Document and Entity Information	3 Months Ended
	Sep. 30, 2012	Nov. 12, 2012
Document And Entity Information
Entity Registrant Name	Crown Alliance Capital Ltd
Entity Central Index Key	0001487439
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		42,140,724
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2012