Rockhounding in Madison County, Montana
11 mapped rockhounding spots in Madison County. Most commonly produces garnet, gold, jasper, quartz.
Map showing 11 rockhounding spots in Madison County, Montana
Standout in Madison County
Hand-picked spot in Madison County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Spots in Madison County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Bismark MineMammoth South Boulder Road | 45.6129, -112.0490 | Public | |
| Ennis |
| 45.1931, -111.9394 | Public |
| Finnegan Ridge | 45.5038, -111.3832 | Public | |
| Gem Mountain | 45.3430, -112.3560 | Paid / fee | |
| Gravelly RangeGravelly Range Road |
| 45.0917, -111.8567 | Public |
| Jefferson RiverPrimrose Lane | 45.6902, -112.2745 | Public | |
| Mill Canyon | 45.6968, -112.1247 | Public | |
| Pole Creek | 45.5769, -111.5247 | Public | |
| Ruby RiverUpper Ruby Road | 45.2615, -112.0996 | Public | |
| South Boulder RiverSouth Boulder Road | 45.7263, -111.9747 | Public | |
| Virginia CityGrant Mine | 45.2758, -111.9512 | Public |
Neighboring counties in Montana
Adjacent rockhounding counties, ranked by how close their centroids sit to Madison County. A natural extension if Madison County is already on your trip plan.
- Gallatin County~37 mi5 spotsTop: Agate, Chalcedony, Corundum
- Silver Bow County~50 mi2 spotsTop: Bornite, Pisanite, Rhodochrosite
- Beaverhead County~50 mi5 spotsTop: Amethyst, Aquamarine, Corundum
- Jefferson County~55 mi7 spotsTop: Gold, Arsenopyrite, Cerussite
- Park County~62 mi6 spotsTop: Agate, Gold, Jasper
- Broadwater County~66 mi3 spotsTop: Gold, Silver, Lead
Madison County FAQ
Where can I rockhound in Madison County, Montana?+
RockHoundR tracks 11 rockhounding spots in Madison County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Madison County?+
Spots in Madison County most often produce Garnet, Gold, Jasper, Quartz, Sapphire. Individual spots can vary widely.
Are these Madison County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.
Plan a Madison County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
