Rockhounding in Gallatin County, Montana
5 mapped rockhounding spots in Gallatin County. Most commonly produces agate, chalcedony, corundum, emery.
Every rockhounding spot in Gallatin County
Mount BlackmoreGallatin County, MontanaPublic access · Agate, Chalcedony, Hyalite Opal +1
Horseshoe HillsGallatin County, MontanaPublic access · Shale, Trilobite Fossil
SalesvilleGallatin County, MontanaPublic access · Emery, Corundum
Bakers HoleGallatin County, MontanaPermission required · Agate
ManhattanGallatin County, MontanaPublic access · Onyx
Minerals reported in Gallatin County
Neighboring counties in Montana
Adjacent rockhounding counties, ranked by how close their centroids sit to Gallatin County. A natural extension if Gallatin County is already on your trip plan.
- Park County~29 mi6 spotsTop: Agate, Gold, Jasper
- Madison County~39 mi14 spotsTop: Garnet, Gold, Jasper
- Broadwater County~61 mi3 spotsTop: Gold, Silver, Lead
- Jefferson County~64 mi12 spotsTop: Gold, Arsenopyrite, Cerussite
- Silver Bow County~76 mi2 spotsTop: Bornite, Pisanite, Rhodochrosite
- Lewis and Clark County~87 mi6 spotsTop: Gold, Sapphire, Cassiterite
Gallatin County FAQ
Where can I rockhound in Gallatin County, Montana?+
RockHoundR tracks 5 rockhounding spots in Gallatin County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Gallatin County?+
Spots in Gallatin County most often produce Agate, Chalcedony, Corundum, Emery, Hyalite Opal. Individual spots can vary widely.
Are these Gallatin 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.
