﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2011v1.5">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2013-01-10T13:11:47-06:00</Timestamp>
    <TaxPeriodEndDate>2012-09-30</TaxPeriodEndDate>
    <PreparerFirm>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>CIVALE SILVESTRI ALFIERI MARTIN &amp; HIGGIN</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>1540 KUSER ROAD SUITE A4</AddressLine1>
        <City>MERCERVILLE</City>
        <State>NJ</State>
        <ZIPCode>086193828</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2011-10-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>222872771</EIN>
      <Name>
        <BusinessNameLine1>MOUNTAIN LAKES HOLDING CORP</BusinessNameLine1>
      </Name>
      <NameControl>MOUN</NameControl>
      <Phone>6099248720</Phone>
      <USAddress>
        <AddressLine1>57 MOUNTAIN AVENUE</AddressLine1>
        <City>PRINCETON</City>
        <State>NJ</State>
        <ZIPCode>085402611</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>EDWARD D THOMAS</Name>
      <Title>TREASURER</Title>
      <Phone>6099248720</Phone>
      <DateSigned>2012-12-13</DateSigned>
      <AuthorizeThirdParty>true</AuthorizeThirdParty>
    </Officer>
    <Preparer>
      <Name>PETER S MARTIN CPA</Name>
      <Phone>6095810300</Phone>
      <DatePrepared>2013-01-09</DatePrepared>
    </Preparer>
    <TaxYear>2011</TaxYear>
    <BuildTS>2016-02-25 16:41:14Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="3">
    <IRS990 documentId="RetDoc3" referenceDocumentId="RetDoc4">
      <GrossReceipts>117484</GrossReceipts>
      <GroupReturnForAffiliates>false</GroupReturnForAffiliates>
      <Organization501c typeOf501cOrganization="2">X</Organization501c>
      <WebSite>WWW.MOUNTAINLAKESHOUSE.ORG</WebSite>
      <TypeOfOrganizationCorporation>X</TypeOfOrganizationCorporation>
      <YearFormation>1988</YearFormation>
      <StateLegalDomicile>NJ</StateLegalDomicile>
      <ActivityOrMissionDescription>OPERATES AND MAINTAINS THE FACILITIES FOR THE BENEFIT OF FRIENDS OF PRINCETON FOR OPEN SPACE, A 501(C)(3).</ActivityOrMissionDescription>
      <NbrVotingMembersGoverningBody>5</NbrVotingMembersGoverningBody>
      <NbrIndependentVotingMembers>5</NbrIndependentVotingMembers>
      <TotalNbrEmployees>1</TotalNbrEmployees>
      <TotalNbrVolunteers>7</TotalNbrVolunteers>
      <TotalGrossUBI>0</TotalGrossUBI>
      <ContributionsGrantsCurrentYear>0</ContributionsGrantsCurrentYear>
      <ProgramServiceRevenuePriorYear>75468</ProgramServiceRevenuePriorYear>
      <ProgramServiceRevenueCY>117484</ProgramServiceRevenueCY>
      <InvestmentIncomeCurrentYear>0</InvestmentIncomeCurrentYear>
      <OtherRevenueCurrentYear>0</OtherRevenueCurrentYear>
      <TotalRevenuePriorYear>75468</TotalRevenuePriorYear>
      <TotalRevenueCurrentYear>117484</TotalRevenueCurrentYear>
      <GrantsAndSimilarAmntsCY>0</GrantsAndSimilarAmntsCY>
      <BenefitsPaidToMembersCY>0</BenefitsPaidToMembersCY>
      <SalariesEtcPriorYear>45082</SalariesEtcPriorYear>
      <SalariesEtcCurrentYear>43477</SalariesEtcCurrentYear>
      <TotalProfFundrsngExpCY>0</TotalProfFundrsngExpCY>
      <TotalFundrsngExpCurrentYear>0</TotalFundrsngExpCurrentYear>
      <OtherExpensePriorYear>55941</OtherExpensePriorYear>
      <OtherExpensesCurrentYear>41114</OtherExpensesCurrentYear>
      <TotalExpensesPriorYear>101023</TotalExpensesPriorYear>
      <TotalExpensesCurrentYear>84591</TotalExpensesCurrentYear>
      <RevenuesLessExpensesPriorYear>-25555</RevenuesLessExpensesPriorYear>
      <RevenuesLessExpensesCY>32893</RevenuesLessExpensesCY>
      <TotalAssetsBOY>44004</TotalAssetsBOY>
      <TotalAssetsEOY>83470</TotalAssetsEOY>
      <TotalLiabilitiesBOY>18394</TotalLiabilitiesBOY>
      <TotalLiabilitiesEOY>24967</TotalLiabilitiesEOY>
      <NetAssetsOrFundBalancesBOY>25610</NetAssetsOrFundBalancesBOY>
      <NetAssetsOrFundBalancesEOY>58503</NetAssetsOrFundBalancesEOY>
      <MissionDescription>OPERATES AND MAINTAINS THE FACILITIES FOR THE BENEFIT OF FRIENDS OF PRINCETON FOR OPEN SPACE, A 501(C)(3).</MissionDescription>
      <SignificantNewProgramServices>false</SignificantNewProgramServices>
      <SignificantChange>false</SignificantChange>
      <Expense>18295</Expense>
