Thermopolis — Rockhounding in Fremont County, Wyoming

Thermopolis is a mapped rockhounding spot in Fremont County, Wyoming. Reported finds include copper, limonite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Fremont County
State: Wyoming
Nearest road: Arapahoe Ranch Road
Coordinates: 43.51100, -108.62583

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.

Found at Thermopolis

Each chip links to all spots in the U.S. that produce that material.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Thermopolis.

Thermopolis FAQ

Where is Thermopolis?+

Thermopolis is in Fremont County, Wyoming, at 43.51100, -108.62583. Nearest road: Arapahoe Ranch Road.

What rocks and minerals can you find at Thermopolis?+

Thermopolis is reported to produce Copper, Limonite.

Is collecting allowed at Thermopolis?+

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. Always confirm current rules with the managing agency before a trip.

How do I get to Thermopolis?+

Open the directions link to navigate to 43.51100, -108.62583 in Google Maps. The nearest road is Arapahoe Ranch Road.

More rockhounding in Wyoming

See all 82 Wyoming spots →

Open Thermopolis on the map

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