Casper — Rockhounding in Natrona County, Wyoming

Casper is a mapped rockhounding spot in Natrona County, Wyoming. Reported finds include agate, alabaster, amazonite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Natrona County
State: Wyoming
Nearest road: Bryan-Evansville Road
Postcode: 82605
Coordinates: 42.86227, -106.28537

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 Casper

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 Casper.

Casper FAQ

Where is Casper?+

Casper is in Natrona County, Wyoming, at 42.86227, -106.28537. Nearest road: Bryan-Evansville Road.

What rocks and minerals can you find at Casper?+

Casper is reported to produce Agate, Alabaster, Amazonite.

Is collecting allowed at Casper?+

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.

How do I get to Casper?+

Open the directions link to navigate to 42.86227, -106.28537 in Google Maps. The nearest road is Bryan-Evansville Road.

More rockhounding in Wyoming

See all 82 Wyoming spots →

Open Casper on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.