3.26.1 html 225 325 1 false 53 0 false 7 false false R1.htm 995300 - Document - Cover Sheet http://highlandersilver.com/20251231/role/Cover Cover Cover 1 false false R2.htm 995301 - Document - Audit Information Sheet http://highlandersilver.com/20251231/role/AuditInformation Audit Information Cover 2 false false R3.htm 995302 - Statement - Consolidated Statements of Financial Position Sheet http://highlandersilver.com/20251231/role/ConsolidatedStatementsofFinancialPosition Consolidated Statements of Financial Position Statements 3 false false R4.htm 995303 - Statement - Consolidated Statements of Net Loss and Comprehensive Loss Sheet http://highlandersilver.com/20251231/role/ConsolidatedStatementsofNetLossandComprehensiveLoss Consolidated Statements of Net Loss and Comprehensive Loss Statements 4 false false R5.htm 995304 - Statement - Consolidated Statement of Cash Flows Sheet http://highlandersilver.com/20251231/role/ConsolidatedStatementofCashFlows Consolidated Statement of Cash Flows Statements 5 false false R6.htm 995305 - Statement - Consolidated Statements of Changes in Equity Sheet http://highlandersilver.com/20251231/role/ConsolidatedStatementsofChangesinEquity Consolidated Statements of Changes in Equity Statements 6 false false R7.htm 995306 - Disclosure - Nature of Operations and Going Concern Sheet http://highlandersilver.com/20251231/role/NatureofOperationsandGoingConcern Nature of Operations and Going Concern Notes 7 false false R8.htm 995307 - Disclosure - Basis of Preparation Sheet http://highlandersilver.com/20251231/role/BasisofPreparation Basis of Preparation Notes 8 false false R9.htm 995308 - Disclosure - Material Accounting Policies Sheet http://highlandersilver.com/20251231/role/MaterialAccountingPolicies Material Accounting Policies Notes 9 false false R10.htm 995309 - Disclosure - Use of Judgements and Estimates Sheet http://highlandersilver.com/20251231/role/UseofJudgementsandEstimates Use of Judgements and Estimates Notes 10 false false R11.htm 995310 - Disclosure - Change in Year End Sheet http://highlandersilver.com/20251231/role/ChangeinYearEnd Change in Year End Notes 11 false false R12.htm 995311 - Disclosure - Voluntary Change in Accounting Policy Sheet http://highlandersilver.com/20251231/role/VoluntaryChangeinAccountingPolicy Voluntary Change in Accounting Policy Notes 12 false false R13.htm 995312 - Disclosure - Mineral Property Interests Sheet http://highlandersilver.com/20251231/role/MineralPropertyInterests Mineral Property Interests Notes 13 false false R14.htm 995313 - Disclosure - Property and Equipment Sheet http://highlandersilver.com/20251231/role/PropertyandEquipment Property and Equipment Notes 14 false false R15.htm 995314 - Disclosure - Reclamation Provision Sheet http://highlandersilver.com/20251231/role/ReclamationProvision Reclamation Provision Notes 15 false false R16.htm 995315 - Disclosure - Share Capital Sheet http://highlandersilver.com/20251231/role/ShareCapital Share Capital Notes 16 false false R17.htm 995316 - Disclosure - Related Party Transactions Sheet http://highlandersilver.com/20251231/role/RelatedPartyTransactions Related Party Transactions Notes 17 false false R18.htm 995317 - Disclosure - Supplemental Cash Flow Information Sheet http://highlandersilver.com/20251231/role/SupplementalCashFlowInformation Supplemental Cash Flow Information Notes 18 false false R19.htm 995318 - Disclosure - Segmented Information Sheet http://highlandersilver.com/20251231/role/SegmentedInformation Segmented Information Notes 19 false false R20.htm 995319 - Disclosure - Exploration Expenditures Sheet http://highlandersilver.com/20251231/role/ExplorationExpenditures Exploration Expenditures Notes 20 false false R21.htm 995320 - Disclosure - General and Administrative Expenditures Sheet http://highlandersilver.com/20251231/role/GeneralandAdministrativeExpenditures General and Administrative Expenditures Notes 21 false false R22.htm 995321 - Disclosure - Write-Off of Receivables Sheet http://highlandersilver.com/20251231/role/WriteOffofReceivables Write-Off of Receivables Notes 22 false false R23.htm 995322 - Disclosure - Income Taxes Sheet http://highlandersilver.com/20251231/role/IncomeTaxes Income Taxes Notes 23 false false R24.htm 995323 - Disclosure - Financial Instrument Risk Exposure and Risk Management Sheet http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagement Financial Instrument Risk Exposure and Risk Management Notes 24 false false R25.htm 995324 - Disclosure - Commitments Sheet http://highlandersilver.com/20251231/role/Commitments Commitments Notes 25 false false R26.htm 995325 - Disclosure - Subsequent Events Sheet