<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2020v4.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2021-11-15T14:53:02-06:00</ReturnTs>
    <TaxPeriodEndDt>2020-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>042943536</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Tonneson &amp; Company PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>401 Edgewater Place Suite 300</AddressLine1Txt>
        <CityNm>Wakefield</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>018806208</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2020-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>046001677</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Appalachian Mountain Club</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>APPA</BusinessNameControlTxt>
      <PhoneNum>6175230636</PhoneNum>
      <USAddress>
        <AddressLine1Txt>10 City Square</AddressLine1Txt>
        <CityNm>Boston</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02129</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Charles W Johnston Jr</PersonNm>
      <PersonTitleTxt>CFO</PersonTitleTxt>
      <PhoneNum>6175230655</PhoneNum>
      <SignatureDt>2021-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>Charles</PersonFirstNm>
        <PersonLastNm>Johnston Jr</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Heidi E MacLean</PreparerPersonNm>
      <PTIN>P00840184</PTIN>
      <PhoneNum>7812459999</PhoneNum>
      <PreparationDt>2021-11-15</PreparationDt>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>2</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2020</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="9">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>Charles W Johnston Jr</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>10 City Square</AddressLine1Txt>
        <CityNm>Boston</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02129</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>24168171</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>www.outdoors.org</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1876</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>AMC is dedicated to the protection, enjoyment, and understanding of the outdoors.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>24</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>23</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>479</TotalEmployeeCnt>
      <TotalVolunteersCnt>5000</TotalVolunteersCnt>
      <TotalGrossUBIAmt>13455</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>8209</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>16329863</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>13519883</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>16291660</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>4723497</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>1857990</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>3531590</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>945425</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>999161</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>35424938</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>22774131</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>17937778</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>15063592</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>2021758</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>14059203</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>10888218</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>31996981</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>25951810</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>3427957</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-3177679</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>176694904</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>187970227</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>18312840</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>18488226</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>158382064</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>169482001</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>Since 1876, the Appalachian Mountain Club has promoted the protection, enjoyment, and understanding of the mountains, forests, waters, and trails of the Appalachian region. We are the nation's oldest outdoor recreation and conservation organization.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>9365866</ExpenseAmt>
      <RevenueAmt>3467960</RevenueAmt>
      <Desc>Outdoor Program Centers - The Appalachian Mountain Club (the AMC) manages more than 40 outdoor program centers and backcountry facilities, including lodges, mountain huts, full-service camps, cabins, shelters and campgrounds. These AMC facilities serve as a base for 4-season recreational activities, nature and environmental education courses, programs, scientific research, outdoor artistic pursuits, and other conservation-related activities. Visitors and overnight guests enjoy a broad range of walk-on programs, guided naturalist activities, outdoor recreational safety and skill building workshops, and backcountry activities to choose from. AMC facilities *Refer to Schedule O, Page 42 for Continuation*Outdoor Program Centers (Continued):are managed to reduce environmental impact by providing environmentally sensitive septic systems, composting, public drinking water, and overnight accommodations (some near treeline and in sensitive alpine areas) in areas where camping would have severe effects on the alpine plant life. The AMC facilities provide information and education on the local environment, recreational opportunities, outdoor safety, trails, and emergency shelter. The AMC staff also participates in search-and-rescue efforts throughout the White Mountains of NH and other regions. In 2020, the AMC provided 52,165 overnight guest accommodations at its facilities and information and other services to more than 2 million visitors.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>2536347</ExpenseAmt>
        <RevenueAmt>122200</RevenueAmt>
        <Desc>Membership - The Appalachian Mountain Club (the AMC) members provide the grassroots network through which the AMC delivers its programming on a local level throughout our 12 state and district regions. The more than 430,000 members, advocates and supporters of the AMC provide a base of volunteers for trail projects, local clean-up and conservation projects, outdoor education and safety instruction. These members and volunteers organize and lead thousands of recreational outings and provide the local governance structure for the 12 local AMC chapters. Member dues and participation in the above mentioned activities provide a critical base of support for carrying out the AMC mission.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>2667940</ExpenseAmt>
        <RevenueAmt>69674</RevenueAmt>
