Document and Entity Information - USD ($)		12 Months Ended
Mar. 31, 2017	Sep. 30, 2017	Jan. 12, 2018
Details
Registrant Name		Oroplata Resources, Inc.
Registrant CIK		0001576873
SEC Form		10-K
Period End date		Sep. 30, 2017
Fiscal Year End		--09-30
Trading Symbol		ORRP
Tax Identification Number (TIN)		331227980
Number of common stock shares outstanding	67,778,696		78,778,696
Public Float	$ 61,677,861
Filer Category		Smaller Reporting Company
Current with reporting		Yes
Voluntary filer		No
Well-known Seasoned Issuer		No
Amendment Flag		false
Document Fiscal Year Focus		2017
Document Fiscal Period Focus		FY
Entity Incorporation, State Country Name		Nevada
Entity Address, Address Line One		930 Tahoe Blvd. Suite 802-16,
Entity Address, City or Town		Incline Village
Entity Address, State or Province		NV
Entity Address, Postal Zip Code		89451
City Area Code		(775)
Local Phone Number		473-4744
Entity Listing, Par Value Per Share	$ 0.091

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