| Cover | Jun. 27, 2024 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 27, 2024 |
| 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, Postal Zip Code | V6E 4A2 |
| City Area Code | (604) |
| Local Phone Number | 338-9788 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| 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 |