        <Desc>Conservation Research and Policy - The Appalachian Mountain Club (the AMC) actively fosters the protection, enjoyment and understanding of the outdoors. The AMC's Research and Policy Program conducts analyses of natural ecosystems to guide our efforts to protect natural and recreational resources from Maine to Virginia. This includes studying changes in land cover and land use and the impactof these changes on ecological and recreational resources; monitoring air quality and climate change impacts on Northeastern mountain ecosystems; analyzing in-stream flow criteria and hydroelectric dam operation impacts on river ecosystems and recreational resources; developing methods to reduce recreational user impacts on the region's *Refer to Schedule O, Pages 42-43 for Continuation*Conservation Research and Policy (Continued):mountains and trails; and studying the benefits and impacts of different transportation options and energy sources, including renewable energy, on the ecosystems of concern to the AMC. Achievements are exemplified by the development and successful implementation of the recovery plan for an alpine plant formerly listed on the federal endangered species list, publication of a national award winning "Ecological Atlas of the Upper Androscoggin Watershed", adoption by states of elements of AMC's wind power and solar siting guidelines and AMC's successful citizen science mountain monitoring program, Northeast Alpine Flower Watch and Flower and Fauna of the White Mountain National Forest.The AMC's Research and Policy program also works with conservation partners and local communities to build grassroots support for priority conservation projects. The Research and Policy Program participates in and comments on formal resource management programs and decisions at the local, state, and federal level; consults with industry and land owners to find equitable solutions to environmental problems; advocates for state and federal land protection, clean air, climate and energy policies, and trails funding, and facilitates member and public participation in local, state and federal environmental issues and policy. AMC's strategy for land conservation in the 100-Mile Wilderness region in Maine includes addressing regional ecological and economic needs through outdoor recreation, resource protection, sustainable forestry and community partnerships.</Desc>
      </ProgSrvcAccomActy3Grp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>6640894</ExpenseAmt>
        <RevenueAmt>1150473</RevenueAmt>
        <Desc>1. Education Program - In a typical year, the Appalachian Mountain Club (the AMC) works with approximately 80,000 young people each year through guided and self-guided programs designed to make the outdoors and the environment accessible and meaningful to people from all socioeconomic backgrounds. Due to COVID-19 this number was significantly reduced in 2020. Our programs serve participants from Maine to New Jersey and include day and overnight school programs (grades K-12), walk-on activities offered to families coming through the AMC's huts and lodges, weekend long skill-based trainings, to one to three-week outdoor summer adventures. Across programs, hands-on experiences teach participants how to enjoy the outdoors through skills-building and improved understanding of the natural world as well as how to minimize their impact on the environment. The AMC is also a national provider of Master Educator training in Leave No Trace principles. 2. Trails Program - The AMC staff and more than 4,000 volunteers are engaged in on-the-ground recreation management and trail maintenance on 1,823 miles of trails, including more than 300 miles of the Appalachian National Scenic Trail in five states. Many of these trails are on public lands, including the White Mountain National Forest, Delaware Water Gap National Recreation Area, Acadia National Park, and state parks throughout the region. The AMC offers a broad range of trail volunteer opportunities, including an adopt-a-trail program, teen trail crew programs, and volunteer vacations for adults interested in giving back through trail stewardship, amoung others. 3. Publications/Communications - The AMC encourages safe and responsible outdoor recreation and environmental stewardship through a variety of publications, including our quarterly AMC Outdoors magazine, which concluded in June 2020 and was replaced by the Outdoors Bulletin, semi-annual Appalachia journal (the nation's longest running journal on mountaineering and conservation), and numerous retail books, maps, and field guides. Each publication stresses safety and stewardship and encourages volunteerism. Our website (www.outdoors.org) serves as an online resource for members and non-members seeking the latest information on outdoor adventures, lodging and program opportunities, backcountry conditions, volunteer opportunities, and outdoors skill-building.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <TotalOtherProgSrvcExpenseAmt>6640894</TotalOtherProgSrvcExpenseAmt>
      <TotalOtherProgSrvcRevenueAmt>1150473</TotalOtherProgSrvcRevenueAmt>
      <TotalProgramServiceExpensesAmt>21211047</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039500001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039500001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039500001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">1</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>1</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">1</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd referenceDocumentId="RetDoc1042900001">1</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd referenceDocumentId="RetDoc1042900001">0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">1</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>1</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd referenceDocumentId="RetDoc1043400001">1</TransactionWithControlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>160</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>479</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>1</QuidProQuoContributionsInd>
      <QuidProQuoContriDisclInd>1</QuidProQuoContriDisclInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>24</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>23</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>1</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>1</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>CT</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>ME</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>MD</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NH</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NJ</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>PA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>RI</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>VA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>VT</StatesWhereCopyOfReturnIsFldCd>
      <OwnWebsiteInd>X</OwnWebsiteInd>
      <OtherWebsiteInd>X</OtherWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>Charles W Johnston Jr</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6173916624</PhoneNum>
        <USAddress>
          <AddressLine1Txt>10 City Square</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Elizabeth Ehrenfeld</PersonNm>
