<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002059345</cik>
        <entityName>Borealis Mining Co Ltd (BC)</entityName>
        <issuerAddress>
            <street1>5TH FLOOR - 410 WEST GEORGIA STREET</street1>
            <city>VANCOUVER</city>
            <stateOrCountry>A1</stateOrCountry>
            <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
            <zipCode>V6B 1Z3</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(289) 371-3371</issuerPhoneNumber>
        <jurisdictionOfInc>BRITISH COLUMBIA, CANADA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>1329300 B.C. Ltd.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2021</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kelly</firstName>
                <lastName>Malcolm</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Anthony</firstName>
                <lastName>Makuch</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christina</firstName>
                <lastName>McCarthy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Buchan</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Greg</firstName>
                <lastName>Gibson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <lastName>Patricio</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jennifer</firstName>
                <lastName>Thor</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Andreas</firstName>
                <lastName>Steckenborn</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lisanna</firstName>
                <lastName>Lewis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5th Floor - 410 West Georgia Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6B 1Z3</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2025-02-26</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Each Unit consists of 1 cm sh &amp; 1/2 cm sh purchase wrt. Each whole wrt entitles the holder to purchase 1 cm sh at a price of CAD$0.78 for a period of 24 months following the closing date.</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>HAYWOOD SECURITIES (USA) INC.</recipientName>
                <recipientCRDNumber>42072</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>200 BURRARD ST, SUITE 700</street1>
                    <city>VANCOUVER</city>
                    <stateOrCountry>A1</stateOrCountry>
                    <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                    <zipCode>V6C 3L6</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>NJ</state>
                    <description>NEW JERSEY</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>274385</totalOfferingAmount>
            <totalAmountSold>156218</totalAmountSold>
            <totalRemaining>118167</totalRemaining>
            <clarificationOfResponse>Total Offering Amount=price of units (400,000xC$0.56) plus exercise price of shares underlying wrnts (200,000xC$0.78) &amp; compensation options (24,000xC$0.56) offered. No guarantee that wrnts or options will be exercised. X-rate of CAD$1.00:USD$0.6974.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>9373</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Cash commission of $9,373.00 (CAD$1.00=USD$0.6974) and 24,000 compensation options. Each option is exercisable at a price of C0.56 for a period of 24 months following closing.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Borealis Mining Co Ltd (BC)</issuerName>
                <signatureName>/s/ Kelly Malcolm</signatureName>
                <nameOfSigner>Kelly Malcolm</nameOfSigner>
                <signatureTitle>CEO &amp; Director</signatureTitle>
                <signatureDate>2025-03-06</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
