Rockhounding in Platte County, Wyoming
4 mapped rockhounding spots in Platte County. Most commonly produces agate, arsenopyrite, barite, chalcedony.
Map showing 4 rockhounding spots in Platte County, Wyoming
Minerals reported in Platte County
Spots in Platte County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Cooney Hills | 41.9816, -105.1138 | Public | |
| HartvilleLakeside Road | 42.3221, -104.7482 | Public | |
| SunriseSunrise Highway | 42.3358, -104.7016 | Public | |
| WheatlandWY 34 | 41.9392, -105.1064 | Public |
Other rockhounding counties in Wyoming
- Fremont County16 spotsTop: Agate, Jasper, Chalcedony
- Sweetwater County10 spotsTop: Agate, Chalcedony, Jasper
- Carbon County8 spotsTop: Opalized Wood, Autunite, Azurite
- Albany County6 spotsTop: Gypsum, Agate, Barite
- Big Horn County6 spotsTop: Fossils, Gastroliths, Gypsum
- Natrona County6 spotsTop: Agate, Chalcedony, Alabaster
Platte County FAQ
Where can I rockhound in Platte County, Wyoming?+
RockHoundR tracks 4 rockhounding spots in Platte County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Platte County?+
Spots in Platte County most often produce Agate, Arsenopyrite, Barite, Chalcedony, Copper. Individual spots can vary widely.
Are these Platte 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 Platte County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
