Rockhounding in Mariposa County, California
4 mapped rockhounding spots in Mariposa County. Most commonly produces chromite, jade, mariposite, rhodochrosite.
Map showing 4 rockhounding spots in Mariposa County, California
Minerals reported in Mariposa County
- Chromite1
- Jade1
- Mariposite1
- Rhodochrosite1
- Rhodonite1
- Spessartine Garnet1
Spots in Mariposa County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Purcell-Griffin Mine | 37.6622, -120.1956 | Public | |
| Surprise Claim |
| 37.6583, -120.0544 | Public |
| Unnamed Location (Jade) | 37.6463, -120.1177 | Public | |
| Unnamed Location (Mariposite)CA 132 |
| 37.7132, -120.2122 | Public |
Neighboring counties in California
Adjacent rockhounding counties, ranked by how close their centroids sit to Mariposa County. A natural extension if Mariposa County is already on your trip plan.
Across the state line from Mariposa County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into California.
Mariposa County FAQ
Where can I rockhound in Mariposa County, California?+
RockHoundR tracks 4 rockhounding spots in Mariposa County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Mariposa County?+
Spots in Mariposa County most often produce Chromite, Jade, Mariposite, Rhodochrosite, Rhodonite. Individual spots can vary widely.
Are these Mariposa County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.
Plan a Mariposa County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
