Baggs: Coffinite & Ilsemannite Rockhounding in Carbon County, Wyoming

Updated July 2026

Baggs is a mapped rockhounding spot in Carbon County, Wyoming. Reported finds include coffinite, ilsemannite, autunite, pyrite, uranophane, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Permission required
County: Carbon County
State: Wyoming
Nearest road: WY 789
Coordinates: 41.08940, -107.59371

Geology at Baggs

This spot sits on ground mapped as Red Rim Member of the Lance Formation that formed roughly 100 to 66 million years ago. Ore minerals here are typically tied to veins and replacement zones, with old workings marking the productive ground.

Mapped unit: Red Rim Member of the Lance Formation
Age: 100–66 Ma (Late Cretaceous)
Elevation: 6,560 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.

Best time to visit Baggs

Best months: March to October. Typical highs run 86°F in midsummer and 31°F in midwinter, with winter lows near 6°F.

Climate normals: NOAA 1991-2020 monthlies, BAGGS station (5 mi away), adjusted for elevation.

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.

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: April 1, 2026

BLM Wyoming
Wyoming State Geological Survey
Fossil Butte National Monument
Community submissions reviewed against published agency rules

Found at Baggs

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 Baggs.

Baggs FAQ

Where is Baggs?+

Baggs is in Carbon County, Wyoming, at 41.08940, -107.59371. Nearest road: WY 789.

What rocks and minerals can you find at Baggs?+

Baggs is reported to produce Coffinite, Ilsemannite, Autunite, Pyrite, Uranophane, Uraninite.

Is collecting allowed at Baggs?+

Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Baggs?+

A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.

When is the best time to visit Baggs?+

The most comfortable months at Baggs are March to October.

How do I get to Baggs?+

Open the directions link to navigate to 41.08940, -107.59371 in Google Maps. The nearest road is WY 789.

More rockhounding in Wyoming

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Open Baggs on the map

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