      <Description>MAINTENANCE AND MANAGEMENT OF PROPERTY FOR FRIENDS OF PRINCETON OPEN SPACE, A RELATED EXEMPT ORGANIZATION</Description>
      <TotalProgramServiceExpense>18295</TotalProgramServiceExpense>
      <DescribedIn501C3>false</DescribedIn501C3>
      <ScheduleBRequired>false</ScheduleBRequired>
      <PoliticalActivities>false</PoliticalActivities>
      <SubjectToProxyTax>false</SubjectToProxyTax>
      <DonorAdvisedFunds referenceDocumentId="RetDoc2">false</DonorAdvisedFunds>
      <ConservationEasements referenceDocumentId="RetDoc2">false</ConservationEasements>
      <CollectionsOfArt referenceDocumentId="RetDoc2">false</CollectionsOfArt>
      <CreditCounseling referenceDocumentId="RetDoc2">false</CreditCounseling>
      <TermOrPermanentEndowments referenceDocumentId="RetDoc2">false</TermOrPermanentEndowments>
      <ReportLandBldgEquip referenceDocumentId="RetDoc2">true</ReportLandBldgEquip>
      <ReportInvestOthSecurities referenceDocumentId="RetDoc2">false</ReportInvestOthSecurities>
      <ReportProgRelInvest referenceDocumentId="RetDoc2">false</ReportProgRelInvest>
      <ReportOtherAssets referenceDocumentId="RetDoc2">false</ReportOtherAssets>
      <ReportOtherLiabilities referenceDocumentId="RetDoc2">true</ReportOtherLiabilities>
      <ReportFin48Footnote referenceDocumentId="RetDoc2">false</ReportFin48Footnote>
      <IndependentAuditFinancialStmt referenceDocumentId="RetDoc2">false</IndependentAuditFinancialStmt>
      <ConsolidatedAuditFinancialStmt referenceDocumentId="RetDoc2">false</ConsolidatedAuditFinancialStmt>
      <School>false</School>
      <ForeignOffice>false</ForeignOffice>
      <ForeignActivities>false</ForeignActivities>
      <MoreThan5000KToOrganizations>false</MoreThan5000KToOrganizations>
      <MoreThan5000KToIndividuals>false</MoreThan5000KToIndividuals>
      <ProfessionalFundraising>false</ProfessionalFundraising>
      <FundraisingActivities>false</FundraisingActivities>
      <Gaming>false</Gaming>
      <Hospital>false</Hospital>
      <GrantsToOrganizations>false</GrantsToOrganizations>
      <GrantsToIndividuals>false</GrantsToIndividuals>
      <ScheduleJRequired>false</ScheduleJRequired>
      <TaxExemptBonds>false</TaxExemptBonds>
      <LoanToOfficerOrDQP>false</LoanToOfficerOrDQP>
      <GrantToRelatedPerson>false</GrantToRelatedPerson>
      <BsnssRltnshpWithOrganization>false</BsnssRltnshpWithOrganization>
      <BsnssRltnshpThruFamilyMember>false</BsnssRltnshpThruFamilyMember>
      <OfficerEntityWithBsnssRltnshp>false</OfficerEntityWithBsnssRltnshp>
      <DeductibleNonCashContributions>false</DeductibleNonCashContributions>
      <DeductibleContributionsOfArt>false</DeductibleContributionsOfArt>
      <Terminated>false</Terminated>
      <PartialLiquidation>false</PartialLiquidation>
      <DisregardedEntity>false</DisregardedEntity>
      <RelatedEntity>false</RelatedEntity>
      <RelatedOrgControlledEntity>false</RelatedOrgControlledEntity>
      <TransactionRelatedEntity>false</TransactionRelatedEntity>
      <ActivitiesConductedPartnership>false</ActivitiesConductedPartnership>
      <ScheduleORequired>true</ScheduleORequired>
      <NumberFormsTransmittedWith1096>4</NumberFormsTransmittedWith1096>
      <NumberW2GIncluded>0</NumberW2GIncluded>
      <NumberOfEmployees>1</NumberOfEmployees>
      <EmploymentTaxReturnsFiled>true</EmploymentTaxReturnsFiled>
      <UnrelatedBusinessIncome>false</UnrelatedBusinessIncome>
      <ForeignFinancialAccount>false</ForeignFinancialAccount>
      <ProhibitedTaxShelterTrans>false</ProhibitedTaxShelterTrans>
      <TaxablePartyNotification>false</TaxablePartyNotification>
      <NonDeductibleContributions>false</NonDeductibleContributions>
      <QuidProQuoContributions>false</QuidProQuoContributions>
      <Form8282PropertyDisposedOf>false</Form8282PropertyDisposedOf>
      <FundsToPayPremiums>false</FundsToPayPremiums>
      <PremiumsPaid>false</PremiumsPaid>
      <ExcessBusinessHoldings>false</ExcessBusinessHoldings>
      <TaxableDistributions>false</TaxableDistributions>
      <DistributionToDonor>false</DistributionToDonor>
      <IndoorTanningServices>false</IndoorTanningServices>
      <InfoInScheduleOPartVI>X</InfoInScheduleOPartVI>
      <NbrVotingGoverningBodyMembers>5</NbrVotingGoverningBodyMembers>
      <NumberIndependentVotingMembers>5</NumberIndependentVotingMembers>
