<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>108</ContextCount>
  <ElementCount>132</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>42</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedStatementsOfOperations</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedStatementsOfOperationsParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - Nature of Business and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/NatureOfBusinessAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Nature of Business and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - Mineral Rights - Excelsior Springs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/MineralRights-ExcelsiorSprings</Role>
      <ShortName>Mineral Rights - Excelsior Springs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - Common Stock and Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommonStockAndWarrants</Role>
      <ShortName>Common Stock and Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - Share Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ShareBasedCompensation</Role>
      <ShortName>Share Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/NatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Nature of Business and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/NatureOfBusinessAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - Common Stock and Warrants (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommonStockAndWarrantsTables</Role>
      <ShortName>Common Stock and Warrants (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/CommonStockAndWarrants</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - Share Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ShareBasedCompensationTables</Role>
      <ShortName>Share Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/ShareBasedCompensation</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/NatureOfBusinessAndSummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Nature of Business and Summary of Significant Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/NatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - Mineral Rights - Excelsior Springs (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/MineralRights-ExcelsiorSpringsDetailsNarrative</Role>
      <ShortName>Mineral Rights - Excelsior Springs (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/MineralRights-ExcelsiorSprings</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - Common Stock and Warrants (Details - Warrants issued and outstanding)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommonStockAndWarrantsDetails-WarrantsIssuedAndOutstanding</Role>
      <ShortName>Common Stock and Warrants (Details - Warrants issued and outstanding)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/CommonStockAndWarrantsTables</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>00000021 - Disclosure - Common Stock and Warrants (Details - Warrants exercised, issued and expired)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommonStockAndWarrantsDetails-WarrantsExercisedIssuedAndExpired</Role>
      <ShortName>Common Stock and Warrants (Details - Warrants exercised, issued and expired)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/CommonStockAndWarrantsTables</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>00000022 - Disclosure - Common Stock and Warrants (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/CommonStockAndWarrantsDetailsNarrative</Role>
      <ShortName>Common Stock and Warrants (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/CommonStockAndWarrantsTables</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - Share-based compensation (Details - Assumptions)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/Share-basedCompensationDetails-Assumptions</Role>
      <ShortName>Share-based compensation (Details - Assumptions)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - Share Based Compensation (Details - Stock option)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ShareBasedCompensationDetails-StockOption</Role>
      <ShortName>Share Based Compensation (Details - Stock option)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/ShareBasedCompensationTables</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - Share Based Compensation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/ShareBasedCompensationDetailsNarrative</Role>
      <ShortName>Share Based Compensation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/ShareBasedCompensationTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="athenagold_posam2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - Related Party Transactions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://athenagoldcorp.com/role/RelatedPartyTransactionsDetailsNarrative</Role>
      <ShortName>Related Party Transactions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://athenagoldcorp.com/role/RelatedPartyTransactions</ParentRole>
      <Position>26</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="POS AM" original="athenagold_posam2.htm">athenagold_posam2.htm</File>
    <File>ahnr-20230331.xsd</File>
    <File>ahnr-20230331_cal.xml</File>
    <File>ahnr-20230331_def.xml</File>
    <File>ahnr-20230331_lab.xml</File>
    <File>ahnr-20230331_pre.xml</File>
    <File>athenagold_ex0500.htm</File>
    <File>athenagold_ex107.htm</File>
    <File>athenagold_ex2302.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>image_004.jpg</File>
    <File>image_006.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="285">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="17">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