        <TitleTxt>Chair</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yvette Austin Smith</PersonNm>
        <TitleTxt>Vice Chair</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ann Lesk</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lois Rothenberger</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Greg Agran</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Charles Arsenault</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>William Burgess</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Cindy Butts</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Birgitta Dickerson</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael Feldberg</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Laurie Gabriel</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Scott Livingston</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kathleen McCarragher</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>P Andrews McLane</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Mullens</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Elizabeth Munro</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Joe Princi</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Rachel Rowe</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen Rushmore</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Samarjit Shankar</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen Smith</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Bill Tyree</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Marty Wallace</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Judge</PersonNm>
        <TitleTxt>President &amp; Chief Executive Officer</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>332537</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22560</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jennifer Norris</PersonNm>
        <TitleTxt>VP &amp; Chief Development Officer</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>182904</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>7479</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Charles W Johnston Jr</PersonNm>
        <TitleTxt>VP &amp; Chief Financial Officer</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>168010</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>20853</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Paul Cunha</PersonNm>
        <TitleTxt>VP Outdoor Program Centers</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>157409</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21564</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan Arnold</PersonNm>
        <TitleTxt>VP for Conservation</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>145405</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11529</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Rebecca Rollins</PersonNm>
        <TitleTxt>VP &amp; Chief Comm. &amp; Marketing Officer</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>128266</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9218</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Walter Graff</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>74076</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>6481</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gary Gresh</PersonNm>
        <TitleTxt>Director of Major Gifts</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>132114</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22431</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Kelly</PersonNm>
        <TitleTxt>Lead Web Developer/Architect</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>136755</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>15682</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Margaret McNamara</PersonNm>
        <TitleTxt>Dir. of Corp. &amp; Foundation Relations</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>125035</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17716</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Carolyn Whipple Fraser</PersonNm>
        <TitleTxt>Major Gifts Officer</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>118472</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16119</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Heather Clish</PersonNm>
        <TitleTxt>Dir. of Conserv. &amp; Recreation Policy</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>117265</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9573</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1818248</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>181205</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>19</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Federal Direct</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>95 Main Avenue</AddressLine1Txt>
            <CityNm>Clifton</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>07014</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Printing/Outside Mailing Service</ServicesDesc>
        <CompensationAmt>472002</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Building Operations LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>434 Mammoth Road</AddressLine1Txt>
            <CityNm>Pelham</CityNm>
            <StateAbbreviationCd>NH</StateAbbreviationCd>
            <ZIPCd>03076</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction, Property Management</ServicesDesc>
        <CompensationAmt>220648</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Cambridge Associates LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 83232</AddressLine1Txt>
            <CityNm>Chicago</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60691</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Investment Management</ServicesDesc>
        <CompensationAmt>207250</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>William W London &amp; Sons Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>50 High Street PO Box 36</AddressLine1Txt>
            <CityNm>Milo</CityNm>
            <StateAbbreviationCd>ME</StateAbbreviationCd>
            <ZIPCd>04463</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction</ServicesDesc>
        <CompensationAmt>182835</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Gupta Media Holdings LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>200 Berkeley Street 7th Floor</AddressLine1Txt>
            <CityNm>Boston</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02116</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Marketing</ServicesDesc>
        <CompensationAmt>139048</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>10</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>2513102</MembershipDuesAmt>
      <GovernmentGrantsAmt>1687186</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>9319595</AllOtherContributionsAmt>
      <NoncashContributionsAmt>594750</NoncashContributionsAmt>
      <TotalContributionsAmt>13519883</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Outdoor Program Centers</Desc>
        <BusinessCd>721000</BusinessCd>
