Rockhounding in Fremont County, Wyoming
16 mapped rockhounding spots in Fremont County. Most commonly produces agate, jasper, chalcedony, gold.
Fremont County rockhounding photos
Representative spot and material photos from this county, shown where verified public image records are available.
Map showing 16 rockhounding spots in Fremont County, Wyoming
Minerals reported in Fremont County
- Agate7
- Jasper7
- Chalcedony6
- Gold3
- Jade3
- Nephrite Jade3
- Moss Agate2
- Muscovite2
Standouts in Fremont County
Hand-picked spots in Fremont County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Top pickSweetwater River
PublicFremont County
Sweetwater agate is Wyoming's signature agate, and the Sweetwater River drainage is the classic field area tied to the Granite Mountains source terrain. WSGS publications describe Sweetwater material among the state's better-known agates, while BLM rules make casual surface collecting possible on open public parcels when claims and ownership are checked first.
Agate
Top pickAtlantic City
PublicFremont County
Atlantic City sits in the South Pass country, where Wyoming's gold-mining history overlaps with the central Wyoming jade and agate belt. The mix of quartz, muscovite, tourmaline, jasper, chalcedony, and nephrite makes it a broader hard-rock and float locality than the single-material Sweetwater agate stops nearby.
Agate, Chalcedony, Gold, Nephrite Jade
Top pickWarm Springs
PublicFremont County
Warm Springs is a strong Granite Mountains-area pick because it combines Wyoming jade targets with agate, jasper, chalcedony, quartz, and silicified wood in one public-land collecting corridor. WSGS identifies jade as Wyoming's best-known gemstone and also lists agate, petrified wood, and quartz crystals among the state's important collector materials.
Agate, Chalcedony, Jasper, Jade
Spots in Fremont County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Atlantic CityRiverview Cutoff | 42.4895, -108.7275 | Public | |
| Copper MountainBadwater Road |
| 43.3799, -107.8843 | Public |
| Fort Washakie | 43.1318, -108.9788 | Public | |
| Fremont CountyContinental Divide National Scenic Trail | 42.5377, -108.9406 | Public | |
| Fremont County |
| 42.3204, -107.5345 | Public |
| Green MountainGreen Mountain Road |
| 42.3574, -107.7236 | Public |
| LanderSquaw Creek Road | 42.8234, -108.7926 | Public | |
| Owl Creek | 43.7110, -109.1956 | Public | |
| Sage Hen Creek | 42.5813, -107.5826 | Public | |
| Shoshoni | 43.2023, -108.0641 | Public | |
| South Pass CityAtlantic City Road | 42.4705, -108.7692 | Public | |
| SweetwaterGraham Road |
| 42.5605, -108.1254 | Public |
| Sweetwater River | 42.4473, -108.9958 | Public | |
| ThermopolisArapahoe Ranch Road | 43.5110, -108.6258 | Public | |
| Warm SpringsEmigrant Trail |
| 42.4908, -108.1721 | Public |
| Wind River & StreamsCountry Club Drive | 43.0180, -108.4526 | Public |
Neighboring counties in Wyoming
Adjacent rockhounding counties, ranked by how close their centroids sit to Fremont County. A natural extension if Fremont County is already on your trip plan.
- Natrona County~79 mi6 spotsTop: Agate, Chalcedony, Alabaster
- Sweetwater County~83 mi10 spotsTop: Agate, Chalcedony, Jasper
- Park County~106 mi4 spotsTop: Agate, Anhydrite, Azurite
- Carbon County~120 mi8 spotsTop: Opalized Wood, Autunite, Azurite
- Big Horn County~129 mi6 spotsTop: Fossils, Gastroliths, Gypsum
- Lincoln County~130 mi2 spotsTop: Chalcedony, Chert, Jasper
Fremont County FAQ
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