Rockhounding in Big Horn County, Wyoming
6 mapped rockhounding spots in Big Horn County. Most commonly produces fossil, gastrolith, gypsum, dinosaur bone.
Every rockhounding spot in Big Horn County
HyattvilleBig Horn County, WyomingPublic access · Gypsum, Dinosaur Bone, Gastrolith +1- LovellBig Horn County, WyomingPublic access · Fossil, Ammonite, Dinosaur Bone +1
- GreybullBig Horn County, WyomingPublic access · Gastrolith, Petrified Dinosaur Bone, Fossil
- LovellBig Horn County, WyomingPublic access · Gypsum, Fossil
Big Horn RiverBig Horn County, WyomingPermission required · Dry Head Agate- Red GulchBig Horn County, WyomingPublic access · Gypsum
Minerals reported in Big Horn County
Neighboring counties in Wyoming
Adjacent rockhounding counties, ranked by how close their centroids sit to Big Horn County. A natural extension if Big Horn County is already on your trip plan.
Across the state line from Big Horn County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders. These are often the closest mapped spots you can reach without going deeper into Wyoming.
Big Horn County FAQ
Where can I rockhound in Big Horn County, Wyoming?+
RockHoundR tracks 6 rockhounding spots in Big Horn County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Big Horn County?+
Spots in Big Horn County most often produce Fossil, Gastrolith, Gypsum, Dinosaur Bone, Ammonite. Individual spots can vary widely.
Are these Big Horn 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 Big Horn County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