        <TotalRevenueColumnAmt>3467960</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3467960</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Trails</Desc>
        <BusinessCd>713990</BusinessCd>
        <TotalRevenueColumnAmt>170330</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>170330</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Education</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>136540</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>136540</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Membership</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>122200</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>122200</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Advertising</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>4246</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>4246</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>822221</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>822221</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>4723497</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>3531590</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>9209</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>3522381</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>718115</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>718186</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-71</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-71</TotalRevenueColumnAmt>
        <ExclusionAmt>-71</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossSalesOfInventoryAmt>1584030</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>675854</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>908176</TotalRevenueColumnAmt>
        <ExclusionAmt>908176</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>Insurance Proceeds</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>91056</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>91056</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>91056</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>22774131</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4810307</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>13455</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>4430486</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1295756</TotalAmt>
        <ProgramServicesAmt>477299</ProgramServicesAmt>
        <ManagementAndGeneralAmt>628074</ManagementAndGeneralAmt>
        <FundraisingAmt>190383</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>10738900</TotalAmt>
        <ProgramServicesAmt>9355182</ProgramServicesAmt>
        <ManagementAndGeneralAmt>510827</ManagementAndGeneralAmt>
        <FundraisingAmt>872891</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>520783</TotalAmt>
        <ProgramServicesAmt>416627</ProgramServicesAmt>
        <ManagementAndGeneralAmt>52078</ManagementAndGeneralAmt>
        <FundraisingAmt>52078</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>1602252</TotalAmt>
        <ProgramServicesAmt>1279718</ProgramServicesAmt>
        <ManagementAndGeneralAmt>165924</ManagementAndGeneralAmt>
        <FundraisingAmt>156610</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>905901</TotalAmt>
        <ProgramServicesAmt>624597</ProgramServicesAmt>
        <ManagementAndGeneralAmt>207826</ManagementAndGeneralAmt>
        <FundraisingAmt>73478</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>36146</TotalAmt>
        <ProgramServicesAmt>11590</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24556</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>81835</TotalAmt>
        <ManagementAndGeneralAmt>81835</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>893828</TotalAmt>
        <ProgramServicesAmt>458198</ProgramServicesAmt>
        <ManagementAndGeneralAmt>358289</ManagementAndGeneralAmt>
        <FundraisingAmt>77341</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>136930</TotalAmt>
        <ProgramServicesAmt>127973</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5125</ManagementAndGeneralAmt>
        <FundraisingAmt>3832</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1438148</TotalAmt>
        <ProgramServicesAmt>1217805</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11823</ManagementAndGeneralAmt>
        <FundraisingAmt>208520</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>505315</TotalAmt>
        <ProgramServicesAmt>313666</ProgramServicesAmt>
        <ManagementAndGeneralAmt>81220</ManagementAndGeneralAmt>
        <FundraisingAmt>110429</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>801492</TotalAmt>
        <ProgramServicesAmt>787362</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13931</ManagementAndGeneralAmt>
        <FundraisingAmt>199</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>89743</TotalAmt>
        <ProgramServicesAmt>75578</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5079</ManagementAndGeneralAmt>
        <FundraisingAmt>9086</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>131640</TotalAmt>
        <ProgramServicesAmt>70401</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10254</ManagementAndGeneralAmt>
        <FundraisingAmt>50985</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>126118</TotalAmt>
        <ProgramServicesAmt>126118</ProgramServicesAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>2499310</TotalAmt>
        <ProgramServicesAmt>2118711</ProgramServicesAmt>
        <ManagementAndGeneralAmt>347742</ManagementAndGeneralAmt>
        <FundraisingAmt>32857</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>574531</TotalAmt>
        <ProgramServicesAmt>480041</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58074</ManagementAndGeneralAmt>
        <FundraisingAmt>36416</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Repairs &amp; Maintenance</Desc>
        <TotalAmt>645146</TotalAmt>
        <ProgramServicesAmt>644817</ProgramServicesAmt>
        <ManagementAndGeneralAmt>329</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Program &amp; Volnt Support</Desc>
        <TotalAmt>601030</TotalAmt>
        <ProgramServicesAmt>601030</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Food &amp; Bev. Supplies</Desc>
        <TotalAmt>520775</TotalAmt>
        <ProgramServicesAmt>520775</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Printing &amp; Publications</Desc>
        <TotalAmt>395729</TotalAmt>
        <ProgramServicesAmt>270650</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2146</ManagementAndGeneralAmt>
        <FundraisingAmt>122933</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>1410502</TotalAmt>
        <ProgramServicesAmt>1232909</ProgramServicesAmt>
        <ManagementAndGeneralAmt>153873</ManagementAndGeneralAmt>
        <FundraisingAmt>23720</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>25951810</TotalAmt>
        <ProgramServicesAmt>21211047</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2719005</ManagementAndGeneralAmt>
        <FundraisingAmt>2021758</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>5029699</BOYAmt>
