Washington Mine

Washington Mine is an underground gold mine in Boise County, Idaho, near Idaho City. MSHA lists its status as temporarily idled since Mar 13, 2025. It is one of 10 gold mines in Idaho that are not marked abandoned, and the only one in Boise County.

Facts

MSHA status
Temporarily idled since Mar 13, 2025
Type
Underground
County
Boise County
State
Idaho
Land status (BLM data)
Private land or land not mapped as public
Nearest town
Idaho City
Operator
Silver Bullet Idaho Inc.
Coordinates
43.9011, -115.7561
MSHA mine ID
1002369

Source: MSHA Mines data set, retrieved 2026-10-13. Status and counts can lag real operations.

Land status comes from the BLM Surface Management Agency dataset and can be out of date. Check ownership before you go near any mine site.

History and geology (USGS)

USGS site name
Unnamed Prospect
USGS status
Occurrence
Commodities
Gold, Silver

Matched by location to the USGS Mineral Resources Data System record 10240707 (retrieved 2026-10-13). The database was last updated around 2011, so history may be out of date.

Gold mines nearby