http://highlandersilver.com/20251231/role/SubsequentEvents Subsequent Events Notes 26 false false R27.htm 996326 - Disclosure - Material Accounting Policies (Policies) Sheet http://highlandersilver.com/20251231/role/MaterialAccountingPoliciesPolicies Material Accounting Policies (Policies) Policies http://highlandersilver.com/20251231/role/MaterialAccountingPolicies 27 false false R28.htm 996327 - Disclosure - Basis of Preparation (Tables) Sheet http://highlandersilver.com/20251231/role/BasisofPreparationTables Basis of Preparation (Tables) Tables http://highlandersilver.com/20251231/role/BasisofPreparation 28 false false R29.htm 996328 - Disclosure - Voluntary Change in Accounting Policy (Tables) Sheet http://highlandersilver.com/20251231/role/VoluntaryChangeinAccountingPolicyTables Voluntary Change in Accounting Policy (Tables) Tables http://highlandersilver.com/20251231/role/VoluntaryChangeinAccountingPolicy 29 false false R30.htm 996329 - Disclosure - Mineral Property Interests (Tables) Sheet http://highlandersilver.com/20251231/role/MineralPropertyInterestsTables Mineral Property Interests (Tables) Tables http://highlandersilver.com/20251231/role/MineralPropertyInterests 30 false false R31.htm 996330 - Disclosure - Property and Equipment (Tables) Sheet http://highlandersilver.com/20251231/role/PropertyandEquipmentTables Property and Equipment (Tables) Tables http://highlandersilver.com/20251231/role/PropertyandEquipment 31 false false R32.htm 996331 - Disclosure - Reclamation Provision (Tables) Sheet http://highlandersilver.com/20251231/role/ReclamationProvisionTables Reclamation Provision (Tables) Tables http://highlandersilver.com/20251231/role/ReclamationProvision 32 false false R33.htm 996332 - Disclosure - Share Capital (Tables) Sheet http://highlandersilver.com/20251231/role/ShareCapitalTables Share Capital (Tables) Tables http://highlandersilver.com/20251231/role/ShareCapital 33 false false R34.htm 996333 - Disclosure - Related Party Transactions (Tables) Sheet http://highlandersilver.com/20251231/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://highlandersilver.com/20251231/role/RelatedPartyTransactions 34 false false R35.htm 996334 - Disclosure - Supplemental Cash Flow Information (Tables) Sheet http://highlandersilver.com/20251231/role/SupplementalCashFlowInformationTables Supplemental Cash Flow Information (Tables) Tables http://highlandersilver.com/20251231/role/SupplementalCashFlowInformation 35 false false R36.htm 996335 - Disclosure - Segmented Information (Tables) Sheet http://highlandersilver.com/20251231/role/SegmentedInformationTables Segmented Information (Tables) Tables http://highlandersilver.com/20251231/role/SegmentedInformation 36 false false R37.htm 996336 - Disclosure - Exploration Expenditures (Tables) Sheet http://highlandersilver.com/20251231/role/ExplorationExpendituresTables Exploration Expenditures (Tables) Tables http://highlandersilver.com/20251231/role/ExplorationExpenditures 37 false false R38.htm 996337 - Disclosure - General and Administrative Expenditures (Tables) Sheet http://highlandersilver.com/20251231/role/GeneralandAdministrativeExpendituresTables General and Administrative Expenditures (Tables) Tables http://highlandersilver.com/20251231/role/GeneralandAdministrativeExpenditures 38 false false R39.htm 996338 - Disclosure - Income Taxes (Tables) Sheet http://highlandersilver.com/20251231/role/IncomeTaxesTables Income Taxes (Tables) Tables http://highlandersilver.com/20251231/role/IncomeTaxes 39 false false R40.htm 996339 - Disclosure - Financial Instrument Risk Exposure and Risk Management (Tables) Sheet http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagementTables Financial Instrument Risk Exposure and Risk Management (Tables) Tables http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagement 40 false false R41.htm 996340 - Disclosure - Commitments (Tables) Sheet http://highlandersilver.com/20251231/role/CommitmentsTables Commitments (Tables) Tables http://highlandersilver.com/20251231/role/Commitments 41 false false R42.htm 996341 - Disclosure - Nature of Operations and Going Concern (Details) Sheet http://highlandersilver.com/20251231/role/NatureofOperationsandGoingConcernDetails Nature of Operations and Going Concern (Details) Details http://highlandersilver.com/20251231/role/NatureofOperationsandGoingConcern 42 false false R43.htm 996342 - Disclosure - Basis of Preparation - Schedule of Information of Entities Included in Consolidated Financial Statements (Details) Sheet http://highlandersilver.com/20251231/role/BasisofPreparationScheduleofInformationofEntitiesIncludedinConsolidatedFinancialStatementsDetails