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Rattlesnake Mountain — Rockhounding in Park County, Wyoming

Rattlesnake Mountain is a mapped rockhounding spot in Park County, Wyoming. Reported finds include anhydrite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Rattlesnake Mountain in Park County, Wyoming

Quick details

Access
Public area
State
Wyoming

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:

Found at Rattlesnake Mountain

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 Rattlesnake Mountain.

Across the state line from Rattlesnake Mountain

Rattlesnake Mountain 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.

Rattlesnake Mountain FAQ

Where is Rattlesnake Mountain?+
Rattlesnake Mountain is in Park County, Wyoming, at 44.52733, -109.24111.
What rocks and minerals can you find at Rattlesnake Mountain?+
Rattlesnake Mountain is reported to produce Anhydrite.
Is collecting allowed at Rattlesnake Mountain?+
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 Rattlesnake Mountain?+
Open the directions link to navigate to 44.52733, -109.24111 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Wyoming

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