      <FamilyOrBusinessRelationship>false</FamilyOrBusinessRelationship>
      <DelegationOfManagementDuties>false</DelegationOfManagementDuties>
      <ChangesToOrganizingDocs>false</ChangesToOrganizingDocs>
      <MaterialDiversionOrMisuse>false</MaterialDiversionOrMisuse>
      <MembersOrStockholders>false</MembersOrStockholders>
      <ElectionOfBoardMembers>false</ElectionOfBoardMembers>
      <DecisionsSubjectToApproval>false</DecisionsSubjectToApproval>
      <MinutesOfGoverningBody>true</MinutesOfGoverningBody>
      <MinutesOfCommittees>true</MinutesOfCommittees>
      <OfficerMailingAddress>false</OfficerMailingAddress>
      <LocalChapters>false</LocalChapters>
      <Form990ProvidedToGoverningBody>true</Form990ProvidedToGoverningBody>
      <ConflictOfInterestPolicy>false</ConflictOfInterestPolicy>
      <WhistleblowerPolicy>false</WhistleblowerPolicy>
      <DocumentRetentionPolicy>false</DocumentRetentionPolicy>
      <CompensationProcessCEO>true</CompensationProcessCEO>
      <CompensationProcessOther>true</CompensationProcessOther>
      <InvestmentInJointVenture>false</InvestmentInJointVenture>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NamePerson>SALLY COMERFORD HOUSE ADMINISTRATOR</NamePerson>
        <TelephoneNumber>6099248720</TelephoneNumber>
        <AddressUS>
          <AddressLine1>57 MOUNTAIN AVENUE</AddressLine1>
          <City>PRINCETON</City>
          <State>NJ</State>
          <ZIPCode>08540</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <NoListedPersonsCompensated>X</NoListedPersonsCompensated>
      <Form990PartVIISectionA>
        <NamePerson>WENDY MAGER</NamePerson>
        <Title>BOARD MEMBER</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>CLARK LENNON</NamePerson>
        <Title>BOARD MEMBER</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ARCHIBALD REID</NamePerson>
        <Title>BOARD MEMBER</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>EDWARD D THOMAS</NamePerson>
        <Title>TREASURER</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ERIC TAZELAAR</NamePerson>
        <Title>PRESIDENT</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <FormersListed>false</FormersListed>
      <TotalCompGT150K>false</TotalCompGT150K>
      <CompensationFromOtherSources>false</CompensationFromOtherSources>
      <ProgramServiceRevenue>
        <Description>FACILITIES FEES</Description>
        <TotalRevenueColumn>117484</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>117484</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <TotalProgramServiceRevenue>117484</TotalProgramServiceRevenue>
      <TotalRevenue>
        <TotalRevenueColumn>117484</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>117484</RelatedOrExemptFunctionIncome>
      </TotalRevenue>
      <CompCurrentOfficersDirectors>
        <Total>40000</Total>
      </CompCurrentOfficersDirectors>
      <PayrollTaxes>
        <Total>3477</Total>
      </PayrollTaxes>
      <FeesForServicesAccounting>
        <Total>2750</Total>
      </FeesForServicesAccounting>
      <Advertising>
        <Total>1156</Total>
      </Advertising>
      <OfficeExpenses>
        <Total>329</Total>
      </OfficeExpenses>
      <DepreciationDepletion>
        <Total>4623</Total>
      </DepreciationDepletion>
      <Insurance>
        <Total>2309</Total>
      </Insurance>
      <OtherExpenses>
        <Description>MAINTENANCE &amp; REPAIR</Description>
        <Total>6929</Total>
      </OtherExpenses>
      <OtherExpenses>
        <Description>ELECTRICITY</Description>
        <Total>6607</Total>
      </OtherExpenses>
      <OtherExpenses>
        <Description>WASTE DISPOSAL</Description>
        <Total>3750</Total>
      </OtherExpenses>
      <OtherExpenses>
        <Description>CLEANING EXPENSE</Description>
        <Total>3450</Total>
      </OtherExpenses>
      <AllOtherExpenses>
        <Total>9211</Total>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>84591</Total>
        <ProgramServices>0</ProgramServices>
        <ManagementAndGeneral>0</ManagementAndGeneral>
        <Fundraising>0</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>3894</BOY>
        <EOY>30961</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>1447</BOY>
