Black Rock Springs: Garnet & Ruby Rockhounding in Sweetwater County, Wyoming

Updated August 2026

Black Rock Springs is a mapped rockhounding spot in Sweetwater County, Wyoming. Reported finds include garnet, ruby, peridot, diopside, emerald. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Sweetwater County
State: Wyoming
Coordinates: 41.86999, -108.79541

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

Found at Black Rock 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 Black Rock Springs.

Across the state line from Black Rock Springs

Black Rock Springs is close enough to the Wyoming border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Black Rock Springs FAQ

Where is Black Rock Springs?+

Black Rock Springs is in Sweetwater County, Wyoming, at 41.86999, -108.79541.

What rocks and minerals can you find at Black Rock Springs?+

Black Rock Springs is reported to produce Garnet, Ruby, Peridot, Diopside, Emerald.

Is collecting allowed at Black Rock 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.

What tools should I bring to Black Rock Springs?+

A rock hammer, a sieve, and a small shovel work well for garnet-type minerals, which concentrate as resistant grains in soils and creek gravels.

How do I get to Black Rock Springs?+

Open the directions link to navigate to 41.86999, -108.79541 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Wyoming

See all 92 Wyoming spots →

Open Black Rock Springs on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.