| Document and Entity Information Document | Aug. 22, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Creation Date | Aug. 22, 2022 |
| Document Period End Date | Aug. 22, 2022 |
| Amendment Flag | false |
| Entity Registrant Name | Dakota Gold Corp. |
| Entity Address, Address Line One | 106 Glendale Drive, Suite A, |
| Entity Address, City or Town | Lead |
| Entity Address, State or Province | SD |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 57754 |
| Entity Incorporation, State Country Name | NV |
| City Area Code | 605 |
| Local Phone Number | 906-8363 |
| Entity File Number | 001-41349 |
| Entity Central Index Key | 0001852353 |
| Entity Emerging Growth Company | true |
| Entity Tax Identification Number | 85-3475290 |
| Entity Ex Transition Period | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Current Fiscal Year End Date | --12-31 |
