v3.25.4
Cover
12 Months Ended
Dec. 31, 2025
Entity Addresses [Line Items]  
Document Type S-1
Amendment Flag false
Entity Registrant Name BUNKER HILL MINING CORP.
Entity Central Index Key 0001407583
Entity Tax Identification Number 32-0196442
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 1009 McKinley Ave
Entity Address, City or Town Kellogg
Entity Address, State or Province ID
Entity Address, Postal Zip Code 83837
City Area Code (604)
Local Phone Number 417-7952
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 703 East Lakeside Avenue
Entity Address, City or Town Coeur d’Alene
Entity Address, State or Province ID
Entity Address, Postal Zip Code 83814
City Area Code (208)
Local Phone Number 714-0487
Contact Personnel Name Luke O’Dowd