Big Horn River — Rockhounding in Big Horn County, Wyoming
Big Horn River is a mapped rockhounding spot in Big Horn County, Wyoming. Reported finds include dry head agate. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Big Horn River in Big Horn County, Wyoming
Quick details
- Access
- Public area
- County
- Big Horn County
- State
- Wyoming
- Nearest road
- Mouth of the Canyon Trail
- Coordinates
- 44.96434, -108.25090
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- BLM Wyoming
- Wyoming State Geological Survey
- Fossil Butte National Monument
- Community submissions reviewed against published agency rules
Found at Big Horn River
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- Dry Head AgateEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Big Horn River.
- LovellBig Horn County, Wyoming · 14 mi awayGypsum, Fossils
- LovellBig Horn County, Wyoming · 15 mi awayFossils, Ammonites, Dinosaur Bones
- GreybullBig Horn County, Wyoming · 31 mi awayGastroliths, Petrified Dinosaur Bone, Fossils
- Red GulchBig Horn County, Wyoming · 37 mi awayGypsum
- Cedar MountainPark County, Wyoming · 54 mi awayTravertine
- Rattlesnake MountainPark County, Wyoming · 57 mi awayAnhydrite
- HyattvilleBig Horn County, Wyoming · 61 mi awayGypsum, Dinosaur Bones, Gastroliths
- MeeteetsePark County, Wyoming · 65 mi awayAgate, Jasper
Across the state line from Big Horn River
Big Horn River is close enough to the Wyoming border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Bear CanyonCarbon County, Montana · 16 mi awayGeode, Agate
- Pryor MountainsTop pick in MontanaBig Horn County, Montana · 19 mi awayFossils, Agate, Chalcedony
- Big Horn CanyonBig Horn County, Montana · 28 mi awayAgate, Chalcedony, Jasper
- FrombergCarbon County, Montana · 44 mi awayCoal, Pyrite
- Yellowstone River (Billings area)Top pick in MontanaYellowstone County, Montana · 65 mi awayMontana Agate, Chalcedony, Chert
Big Horn River FAQ
Where is Big Horn River?+
What rocks and minerals can you find at Big Horn River?+
Is collecting allowed at Big Horn River?+
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More rockhounding in Wyoming
See all 82 Wyoming spots →Open Big Horn River on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