        <EOY>1447</EOY>
      </SavingsAndTempCashInvestments>
      <LandBuildingsEquipmentBasis>214395</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>163333</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>38663</BOY>
        <EOY>51062</EOY>
      </LandBuildingsEquipmentBasisNet>
      <TotalAssets>
        <BOY>44004</BOY>
        <EOY>83470</EOY>
      </TotalAssets>
      <DeferredRevenue>
        <BOY>17270</BOY>
        <EOY>23865</EOY>
      </DeferredRevenue>
      <OtherLiabilities>
        <BOY>1124</BOY>
        <EOY>1102</EOY>
      </OtherLiabilities>
      <TotalLiabilities>
        <BOY>18394</BOY>
        <EOY>24967</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>25610</BOY>
        <EOY>58503</EOY>
      </UnrestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>25610</BOY>
        <EOY>58503</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>44004</BOY>
        <EOY>83470</EOY>
      </TotalLiabNetAssetsFundBalances>
      <ReconcilationRevenueExpenses>32893</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>true</AccountantCompileOrReview>
      <FSAudited>false</FSAudited>
      <FinancialStatementConsolidated>X</FinancialStatementConsolidated>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc2">
      <DisclosedOrgsLegalControl>false</DisclosedOrgsLegalControl>
      <DisclosedForCharitablePurposes>false</DisclosedForCharitablePurposes>
      <WrittenPolicyMonitoring>false</WrittenPolicyMonitoring>
      <Sect170hRequirementsSatisfied>false</Sect170hRequirementsSatisfied>
      <SolicitedAssetsForSale>false</SolicitedAssetsForSale>
      <AgentTrusteeEtc>false</AgentTrusteeEtc>
      <IncludedOnFS>false</IncludedOnFS>
      <EndowmentsHeldByUnrelatedOrgs>false</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>false</EndowmentsHeldByRelatedOrgs>
      <AreRelatedOrgsListedScheduleR>false</AreRelatedOrgsListedScheduleR>
      <LeaseholdImprovements>
        <OtherCostOrOtherBasis>125416</OtherCostOrOtherBasis>
        <Depreciation>75427</Depreciation>
        <BookValue>49989</BookValue>
      </LeaseholdImprovements>
      <Equipment>
        <OtherCostOrOtherBasis>70321</OtherCostOrOtherBasis>
        <Depreciation>69723</Depreciation>
        <BookValue>598</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>18658</OtherCostOrOtherBasis>
        <Depreciation>18183</Depreciation>
        <BookValue>475</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>51062</TotalOfBookValueLandBuildings>
      <OtherLiabilities>
        <Description>PAYROLL TAXES PAYABLE</Description>
        <Amount>1102</Amount>
      </OtherLiabilities>
      <TotalOfAmounts>1102</TotalOfAmounts>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <GeneralExplanation>
        <Identifier>EXPLANATION ON VOLUNTEERS AND TYPES OF SERVICES OR BENEFITS</Identifier>
        <ReturnReference>FORM 990, PAGE 1, PART I, LINE 6</ReturnReference>
        <Explanation>VOLUNTEERS PROVIDE CARETAKERS SERVICES FOR THE HOUSE AND SERVE OF THE BOARD</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>ORGANIZATION'S PROCESS USED TO REVIEW FORM 990</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 11B</ReturnReference>
        <Explanation>990 IS REVIEWED BY THE BOARD BEFORE SUBMISSION</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>COMPENSATION PROCESS FOR TOP OFFICIAL</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 15A</ReturnReference>
        <Explanation>COMPENSATION IS REVIEWED BY THE GOVERNING BODY</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>COMPENSATION PROCESS FOR OFFICERS</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 15B</ReturnReference>
        <Explanation>COMPENSATION IS REVIEWED BY THE GOVERNING BODY</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>GOVERNING DOCUMENTS DISCLOSURE EXPLANATION</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 19</ReturnReference>
        <Explanation>GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>OTHER EXPENSES</Identifier>
        <ReturnReference>FORM 990, PART IX, LINE 24E</ReturnReference>
        <Explanation>WATER 2,093 HOUSE SUPPLIES 1,857 TELEPHONE 1,563 FUEL OIL 1,139 SECURITY SYSTEM 890 SERVICE-EVENTS ASST 875 LICENSES &amp; FEES 794</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>