Basis of Preparation - Schedule of Information of Entities Included in Consolidated Financial Statements (Details) Details 43 false false R44.htm 996343 - Disclosure - Material Accounting Policies (Details) Sheet http://highlandersilver.com/20251231/role/MaterialAccountingPoliciesDetails Material Accounting Policies (Details) Details http://highlandersilver.com/20251231/role/MaterialAccountingPoliciesPolicies 44 false false R45.htm 996344 - Disclosure - Change in Year End (Details) Sheet http://highlandersilver.com/20251231/role/ChangeinYearEndDetails Change in Year End (Details) Details http://highlandersilver.com/20251231/role/ChangeinYearEnd 45 false false R46.htm 996345 - Disclosure - Voluntary Change in Accounting Policy - Schedule of Changes in Consolidated Financial Statements (Details) Sheet http://highlandersilver.com/20251231/role/VoluntaryChangeinAccountingPolicyScheduleofChangesinConsolidatedFinancialStatementsDetails Voluntary Change in Accounting Policy - Schedule of Changes in Consolidated Financial Statements (Details) Details 46 false false R47.htm 996346 - Disclosure - Mineral Property Interests (Details) Sheet http://highlandersilver.com/20251231/role/MineralPropertyInterestsDetails Mineral Property Interests (Details) Details http://highlandersilver.com/20251231/role/MineralPropertyInterestsTables 47 false false R48.htm 996347 - Disclosure - Mineral Property Interests - Schedule of Mineral Property Interests (Details) Sheet http://highlandersilver.com/20251231/role/MineralPropertyInterestsScheduleofMineralPropertyInterestsDetails Mineral Property Interests - Schedule of Mineral Property Interests (Details) Details 48 false false R49.htm 996348 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details) Sheet http://highlandersilver.com/20251231/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails Property and Equipment - Schedule of Property and Equipment (Details) Details 49 false false R50.htm 996349 - Disclosure - Reclamation Provision (Details) Sheet http://highlandersilver.com/20251231/role/ReclamationProvisionDetails Reclamation Provision (Details) Details http://highlandersilver.com/20251231/role/ReclamationProvisionTables 50 false false R51.htm 996350 - Disclosure - Reclamation Provision - Schedule of Reclamation Provision (Details) Sheet http://highlandersilver.com/20251231/role/ReclamationProvisionScheduleofReclamationProvisionDetails Reclamation Provision - Schedule of Reclamation Provision (Details) Details 51 false false R52.htm 996351 - Disclosure - Share Capital (Details) Sheet http://highlandersilver.com/20251231/role/ShareCapitalDetails Share Capital (Details) Details http://highlandersilver.com/20251231/role/ShareCapitalTables 52 false false R53.htm 996352 - Disclosure - Share Capital - Schedule of Option Pricing Model for Options Granted (Details) Sheet http://highlandersilver.com/20251231/role/ShareCapitalScheduleofOptionPricingModelforOptionsGrantedDetails Share Capital - Schedule of Option Pricing Model for Options Granted (Details) Details 53 false false R54.htm 996353 - Disclosure - Share Capital - Schedule of Change in Stock Options (Details) Sheet http://highlandersilver.com/20251231/role/ShareCapitalScheduleofChangeinStockOptionsDetails Share Capital - Schedule of Change in Stock Options (Details) Details 54 false false R55.htm 996354 - Disclosure - Share Capital - Schedule of Outstanding and Exercisable Stock Options (Details) Sheet http://highlandersilver.com/20251231/role/ShareCapitalScheduleofOutstandingandExercisableStockOptionsDetails Share Capital - Schedule of Outstanding and Exercisable Stock Options (Details) Details 55 false false R56.htm 996355 - Disclosure - Share Capital and Reserves - Schedule of Continuity of Company???s Warrants (Details) Sheet http://highlandersilver.com/20251231/role/ShareCapitalandReservesScheduleofContinuityofCompanysWarrantsDetails Share Capital and Reserves - Schedule of Continuity of Company???s Warrants (Details) Details 56 false false R57.htm 996356 - Disclosure - Related Party Transactions (Details) Sheet http://highlandersilver.com/20251231/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) Details http://highlandersilver.com/20251231/role/RelatedPartyTransactionsTables 57 false false R58.htm 996357 - Disclosure - Related Party Transactions - Schedule of Key Management Compensation (Details) Sheet http://highlandersilver.com/20251231/role/RelatedPartyTransactionsScheduleofKeyManagementCompensationDetails Related Party Transactions - Schedule of Key Management Compensation (Details) Details 58 false false R59.htm 996358 - Disclosure - Related Party Transactions - Schedule of