v2.4.0.8

Document And Entity Information (USD $)	12 Months Ended
Document And Entity Information (USD $)	Jul. 31, 2013	Oct. 24, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	American Sierra Gold Corp.
Document Type	10-K
Current Fiscal Year End Date	--07-31
Entity Common Stock, Shares Outstanding		51,231,685
Entity Public Float		$ 1,926,074
Amendment Flag	false
Entity Central Index Key	0001415432
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jul. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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State aggregate market value of voting and non-voting common equity held by non-affiliates computed by reference to price at which the common equity was last sold, or average bid and asked price of such common equity, as of the last business day of registrant's most recently completed second fiscal quarter. The public float should be reported on the cover page of the registrants form 10K.

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AMERICAN SIERRA GOLD CORP. 10-K