v3.26.3
Cover - USD ($)
 12 Months Ended
Jun. 30, 2026
Sep. 28, 2026
Cover [Abstract]    
Document Type 10-K  
Amendment Flag false  
Document Annual Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --06-30  
Entity File Number 000-52837  
Entity Registrant Name GOLDEN STAR RESOURCE CORP.  
Entity Central Index Key 0001375348  
Entity Tax Identification Number 00-0000000  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One #300 – 500 North Rainbow Blvd  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89107  
City Area Code (210)  
Local Phone Number 862-3372  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Public Float $ 1,070,000  
Entity Common Stock, Shares Outstanding   7,070,000
Document Financial Statement Error Correction [Flag] false  
Auditor Firm ID 6104  
Auditor Opinion [Text Block] We have audited the accompanying balance sheet of Golden Star Resource Corp. as of June 30, 2026 and 2025 and the related statements of operations, changes in stockholders’ deficit, cash flows, and the related notes (collectively referred to as “financial statements”) for the fiscal years then ended. In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of June 30, 2026 and 2025 and the results of its operations and its cash flows for the fiscal years then ended.  
Auditor Name MICHAEL GILLESPIE & ASSOCIATES, PLLC  
Auditor Location Vancouver, Washington