Document and Entity Information	3 Months Ended
	Sep. 30, 2017 shares
Document And Entity Information
Entity Registrant Name	Golden Star Resource Corp.
Entity Central Index Key	0001375348
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding	7,070,000
Trading Symbol	GLNS
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2018