v3.25.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Aug. 13, 2025
Document Information [Line Items]    
Registrant Name Dakota Gold Corp.  
Registrant CIK 0001852353  
Current Fiscal Year End Date --12-31  
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 000-41349  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Incorporation, State or Country Code DE  
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  
Entity Interactive Data Current Yes  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   112,343,862
Common Stock [Member]    
Document Information [Line Items]    
Title of 12(g) Security Common stock, par value $0.001 per share  
Trading Symbol DC  
Security Exchange Name NYSE  
Warrants, each warrant exercisable for one share of the Registrant's common stock at an exercise price of $2.08 [Member]    
Document Information [Line Items]    
Title of 12(g) Security Warrants, each warrant exercisable for one share of the Registrant's common stock at an exercise price of $2.08  
Trading Symbol DC.WS  
Security Exchange Name NYSE