Surprise Claim — Rockhounding in Mariposa County, California

Surprise Claim is a mapped rockhounding spot in Mariposa County, California. Reported finds include rhodochrosite, rhodonite, spessartine garnet. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Mariposa County
State: California
Coordinates: 37.65833, -120.05444

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.

Found at Surprise Claim

Each chip links to all spots in the U.S. that produce that material.

Rhodochrosite
Rhodonite
Spessartine Garnet

Nearby rockhounding spots

Other rockhounding spots within driving distance of Surprise Claim.

Surprise Claim FAQ

Where is Surprise Claim?+

Surprise Claim is in Mariposa County, California, at 37.65833, -120.05444.

What rocks and minerals can you find at Surprise Claim?+

Surprise Claim is reported to produce Rhodochrosite, Rhodonite, Spessartine Garnet.

Is collecting allowed at Surprise Claim?+

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 Surprise Claim?+

Open the directions link to navigate to 37.65833, -120.05444 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in California

See all 97 California spots →

Open Surprise Claim on the map

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