Seminoe Agate Area
Rockhounding site in Sinclair, Wyoming · Agate & Jasper
Seminoe Agate Area is a agate rockhounding site near Sinclair, WY. Fee varies. Best season: June through September.
Typical season: June through September
Key facts
Structured details for trip planning — verify access and fees with the land manager before you visit.
- Specimen type
- Agate
- Primary specimens
- Agate, Chalcedony, Jasper
- Fee status
- Fee varies
- Nearest town
- Sinclair
- State
- Wyoming
- Coordinates
- 41.93000, -106.85000
- Best season
- June through September
- Access difficulty
- Moderate; remote dirt roads
- Camping
- Seminoe State Park
- Activities
- Agate hunting, reservoir recreation nearby
- Facilities
- Sinclair and Rawlins services
- Last updated
- July 5, 2026
What to pack for Seminoe Agate Area
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The experience
- Best time to visitJune through September
- AccessModerate; remote dirt roads
- FacilitiesSinclair and Rawlins services
- Camping nearbySeminoe State Park
Map & location
Sources & updates
Spotted outdated access, fees, or safety info? Send a correction with the page URL — we review every submission.
Safety notice: Field and weather conditions change with weather, season, and field conditions. Verify current conditions with local land managers before you go. Collect at your own risk — there are rarely rangers or land managers at these sites.