Rockhounding in Lewis and Clark County, Montana
6 mapped rockhounding spots in Lewis and Clark County. Most commonly produces gold, sapphire, cassiterite, chalcedony.
Every rockhounding spot in Lewis and Clark County
Best spotAmerican BarLewis and Clark County, MontanaPublic access · Sapphire, Cassiterite, Chalcedony +5
Missouri RiverLewis and Clark County, MontanaPublic access · Cassiterite, Chalcedony, Garnet +5
Spokane Bar Sapphire MineLewis and Clark County, MontanaPublic access · Gold, Sapphire
Blaze N GemsLewis and Clark County, MontanaFee dig · Sapphire
HelenaLewis and Clark County, MontanaPublic access · Gold
Magpie GulchLewis and Clark County, MontanaPublic access · Green Sapphire
Lewis and Clark County rockhounding photos
Representative spot and material photos from this county, shown where verified public image records are available.
Minerals reported in Lewis and Clark County
Standout in Lewis and Clark County
Hand-picked spot in Lewis and Clark County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Neighboring counties in Montana
Adjacent rockhounding counties, ranked by how close their centroids sit to Lewis and Clark County. A natural extension if Lewis and Clark County is already on your trip plan.
- Broadwater County~27 mi3 spotsTop: Gold, Silver, Lead
- Jefferson County~44 mi12 spotsTop: Gold, Arsenopyrite, Cerussite
- Powell County~52 mi3 spotsTop: Gold, Calcite, Chalcopyrite
- Cascade County~53 mi4 spotsTop: Beryl, Galena, Polybasite
- Silver Bow County~58 mi2 spotsTop: Bornite, Pisanite, Rhodochrosite
- Deer Lodge County~65 mi4 spotsTop: Gold, Amazonite, Chrysocolla
Lewis and Clark County FAQ
Where can I rockhound in Lewis and Clark County, Montana?+
RockHoundR tracks 6 rockhounding spots in Lewis and Clark County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Lewis and Clark County?+
Spots in Lewis and Clark County most often produce Gold, Sapphire, Cassiterite, Chalcedony, Garnet. Individual spots can vary widely.
Are these Lewis and Clark 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.


