Thompson Springs — Rockhounding in Grand County, Utah

Thompson Springs is a mapped rockhounding spot in Grand County, Utah. Reported finds include agate, agatized clams, anhydrite, carnotite, gypsum, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Grand County
State: Utah
Nearest road: CR 146
Coordinates: 38.86572, -109.70446

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.

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 Utah — Rockhounding overview
Utah Geological Survey — collecting guidelines
SITLA — surface use rules
Community submissions reviewed against published agency rules

Found at Thompson Springs

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 Thompson Springs.

Thompson Springs FAQ

Where is Thompson Springs?+

Thompson Springs is in Grand County, Utah, at 38.86572, -109.70446. Nearest road: CR 146.

What rocks and minerals can you find at Thompson Springs?+

Thompson Springs is reported to produce Agate, Agatized Clams, Anhydrite, Carnotite, Gypsum, Jasper, Jasperized Dinosaur Bone, Petrified Wood.

Is collecting allowed at Thompson Springs?+

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 Thompson Springs?+

Open the directions link to navigate to 38.86572, -109.70446 in Google Maps. The nearest road is CR 146.

More rockhounding in Utah

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Open Thompson Springs on the map

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