Rockhounding in Ontonagon County, Michigan
2 mapped rockhounding spots in Ontonagon County. Most commonly produces keweenaw agates, adularia, chalcedony, chert.
Map showing 2 rockhounding spots in Ontonagon County, Michigan
Minerals reported in Ontonagon County
- Keweenaw Agates2
- Adularia1
- Chalcedony1
- Chert1
- Jasper1
- Thomsonite1
Spots in Ontonagon County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Gull PointM 64 |
| 46.8361, -89.5495 | Public |
| Lake Superior BeachLakeshore Road |
| 46.8713, -89.3352 | Public |
Other rockhounding counties in Michigan
Ontonagon County FAQ
Where can I rockhound in Ontonagon County, Michigan?+
RockHoundR tracks 2 rockhounding spots in Ontonagon County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Ontonagon County?+
Spots in Ontonagon County most often produce Keweenaw Agates, Adularia, Chalcedony, Chert, Jasper. Individual spots can vary widely.
Are these Ontonagon 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.