        <EOYAmt>5583797</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>8497657</BOYAmt>
        <EOYAmt>7649179</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>3812246</BOYAmt>
        <EOYAmt>2940092</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>662496</BOYAmt>
        <EOYAmt>453082</EOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>8660730</BOYAmt>
        <EOYAmt>8660730</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>884869</BOYAmt>
        <EOYAmt>794516</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>10480604</BOYAmt>
        <EOYAmt>13041280</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>92880957</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>27864378</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>66076708</BOYAmt>
        <EOYAmt>65016579</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>49616588</BOYAmt>
        <EOYAmt>55559023</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>22973307</BOYAmt>
        <EOYAmt>28271949</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <TotalAssetsGrp>
        <BOYAmt>176694904</BOYAmt>
        <EOYAmt>187970227</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1956567</BOYAmt>
        <EOYAmt>1951019</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>3988368</BOYAmt>
        <EOYAmt>4084794</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>12367905</BOYAmt>
        <EOYAmt>12452413</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>18312840</BOYAmt>
        <EOYAmt>18488226</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>131565755</BOYAmt>
        <EOYAmt>142467155</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>26816309</BOYAmt>
        <EOYAmt>27014846</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>158382064</BOYAmt>
        <EOYAmt>169482001</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>176694904</BOYAmt>
        <EOYAmt>187970227</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-3177679</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>10996016</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>3281600</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>15246890</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>13976519</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>22237776</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>16329863</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>13519883</CurrentTaxYearAmt>
        <TotalAmt>81310931</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>15246890</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>13976519</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>22237776</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>16329863</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>13519883</CurrentTaxYearAmt>
        <TotalAmt>81310931</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>8371318</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>72939613</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>964045</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3709722</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5804597</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2628579</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4249705</CurrentTaxYearAmt>
        <TotalAmt>17356648</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>98667579</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>66318025</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.73920</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.75520</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039500001">
      <PoliticalExpendituresAmt>0</PoliticalExpendituresAmt>
      <VolunteerHoursCnt>0</VolunteerHoursCnt>
      <Section4955OrganizationTaxAmt>0</Section4955OrganizationTaxAmt>
      <Section4955ManagersTaxAmt>0</Section4955ManagersTaxAmt>
      <TotalGrassrootsLobbyingGrp>
        <FilingOrganizationsTotalAmt>118335</FilingOrganizationsTotalAmt>
      </TotalGrassrootsLobbyingGrp>
      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>49220</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>167555</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>25784255</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>25951810</FilingOrganizationsTotalAmt>
      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>1000000</FilingOrganizationsTotalAmt>
      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
        <FilingOrganizationsTotalAmt>250000</FilingOrganizationsTotalAmt>
      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyExpendMnsLbbyngNonTxGrp>
      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>1000000</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>1000000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>1000000</CurrentYearMinus1Amt>
        <CurrentYearAmt>1000000</CurrentYearAmt>
        <TotalAmt>4000000</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>6000000</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>164360</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>208437</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>201529</CurrentYearMinus1Amt>
        <CurrentYearAmt>167555</CurrentYearAmt>
        <TotalAmt>741881</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>250000</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>250000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>250000</CurrentYearMinus1Amt>
        <CurrentYearAmt>250000</CurrentYearAmt>
        <TotalAmt>1000000</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>1500000</GrassrootsCeilingAmt>
      <AvgGrassrootsLobbyingExpendGrp>
        <CurrentYearMinus3Amt>101895</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>128617</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>133265</CurrentYearMinus1Amt>
        <CurrentYearAmt>118335</CurrentYearAmt>
        <TotalAmt>482112</TotalAmt>
      </AvgGrassrootsLobbyingExpendGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I-A, Line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization has not participated in any political campaign activity, either directly or indirectly.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <AgentTrusteeEtcInd>0</AgentTrusteeEtcInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>69704619</BeginningYearBalanceAmt>
        <ContributionsAmt>62675</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>13390310</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2914522</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>208500</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>80034582</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>60863607</BeginningYearBalanceAmt>
        <ContributionsAmt>57243</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>11812805</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2843036</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>186000</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>69704619</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>66433031</BeginningYearBalanceAmt>
