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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001334990-05-000001.txt : 20050804
<SEC-HEADER>0001334990-05-000001.hdr.sgml : 20050804
<ACCEPTANCE-DATETIME>20050804153954
ACCESSION NUMBER:		0001334990-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050802
FILED AS OF DATE:		20050804
DATE AS OF CHANGE:		20050804

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERMIAN BASIN ROYALTY TRUST
		CENTRAL INDEX KEY:			0000319654
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL ROYALTY TRADERS [6792]
		IRS NUMBER:				756280532
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		BANK OF AMERICA N A TRUST DEPARTMENT
		STREET 2:		P O BOX 1317 NK OF TEXAS NA TRUST DEPT
		CITY:			FT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		8173906905

	MAIL ADDRESS:	
		STREET 1:		1300 SUMMIT AVENUE SUITE 300
		CITY:			FORTH WORTH
		STATE:			TX
		ZIP:			76102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Burlington Resources Oil & Gas CO LP
		CENTRAL INDEX KEY:			0001334990
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08033
		FILM NUMBER:		05999343

	BUSINESS ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 2100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		713-624-9363

	MAIL ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 2100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-02</periodOfReport>

    <issuer>
        <issuerCik>0000319654</issuerCik>
        <issuerName>PERMIAN BASIN ROYALTY TRUST</issuerName>
        <issuerTradingSymbol>PBT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334990</rptOwnerCik>
            <rptOwnerName>Burlington Resources Oil &amp; Gas CO LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>717 TEXAS AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2100</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Units of Beneficial Interest</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8250000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.45</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19327741</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>L. David Hanower, Senior Vice President, Law and Administration, on behalf of BROG GP Inc., general partner of Burlington Resources Oil &amp; Gas Company, LP</signatureName>
        <signatureDate>2005-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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