Best spot

Seiling & Taloga: Agate & Jasper Rockhounding in Dewey County, Oklahoma

Updated July 2026

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. Petrified wood here occurs both as river-worn cobbles and, less often, still in place. The broad gravel country gives collectors ground to cover across the county. Reported finds include agate, jasper, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Seiling & Taloga photos

Public image records connected to this spot or its reported material.

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

Quick details

Access: Permission required
County: Dewey County
State: Oklahoma
Nearest road: US 183
Coordinates: 36.09254, -98.95259

Geology at Seiling & Taloga

This spot sits on Rush Springs Formation, mapped as sandstone that formed roughly 300 to 250 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.

Mapped unit: Rush Springs Formation
Age: 300–250 Ma (Permian)
Rock types: sandstone
Elevation: 1,860 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Seiling & Taloga

Best months: September to June. Typical highs run 95°F in midsummer and 49°F in midwinter, with winter lows near 21°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, TALOGA station (4 mi away), adjusted for elevation.

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Seiling & Taloga

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 Seiling & Taloga.

Across the state line from Seiling & Taloga

Seiling & Taloga is close enough to the Oklahoma border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Seiling & Taloga FAQ

Where is Seiling & Taloga?+

Seiling & Taloga is in Dewey County, Oklahoma, at 36.09254, -98.95259. Nearest road: US 183.

What rocks and minerals can you find at Seiling & Taloga?+

Seiling & Taloga is reported to produce Agate, Jasper, Petrified Wood.

Is collecting allowed at Seiling & Taloga?+

Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Seiling & Taloga?+

A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.

When is the best time to visit Seiling & Taloga?+

The most comfortable months at Seiling & Taloga are September to June. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to Seiling & Taloga?+

Open the directions link to navigate to 36.09254, -98.95259 in Google Maps. The nearest road is US 183.

More rockhounding in Oklahoma

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