-----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,
 LJGkvbY2h39P9x76HVdf69p/HZyOcbHUWaguvth+jPmLtE80qkosabIXDiiuCCDy
 rCZR9/BaD8WOSfj4wBXKLg==

<SEC-DOCUMENT>0000916480-10-000089.txt : 20100810
<SEC-HEADER>0000916480-10-000089.hdr.sgml : 20100810
<ACCEPTANCE-DATETIME>20100810120711
ACCESSION NUMBER:		0000916480-10-000089
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100806
FILED AS OF DATE:		20100810
DATE AS OF CHANGE:		20100810

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BAUR ANDREW N
		CENTRAL INDEX KEY:			0000940057

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13923
		FILM NUMBER:		101004123

	MAIL ADDRESS:	
		STREET 1:		700 CORPORATE PARK DRIVE
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WAUSAU PAPER CORP.
		CENTRAL INDEX KEY:			0000105076
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		IRS NUMBER:				390690900
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 PAPER PLACE
		STREET 2:		ATTN:  SHERRI L. LEMMER
		CITY:			MOSINEE
		STATE:			WI
		ZIP:			54455
		BUSINESS PHONE:		7156934470

	MAIL ADDRESS:	
		STREET 1:		100 PAPER PLACE
		STREET 2:		ATTN:  SHERRI L. LEMMER
		CITY:			MOSINEE
		STATE:			WI
		ZIP:			54455

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WAUSAU MOSINEE PAPER CORP
		DATE OF NAME CHANGE:	20030212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WAUSAU MOSINEE PAPER MILLS CORP
		DATE OF NAME CHANGE:	19980114
</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>2010-08-06</periodOfReport>

    <issuer>
        <issuerCik>0000105076</issuerCik>
        <issuerName>WAUSAU PAPER CORP.</issuerName>
        <issuerTradingSymbol>WPP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940057</rptOwnerCik>
            <rptOwnerName>BAUR ANDREW N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13205 MANCHESTER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. LOUIS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>No Par Value Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.80</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Hafey, Inc. Charitable Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>No Par Value Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.80</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>70000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Foul Play, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Sherri L. Lemmer, Attorney in Fact</signatureName>
        <signatureDate>2010-08-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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