Document and Entity Information - USD ($)	12 Months Ended
	Mar. 31, 2022	Jun. 25, 2022	Sep. 30, 2021
Cover [Abstract]
Registrant Name	Dakota Gold Corp.
Registrant CIK	0001852353
Current Fiscal Year End Date	--03-31
Document Type	10-K
Document Annual Report	true
Entity File Number	000-41349
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	85-3475290
Entity Address, Address Line One	106 Glendale Drive
Entity Address, City or Town	Suite A, Lead
Entity Address, State or Province	SD
Entity Address, Postal Zip Code	57754
City Area Code	605
Local Phone Number	717-2540
Title of 12(g) Security	Common Stock, par value $0.001
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	true
Entity Shell Company	false
Entity Public Float			$ 0
Entity Common Stock, Shares Outstanding		71,994,644
Amendment Flag	false
Document Transition Report	false
Entity Ex Transition Period	false
Auditor Firm ID	298
Auditor Name	Ham, Langston & Brezina, L.L.P.
Auditor Location	Houston, Texas, USA