Respect to Arrangement (Details) Sheet http://highlandersilver.com/20251231/role/RelatedPartyTransactionsScheduleofRespecttoArrangementDetails Related Party Transactions - Schedule of Respect to Arrangement (Details) Details 59 false false R60.htm 996359 - Disclosure - Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) Sheet http://highlandersilver.com/20251231/role/SupplementalCashFlowInformationScheduleofSupplementalCashFlowInformationDetails Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) Details 60 false false R61.htm 996360 - Disclosure - Segmented Information - Schedule of Non Current Assets by Jurisdiction (Details) Sheet http://highlandersilver.com/20251231/role/SegmentedInformationScheduleofNonCurrentAssetsbyJurisdictionDetails Segmented Information - Schedule of Non Current Assets by Jurisdiction (Details) Details 61 false false R62.htm 996361 - Disclosure - Exploration Expenditures-Schedule of Company???s Exploration Expenditures By Activity (Details) Sheet http://highlandersilver.com/20251231/role/ExplorationExpendituresScheduleofCompanysExplorationExpendituresByActivityDetails Exploration Expenditures-Schedule of Company???s Exploration Expenditures By Activity (Details) Details 62 false false R63.htm 996362 - Disclosure - General and Administrative Expenditures - Schedule of General and Administrative Expenditures (Details) Sheet http://highlandersilver.com/20251231/role/GeneralandAdministrativeExpendituresScheduleofGeneralandAdministrativeExpendituresDetails General and Administrative Expenditures - Schedule of General and Administrative Expenditures (Details) Details 63 false false R64.htm 996363 - Disclosure - Write-Off of Receivables (Details) Sheet http://highlandersilver.com/20251231/role/WriteOffofReceivablesDetails Write-Off of Receivables (Details) Details http://highlandersilver.com/20251231/role/WriteOffofReceivables 64 false false R65.htm 996364 - Disclosure - Income Taxes (Details) Sheet http://highlandersilver.com/20251231/role/IncomeTaxesDetails Income Taxes (Details) Details http://highlandersilver.com/20251231/role/IncomeTaxesTables 65 false false R66.htm 996365 - Disclosure - Income Taxes - Schedule of Federal and Provincial Income Tax Rates to Loss Before Tax Provision (Details) Sheet http://highlandersilver.com/20251231/role/IncomeTaxesScheduleofFederalandProvincialIncomeTaxRatestoLossBeforeTaxProvisionDetails Income Taxes - Schedule of Federal and Provincial Income Tax Rates to Loss Before Tax Provision (Details) Details 66 false false R67.htm 996366 - Disclosure - Income Taxes - Schedule of Deferred Tax Liability and Unrecognized Deferred Tax Assets (Details) Sheet http://highlandersilver.com/20251231/role/IncomeTaxesScheduleofDeferredTaxLiabilityandUnrecognizedDeferredTaxAssetsDetails Income Taxes - Schedule of Deferred Tax Liability and Unrecognized Deferred Tax Assets (Details) Details 67 false false R68.htm 996367 - Disclosure - Financial Instrument Risk Exposure and Risk Management (Details) Sheet http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagementDetails Financial Instrument Risk Exposure and Risk Management (Details) Details http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagementTables 68 false false R69.htm 996368 - Disclosure - Financial Instrument Risk Exposure and Risk Management - Schedule of Contractual Cash Flow Commitments (Details) Sheet http://highlandersilver.com/20251231/role/FinancialInstrumentRiskExposureandRiskManagementScheduleofContractualCashFlowCommitmentsDetails Financial Instrument Risk Exposure and Risk Management - Schedule of Contractual Cash Flow Commitments (Details) Details 69 false false R70.htm 996369 - Disclosure - Commitments (Details) Sheet http://highlandersilver.com/20251231/role/CommitmentsDetails Commitments (Details) Details http://highlandersilver.com/20251231/role/CommitmentsTables 70 false false R71.htm 996370 - Disclosure - Commitments - Schedule of Commitments (Details) Sheet http://highlandersilver.com/20251231/role/CommitmentsScheduleofCommitmentsDetails Commitments - Schedule of Commitments (Details) Details 71 false false R72.htm 996371 - Disclosure - Subsequent Events (Details) Sheet http://highlandersilver.com/20251231/role/SubsequentEventsDetails Subsequent Events (Details) Details http://highlandersilver.com/20251231/role/SubsequentEvents 72 false false All Reports Book All Reports ea0282558-40f_highland.htm ea028255801ex99-2.htm hslv-20251231.xsd hslv-20251231_cal.xml hslv-20251231_def.xml hslv-20251231_lab.xml hslv-20251231_pre.xml ea028255801_ex99-2img1.jpg http://xbrl.sec.gov/dei/2025 https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full true true