Warren Peak: Azurite & Malachite Rockhounding in Crook County, Wyoming

Updated June 2026

Warren Peak is a mapped rockhounding spot in Crook County, Wyoming. Reported finds include azurite, malachite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Crook County
State: Wyoming
Nearest road: Warren Peak Road
Coordinates: 44.47338, -104.44642

Geology at Warren Peak

This spot sits on ground mapped as Trachytic intrusive rocks that formed roughly 66 to 34 million years ago. Plutonic rock like this weathers slowly into grus and boulders, and the most productive collecting is typically in weathered zones and drainages.

Mapped unit: Trachytic intrusive rocks
Age: 66–34 Ma (Paleocene to Eocene)
Elevation: 6,300 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 Warren Peak

Best months: May to October. Typical highs run 73°F in midsummer and 30°F in midwinter, with winter lows near 13°F.

Climate normals: NOAA 1991-2020 monthlies, SUNDANCE 8 NNW station (3 mi away), adjusted for elevation.

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 Warren Peak

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 Warren Peak.

Across the state line from Warren Peak

Warren Peak 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.

Warren Peak FAQ

Where is Warren Peak?+

Warren Peak is in Crook County, Wyoming, at 44.47338, -104.44642. Nearest road: Warren Peak Road.

What rocks and minerals can you find at Warren Peak?+

Warren Peak is reported to produce Azurite, Malachite.

Is collecting allowed at Warren Peak?+

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 Warren Peak?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit Warren Peak?+

The most comfortable months at Warren Peak are May to October.

How do I get to Warren Peak?+

Open the directions link to navigate to 44.47338, -104.44642 in Google Maps. The nearest road is Warren Peak Road.

More rockhounding in Wyoming

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Open Warren Peak on the map

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