        <ContributionsAmt>-58924</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-2621543</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2715794</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>173163</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>60863607</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>59789063</BeginningYearBalanceAmt>
        <ContributionsAmt>405080</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>9018727</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2628589</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>151250</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>66433031</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>58418226</BeginningYearBalanceAmt>
        <ContributionsAmt>369825</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>3711515</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2555503</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>155000</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>59789063</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.75997</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.04901</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.19102</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>1</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>26681594</OtherCostOrOtherBasisAmt>
        <BookValueAmt>26681594</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>55995243</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>22132258</DepreciationAmt>
        <BookValueAmt>33862985</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>7679217</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5202243</DepreciationAmt>
        <BookValueAmt>2476974</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>2524903</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>529877</DepreciationAmt>
        <BookValueAmt>1995026</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>65016579</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>Private Partnerships</Desc>
        <BookValueAmt>27519296</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Split Interest Agreements</Desc>
        <BookValueAmt>752653</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>28271949</TotalBookValueSecuritiesAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>38545787</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>10996016</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>3381600</OtherRevenueAmt>
      <RevenueNotReportedAmt>14377616</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>24168171</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-1394040</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-1394040</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>22774131</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>27306340</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>1494040</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>1494040</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>25812300</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>139510</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>139510</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>25951810</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a:</FormAndLineReferenceDesc>
        <ExplanationTxt>AMC Library &amp; Archive Collection: Collection items are primary and secondary source documents, institutional records, and artifacts related to the historical programs of the AMC, which are catalogued and preserved for educational and research purposes. No collection items were capitalized as of December 31, 2020 and 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The AMC Library &amp; Archives have been an integral part of the AMC since the AMC's founding year. They anchor a remarkable landscape in which the past lies alongside the present and future of the AMC and the Northeast outdoors. The Library's collection consists of over 2,500 monograph and serial titles. It represents one of the most extensive outdoor recreation book collections in the Northeast and counts among its holdings works on the history of mountaineering, early climbing expeditions, and early explorations. The book collection also contains a vast amount of background information on environmental issues and outdoor activities. At the center of the historical book collection is the Kilbourne Collection of over 500 books on the White Mountains of New Hampshire. Other mountain areas of the Northeast are also well documented. The library has no less than 22 titles on Mount Katahdin alone! The Archive's collection consists of meeting minutes, annual reports, AMC bulletins and journals, scrapbooks, climbing journals, manuscripts, summit registers, photographic works, films, memorabilia, and maps. Logbooks that are no longer sound enough to reside in the AMC's historic White Mountain huts can be found here, recording the thoughts and feelings of mountain travelers from decades past. The Archives are particularly rich in visual images, with well over 20,000 images covering the 1870's to the present. The library owns an extensive collection of lantern slides documenting the AMC's early history, and hundreds of postcards and stereograph cards with views of the mountains of the Northeast. The Frederick Endicott and Ralph C. Larrabee photo collections contain hundreds of photographs by these two local photographers of the White Mountains and Adirondacks taken between 1895 and 1935. The historic map collection consists of cartographer Edward G. Chamberlain's detailed maps and itineraries documenting the AMC outings from 1876 to 1935. Other maps include contemporary and historic maps of the Northeast, and those published in conjunction with our many guidebooks. The Library &amp; Archives are strongly linked to the AMC's mission. They help to build awareness of the AMC using the club's images and information in a wide range of publications, educational programming, and display materials. The Library &amp; Archives support all departments in their historical documentation needs from preserving their departmental records to providing materials for AMC's magazine, journal, website, marketing campaigns, development efforts, programming, lodging, and the like. The long history of the organization that is housed by the Library &amp; Archives lends credibility and understanding to the Club's current organization and its initiatives.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The purpose of the AMC's endowment funds is to serve as a perpetual source of financial support for the Club's programs and activities. The financial goal of these funds is to preserve their purchasing power by investing in a diverse portfolio of equity and fixed income securities while, at the same time, providing a reasonable level of annual cash flow to the Club. Permanently restricted endowment funds are subject to donor stipulations requiring such gifts be invested in perpetuity and only the income earned on the invested gifts can be expended. Use of term endowments proceeds are limited to either specific program activities or designated periods of time as stipulated by the donor. Board designated endowment funds, commonly known as unrestricted endowments, can only be expended pursuant to approval of AMC's Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>In determining recognition of uncertain tax positions, the AMC recognizes the financial statement impact of a tax position when it is more likely than not that the position will be sustained upon examination by a taxing authority. As of December 31, 2020, the AMC has no uncertain tax positions that qualify for either recognition or disclosure in the consolidated financial statements.