v3.25.0.1

Document and Entity Information Document	Dec. 10, 2024
Document Information [Line Items]
Document Type	8-K/A
Document Creation Date	Dec. 10, 2024
Document Period End Date	Dec. 10, 2024
Amendment Flag	true
Amendment Description
Entity Registrant Name	Thunder Mountain Gold, Inc.
Entity Address, Address Line One	11770 W. President Drive, Ste. F
Entity Address, City or Town	Boise
Entity Address, State or Province	ID
Entity Address, Country	US
Entity Address, Postal Zip Code	83713
Entity Incorporation, State Country Name	ID
City Area Code	208
Local Phone Number	658-1037
Entity File Number	001-08429
Entity Central Index Key	0000711034
Entity Emerging Growth Company	false
Entity Tax Identification Number	91-1031015
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Former Address [Member]
Document Information [Line Items]
Entity Address, Address Line One	11770 W. President Dr., Ste. F
Entity Address, City or Town	Boise
Entity Address, State or Province	ID
Entity Address, Country	US
Entity Address, Postal Zip Code	83713

Description of changes contained within amended document.

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The date the document was made available and submitted, in YYYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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THUNDER MOUNTAIN GOLD INC 8-K/A