v3.26.1
Cover - shares
3 Months Ended
Mar. 31, 2026
May 13, 2026
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity File Number 001-41690  
Entity Registrant Name U.S. GOLDMINING INC.  
Entity Central Index Key 0001947244  
Entity Tax Identification Number 37-1792147  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 1188 West Georgia Street  
Entity Address, Address Line Two Suite 1830  
Entity Address, City or Town Vancouver  
Entity Address, State or Province BC  
Entity Address, Country CA  
Entity Address, Postal Zip Code V6E 4A2  
City Area Code (604)  
Local Phone Number 388-9788  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   13,354,420
Common Stock, par value $0.001 per share    
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol USGO  
Security Exchange Name NASDAQ  
Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $13.00    
Title of 12(b) Security Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $13.00  
Trading Symbol USGOW  
Security Exchange Name NASDAQ