Seminoe Reservoir — Rockhounding in Carbon County, Wyoming
Seminoe Reservoir represents the Seminoe Mountains side of Wyoming's jade and lapidary-rock story, with WSGS noting silicified banded iron formation from the Seminoe Mountains alongside the state's better-known jade resources. It earns a top-10 place because it broadens the Wyoming set into Carbon County while staying tied to a distinctive hard, polishable material. Reported finds include jade. Below: coordinates, access notes, nearby spots, and trip-planning links.
Seminoe Reservoir photos
Public image records connected to this spot or its reported material, with source and license attribution.
Map showing Seminoe Reservoir in Carbon County, Wyoming
Quick details
- Access
- Public area
- County
- Carbon County
- State
- Wyoming
- Coordinates
- 41.88919, -106.97522
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:
- BLM Wyoming
- Wyoming State Geological Survey
- Fossil Butte National Monument
- Community submissions reviewed against published agency rules
Found at Seminoe Reservoir
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 Seminoe Reservoir.
- SaratogaCarbon County, Wyoming · 28 mi awayOpalized Wood
- Fremont CountyFremont County, Wyoming · 41 mi awaySweetwater Agate, Nephrite Jade, Jade
- Granite MountainsNatrona County, Wyoming · 42 mi awayChalcedony
- Sweetwater RiverNatrona County, Wyoming · 45 mi awaySweetwater Agate
- Como RidgeCarbon County, Wyoming · 46 mi awayPetrified Dinosaur Bone
- Shirley BasinCarbon County, Wyoming · 48 mi awayOpalized Wood
- Creede MineCarbon County, Wyoming · 48 mi awayCobaltite, Erythrite, Linnaeite
- Sierra MadreCarbon County, Wyoming · 49 mi awayCopper, Cobalt
Seminoe Reservoir FAQ
Why is Seminoe Reservoir one of the best rockhounding spots in Wyoming?+
Where is Seminoe Reservoir?+
What rocks and minerals can you find at Seminoe Reservoir?+
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More rockhounding in Wyoming
See all 82 Wyoming spots →Open Seminoe Reservoir on the map
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