Granite Mountains — Rockhounding in Natrona County, Wyoming
Granite Mountains is a mapped rockhounding spot in Natrona County, Wyoming. Reported finds include chalcedony. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Granite Mountains in Natrona County, Wyoming
Quick details
- Access
- Public area
- County
- Natrona County
- State
- Wyoming
- Coordinates
- 42.47174, -107.17959
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 Granite Mountains
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Granite Mountains.
- Sweetwater RiverNatrona County, Wyoming · 10 mi awaySweetwater Agate
- Split RockNatrona County, Wyoming · 18 mi awayRuby
- Fremont CountyFremont County, Wyoming · 21 mi awaySweetwater Agate, Nephrite Jade, Jade
- Sage Hen CreekFremont County, Wyoming · 22 mi awayAgate, Chalcedony, Jasper
- Green MountainFremont County, Wyoming · 29 mi awayBanded Agate, Moss Agate, Aventurine
- Poison Spider CreekNatrona County, Wyoming · 39 mi awayAgate, Chalcedony, Jasper
- Seminoe ReservoirTop pick in WyomingCarbon County, Wyoming · 42 mi awayJade
- Shirley BasinCarbon County, Wyoming · 48 mi awayOpalized Wood
