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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LXsYR0RGYUkLXIuXg9gISUiEykoU1oyJb0gFBcsxkDY/cJ1aeQ8znP6dlQ3RX197
 9qvRM/aNnluM0i2XW49LDQ==

<SEC-DOCUMENT>0000932440-07-000571.txt : 20071003
<SEC-HEADER>0000932440-07-000571.hdr.sgml : 20071003
<ACCEPTANCE-DATETIME>20071003163306
ACCESSION NUMBER:		0000932440-07-000571
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070919
FILED AS OF DATE:		20071003
DATE AS OF CHANGE:		20071003

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOUNTAINS WEST EXPLORATION INC
		CENTRAL INDEX KEY:			0000319040
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				850280415
		STATE OF INCORPORATION:			NM
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7609 RALSTON ROAD
		CITY:			ARVADA
		STATE:			CO
		ZIP:			80002
		BUSINESS PHONE:		303 422 8127

	MAIL ADDRESS:	
		STREET 1:		7609 RALSTON ROAD
		CITY:			ARVADA
		STATE:			CO
		ZIP:			80002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MALONE LAWRENCE
		CENTRAL INDEX KEY:			0001024314
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09500
		FILM NUMBER:		071153989

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2129356800

	MAIL ADDRESS:	
		STREET 1:		800 THIRD AVE
		STREET 2:		18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-09-19</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000319040</issuerCik>
        <issuerName>MOUNTAINS WEST EXPLORATION INC</issuerName>
        <issuerTradingSymbol>MWXI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001024314</rptOwnerCik>
            <rptOwnerName>MALONE LAWRENCE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MOUNTAINS WEST EXPLORATION, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2001 BUTTERFIELD ROAD, SUITE 1050</rptOwnerStreet2>
            <rptOwnerCity>DOWNERS GROVE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60515</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Lawrence Malone</signatureName>
        <signatureDate>2007-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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