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Unemployment Forgiveness 100,000. PPP Loan Forgiveness 3,281,600.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Cost of Merchandise Sold -675,854. Rental Expenses -718,186.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Cost of Merchandise Sold 675,854. Rental Expenses 718,186. Unemployment Forgiveness 100,000.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Huber Depreciation and Depletion 139,510.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>1</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Judge</PersonNm>
        <TitleTxt>President &amp; Chief Executive Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>327731</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>4806</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22560</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>355097</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jennifer Norris</PersonNm>
        <TitleTxt>VP &amp; Chief Development Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>182294</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>610</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7299</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>180</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>190383</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Charles W Johnston Jr</PersonNm>
        <TitleTxt>VP &amp; Chief Financial Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>166959</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1051</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>13776</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>7077</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>188863</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Paul Cunha</PersonNm>
        <TitleTxt>VP Outdoor Program Centers</TitleTxt>
        <BaseCompensationFilingOrgAmt>155935</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1474</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>12733</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8831</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>178973</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Susan Arnold</PersonNm>
        <TitleTxt>VP for Conservation</TitleTxt>
        <BaseCompensationFilingOrgAmt>144108</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1297</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11529</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>156934</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Gary Gresh</PersonNm>
        <TitleTxt>Director of Major Gifts</TitleTxt>
        <BaseCompensationFilingOrgAmt>131312</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>802</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8309</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>14122</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>154545</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Kelly</PersonNm>
        <TitleTxt>Lead Web Developer/Architect</TitleTxt>
        <BaseCompensationFilingOrgAmt>136588</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>167</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>4617</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11065</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>152437</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 4a</FormAndLineReferenceDesc>
        <ExplanationTxt>Rebecca Rollins - $35,200 severance package, included in reportable compensation per 990 Part VII, Section A, Line 1a. John Kelly - $24,660 severance package, included in reportable compensation per 990 Part VII, Section A, Line 1a.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>76</ContributionCnt>
        <NoncashContributionsRptF990Amt>594750</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Avg of high &amp; low price</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AMC has approximately 90,000 members, primarily in the Northeast.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The members elected the Board of Directors at the AMC Annual Meeting held on January 24, 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Decisions of the Board subject to approval by members include annual elections of individuals to the Board, and changes to the Bylaws.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A special committee comprised of the AMC Board Chair and AMC Finance Committee Chair plus AMC's Chief Financial Officer and President is responsible for overseeing the preparation of IRS Form 990 (990). The 990 and its supporting schedules was prepared by the public accounting firm, Tonneson + Co (Tonneson), responsible for auditing the AMC's financial statements. Tonneson's work was based on information provided to them during the course of the audit by AMC's Finance Department staff, plus additional work requested specific to the 990. The special committee performed a detailed review of the completed 990 and reported the results of its review to the Board of Directors. Subsequent to this review, each member of AMC's Board of Directors received a copy of the 990 prior to filing the form with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Pursuant to the AMC's Bylaws, each Board of Director is responsible for disclosing any possible conflict of interest at the earliest practicable time. Additionally, each board member receives a "Conflict of Interest Disclosure Statement and is requested to disclose any potential conflicts of interest on an annual basis.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Directors has appointed a Compensation Committee comprised of the Board Chair, its Secretary, its Treasurer, Vice-Chair, one member of the Audit Committee and one member appointed by the Chair. The Board Chair will chair the committee and non-board members may be asked to join this committee. The Compensation Committee meets annually and is responsible for reviewing and making recommendations to the Board on the compensation of AMC officers, such as the President, key employees and specific highly compensated employees. As part of its review, the Compensation Committee evaluates various criteria including, but not limited to, the organization's goals and objectives, the performance of the staff, and comparative third-party compensation data.