Rockhounding in Dewey County, Oklahoma

1 mapped rockhounding spot in Dewey County. Most commonly produces agate, jasper, petrified wood.

Dewey County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

The historic Seiling Milling Company grain elevator in Seiling, Dewey County, Oklahoma; a town landmark in the region's agate and gravel country — Seiling & TalogaDewey County, Oklahoma

Minerals reported in Dewey County

Standout in Dewey County

Hand-picked spot in Dewey County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Seiling & Taloga
Permission
Dewey County
West-central Oklahoma along the Canadian and North Canadian river systems, around Seiling and Taloga in Dewey County, is known for agate, jasper, and petrified wood weathered from red-bed and gravel deposits.
Agate, Jasper, Petrified Wood

Spots in Dewey County

Spot	Minerals	Coordinates	Access
Seiling & TalogaUS 183	Agate Jasper Petrified Wood	36.0925, -98.9526	Permission

Neighboring counties in Oklahoma

Adjacent rockhounding counties, ranked by how close their centroids sit to Dewey County. A natural extension if Dewey County is already on your trip plan.

Across the state line from Dewey County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Oklahoma.

Barber County~74 miKansas · 4 spotsTop: Agate, Agatized Wood, Petrified Wood

Dewey County FAQ

Where can I rockhound in Dewey County, Oklahoma?+

RockHoundR tracks 1 rockhounding spot in Dewey County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Dewey County?+

Spots in Dewey County most often produce Agate, Jasper, Petrified Wood. Individual spots can vary widely.

Are these Dewey County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Dewey County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.