-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Hym0R8OVEhrQ59dZCLTqq+YgjF61Icwdgvf6Ix8ckUgFXhi/VPWPXYC6tti4fuSx
 f2AZFbbEACvAeNcSOc5HOQ==

<SEC-DOCUMENT>0000897423-10-000022.txt : 20100201
<SEC-HEADER>0000897423-10-000022.hdr.sgml : 20100201
<ACCEPTANCE-DATETIME>20100201170404
ACCESSION NUMBER:		0000897423-10-000022
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100128
FILED AS OF DATE:		20100201
DATE AS OF CHANGE:		20100201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Q4 Funding LP
		CENTRAL INDEX KEY:			0001365089

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09444
		FILM NUMBER:		10564082

	BUSINESS ADDRESS:	
		STREET 1:		301 Commerce St  St  3200
		CITY:			Fort Worth
		STATE:			TX
		ZIP:			76102

	MAIL ADDRESS:	
		STREET 1:		301 Commerce St  St  3200
		CITY:			Fort Worth
		STATE:			TX
		ZIP:			76102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CEDAR FAIR L P
		CENTRAL INDEX KEY:			0000811532
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS AMUSEMENT & RECREATION [7990]
		IRS NUMBER:				341560655
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE CEDAR POINT DRIVE
		CITY:			SANDUSKY
		STATE:			OH
		ZIP:			44870
		BUSINESS PHONE:		4196260830

	MAIL ADDRESS:	
		STREET 1:		ONE CEDAR POINT DRIVE
		CITY:			SANDUSKY
		STATE:			OH
		ZIP:			44870

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RAYNOR GEOFFREY
		CENTRAL INDEX KEY:			0001199406

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09444
		FILM NUMBER:		10564079

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Star Spangled Sprockets, L.P.
		CENTRAL INDEX KEY:			0001481887

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09444
		FILM NUMBER:		10564081

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-9500

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Excalibur Domestic, LLC
		CENTRAL INDEX KEY:			0001481891

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09444
		FILM NUMBER:		10564080

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-9500

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
</SEC-HEADER>
<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>2010-01-28</periodOfReport>

    <issuer>
        <issuerCik>0000811532</issuerCik>
        <issuerName>CEDAR FAIR L P</issuerName>
        <issuerTradingSymbol>FUN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001365089</rptOwnerCik>
            <rptOwnerName>Q4 Funding LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001481887</rptOwnerCik>
            <rptOwnerName>Star Spangled Sprockets, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001481891</rptOwnerCik>
            <rptOwnerName>Excalibur Domestic, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001199406</rptOwnerCik>
            <rptOwnerName>RAYNOR GEOFFREY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Units Representing Limited Partner Interests</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>214671</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.56</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1879804</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Units Representing Limited Partner Interests</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>66358</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1946162</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Units Representing Limited Partner Interests</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>103790</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2049952</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Units are held directly by Q4 Funding, L.P. (&quot;Q4&quot;).   Excalibur Domestic, LLC (&quot;Excalibur&quot;) is the general partner of Star Spangled Sprockets, L.P. (&quot;Star&quot;), which is the general partner of Q4.  Geoffrey P. Raynor (&quot;Raynor&quot;) is the person who controls Excalibur. Pursuant to Rule 16a-1(a)(2)(ii)(B) under the Securities Filing Act of 1934, each of Excalibur, Star and Raynor is deemed to be the beneficial owner of any Units beneficially owned by Q4 only to the extent of the greater of his or its respective direct or indirect interest.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Brandon Teague, Director of Trading for Excalibur Domestic, LLC, general partner of Star Spangled Sprockets, L.P., general partner of Q4 Funding, L.P.</signatureName>
        <signatureDate>2010-02-01</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Brandon Teague, Director of Trading for Excalibur Domestic, LLC, general partner of Star Spangled Sprockets, L.P.</signatureName>
        <signatureDate>2010-02-01</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Brandon Teague, Director of Trading for Excalibur Domestic, LLC</signatureName>
        <signatureDate>2010-02-01</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Brandon Teague, Attorney-in-Fact for Geoffrey P. Raynor</signatureName>
        <signatureDate>2010-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----