Wind River & Streams: Agate & Chalcedony Rockhounding in Fremont County, Wyoming
- Minerals reported
- 3
- Elevation
- 4,990 ft
- Best months
- March to November
Wind River & Streams is a mapped rockhounding spot in Fremont County, Wyoming. Reported finds include agate, chalcedony, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Permission required before collecting
- County
- Fremont County
- State
- Wyoming
- Nearest road
- Country Club Drive
- Postcode
- 82501
- Coordinates
- 43.01800, -108.45256
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
Land & collecting status
Permission required before collecting
Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.
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.
Best time to visit Wind River & Streams
Comfortable months (45 to 90°F highs)
Best months: March to November. Typical highs run 90°F in midsummer and 33°F in midwinter, with winter lows near 10°F.
Climate normals: NOAA 1991-2020 monthlies, RIVERTON station (4 mi away), adjusted for elevation.
Geology at Wind River & Streams
This spot sits on Alluvium and Colluvium, mapped as clay, silt, and sand that formed within roughly the last 3 million years. Gravels like these concentrate whatever survives the river: agate, jasper, and other tough silica typically show up as rounded, waxy stones.
- Mapped unit
- Alluvium and Colluvium
- Age
- 3 Ma to present (Pleistocene to Holocene)
- Rock types
- clay, silt, and sand
- Elevation
- 4,990 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Today's weather
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The app shows live weather, recent rain, and a daily rockhounding score for Wind River & Streams.
Get the appSources & 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 Wind River & Streams
Each name 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 Wind River & Streams.
- LanderFremont County, Wyoming · 22 mi awayAgate, Jasper, Nephrite
- ShoshoniFremont County, Wyoming · 23 mi awayAquamarine, Beryl, Feldspar
- Fort WashakieFremont County, Wyoming · 28 mi awayMoss Agate, Chalcedony, Jasper
- ThermopolisFremont County, Wyoming · 35 mi awayCopper, Limonite
- Copper Mountain PegmatitesFremont County, Wyoming · 35 mi awayGarnet, Beryl, Lepidolite
- SweetwaterFremont County, Wyoming · 36 mi awaySweetwater Agate
- Copper MountainFremont County, Wyoming · 38 mi awayUranium
- Atlantic CityFremont County, Wyoming · 39 mi awayAgate, Chalcedony, Gold
Wind River & Streams FAQ
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More rockhounding in Wyoming
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