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AMC makes its governing documents, conflict of interest policy, financial statements and Form 990 available to the public upon request. Also, the Form 990 and financial statements are available through the Massachusetts Attorney General's office/website and Guidestar. In addition, AMC's audited financial statements and Form 990 are available on our website, www.outdoors.org.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Conditional Grant 3,281,600.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>AMC has an Audit Committee of not less than three Directors appointed by the Board of Directors. No officer, including the President, shall be eligible to serve on the Audit Committee. The Audit Committee may appoint advisory members to participate in its activites, in addition to director members of the committee. These members shall not be entitled to vote on any matters voted upon by the committee and no officer or employee of AMC may serve as an advisor member. The Audit Committee is charged with annually recommending the designation of an independent auditor to certify an audited set of financial statements of AMC to the Board of Directors; meeting with the auditors and any officers, employees or committee members they require to report on and respond to any questions they have on the financial conditions or operations of AMC; and periodically assessing the financial controls and accounting system of AMC and recommending any changes deemed appropriate.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule R, Parts I(B) and III(B), Primary Activity</FormAndLineReferenceDesc>
        <ExplanationTxt>for AMC Maine Woods Funding, LLC (MWF), AMC Maine Woods Initiative, LLC (MW Initiative) and AMC Ore Mountain, LLC (ORE): AMC Maine Woods Funding, LLC (MWF) and AMC Maine Woods Initiative, LLC (MW Initiative) are related organizations created and controlled by the AMC to secure long-term financing to carry out the AMC's Maine Woods Initiative program. The Maine Woods Initiative is the AMC's strategy for land conservation in the 100-Mile Wilderness region in Maine - addressing regional ecological and economic needs through outdoor recreation, resource protection, sustainable forestry and community partnerships. In August 2015, AMC Maine Woods Initiative, LLC, a wholly owned subsidiary of the AMC and a disregarded entity for tax purposes, was formed for the purpose of facilitating a $12.6 million financing structured under the New Markets Tax Credit ("NMTC") program of the U.S. Treasury Department. In conjunction with the NMTC financings, which occurred in September and October 2015, the assets of AMC Maine Woods, Inc. and AMC Maine Woods II, LLC, were transferred to AMC Maine Woods Initiative, LLC, and these entities were dissolved in December 2015. A note receivable was created as part of the financing structured under the New Markets Tax Credit ("NMTC") program of the U.S. Treasury Department and will be paid concurrent with the settlement of the corresponding loans payable mentioned below. In connection with these notes, AMC and an outside organization made contributions to AMC Maine Woods Funding, LLC, treated as a partnership under tax law, resulting in a 5% minority ownership by the outside organization. The above referenced loans payable are also part of a financing structure under the NMTC program of the U.S. Treasury Department. Loan proceeds are to be used for specified project expenses in Piscataquis County, Maine by the AMC's wholly owned subsidiary AMC Maine Woods Initiative, LLC. The loans are secured by certain assets. The loan and related agreements specify debt forgiveness provisions at maturity, and require the AMC to comply with certain covenants. In conjunction with the Loans Payable, single purpose lending entities were established by the lenders whose sole activities are the loans to the AMC Maine Woods Initiative, LLC. The AMC has entered into a put and call agreement with the lenders whereby the AMC may acquire the lending entities from the bank in 2022 or thereafter. It is expected that the AMC will acquire the entities in 2022 and will repay all amounts outstanding, less debt forgiveness amounts, at that time. AMC Ore Mountain, LLC is a related organization, created and controlled by the AMC, which was formed in January 2019 to acquire and hold 66 acres of undeveloped real property in Piscataquis County Maine on Ore Mountain Road. The transaction was completed in February 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMC Maine Woods Initiative LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>10 City Square</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>474706933</EIN>
        <PrimaryActivitiesTxt>See Schedule O, Pages 47-49 for AMC MW Initiative, LLC's primary activities.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ME</LegalDomicileStateCd>
        <TotalIncomeAmt>2440444</TotalIncomeAmt>
        <EndOfYearAssetsAmt>34582803</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Appalachian Mountain Club</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMC Ore Mountain LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>10 City Square</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>833441823</EIN>
        <PrimaryActivitiesTxt>See Schedule O, Pages 47-49 for AMC Ore Mountain, LLC's primary activities.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ME</LegalDomicileStateCd>
        <TotalIncomeAmt>0</TotalIncomeAmt>
        <EndOfYearAssetsAmt>46000</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Appalachian Mountain Club</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>AMC MW Funding LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>10 City Square</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>271413785</EIN>
        <PrimaryActivitiesTxt>See Schedule O, Pgs 47-49 for its primary activities.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ME</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Appalachian Mountain Club</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <PredominantIncomeTypeTxt>Investment</PredominantIncomeTypeTxt>
        <ShareOfTotalIncomeAmt>119237</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>8381157</ShareOfEOYAssetsAmt>
        <DisproportionateAllocationsInd>1</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
        <OwnershipPct>0.95000</OwnershipPct>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>KI-Jo Mary Inc</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO Box 425</AddressLine1Txt>
          <CityNm>Ashland</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04732</ZIPCd>
        </USAddress>
        <EIN>010437627</EIN>
        <PrimaryActivitiesTxt>Manage recreational use of timberlands owned by stockholders</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ME</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>None</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>16559</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>32454</ShareOfEOYAssetsAmt>
        <OwnershipPct>0.22200</OwnershipPct>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AMC Maine Woods Initiative LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>2440444</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
