<SUBMISSION>
<ACCESSION-NUMBER>0001517019-11-000004
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20110429
<FILING-DATE>20110503
<DATE-OF-FILING-DATE-CHANGE>20110503
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Bromark Raymond J
<CIK>0001397836
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-35143
<FILM-NUMBER>11804402
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>ONE CA PLAZA
<CITY>ISLANDIA
<STATE>NY
<ZIP>11749
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>TESORO LOGISTICS LP
<CIK>0001507615
<ASSIGNED-SIC>4610
<IRS-NUMBER>274151603
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>19100 RIDGEWOOD PARKWAY
<CITY>SAN ANTONIO
<STATE>TX
<ZIP>78259
<PHONE>210-626-6000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>19100 RIDGEWOOD PARKWAY
<CITY>SAN ANTONIO
<STATE>TX
<ZIP>78259
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-04-29</periodOfReport>

    <issuer>
        <issuerCik>0001507615</issuerCik>
        <issuerName>TESORO LOGISTICS LP</issuerName>
        <issuerTradingSymbol>TLLP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001397836</rptOwnerCik>
            <rptOwnerName>Bromark Raymond J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>19100 RIDGEWOOD PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN ANTONIO</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78259</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-04-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2381</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Units</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2381</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2381</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The phantom units will vest one year from the date of grant, contingent on continued service by the director.  The phantom units do not expire and are settled upon vesting in common units (on a one-for-one basis) or cash (equal to the fair market value of the common units), at the discretion of the board of directors of the Issuer's general partner.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Charles S. Parrish, Attorney-in Fact for Raymond J. Bromark</signatureName>
        <signatureDate>2011-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
