-----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,
 QQsSmyMPeZhB7LMeokBXMFFPzpDxjK1OtBncmitvWUahBUjy6QcbtOQtKgpvtsXM
 bugHr6+L6udp700sZgavwQ==

<SEC-DOCUMENT>0001140361-10-042235.txt : 20101026
<SEC-HEADER>0001140361-10-042235.hdr.sgml : 20101026
<ACCEPTANCE-DATETIME>20101026143118
ACCESSION NUMBER:		0001140361-10-042235
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101022
FILED AS OF DATE:		20101026
DATE AS OF CHANGE:		20101026

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VISTA GOLD CORP
		CENTRAL INDEX KEY:			0000783324
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7961 SHAFFER PKWY
		STREET 2:		SUITE 5
		CITY:			LITTLETOWN
		STATE:			CO
		ZIP:			80127
		BUSINESS PHONE:		3036292450

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GRANGES INC
		DATE OF NAME CHANGE:	19950602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GRANGES EXPLORATION LTD
		DATE OF NAME CHANGE:	19890619

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Earnest Frederick Hume
		CENTRAL INDEX KEY:			0001376530

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09025
		FILM NUMBER:		101141794

	MAIL ADDRESS:	
		STREET 1:		9516 SHENSTONE DRIVE
		CITY:			PARKER
		STATE:			CO
		ZIP:			80134
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-10-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000783324</issuerCik>
        <issuerName>VISTA GOLD CORP</issuerName>
        <issuerTradingSymbol>VGZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001376530</rptOwnerCik>
            <rptOwnerName>Earnest Frederick Hume</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9516 SHENSTONE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARKER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80134</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and COO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Special Warrants</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-10-22</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Special Warrants</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each special warrant consists of one common share plus one common share purchase warrant.  The special warrants will automatically convert into common stock and warrants upon shareholder approval, but in no event any later than December 15, 2010.  The warrants are exercisable at $3.50 for the first year, $4.00 for the second year, $4.50 for the third year and $5.00 thereafter until the expiration date of October 21, 2015, subject to acceleration by the Issuer upon certain conditions.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gregory G. Marlier, as attorney-in-fact for Frederick Hume Earnest</signatureName>
        <signatureDate>2010-10-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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