Rockhounding in Ontonagon County, Michigan
2 mapped rockhounding spots in Ontonagon County. Most commonly produces keweenaw agate, adularia, chalcedony, chert.
Map showing 2 rockhounding spots in Ontonagon County, Michigan
Minerals reported in Ontonagon County
- Keweenaw Agate2
- 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 |
Neighboring counties in Michigan
Adjacent rockhounding counties, ranked by how close their centroids sit to Ontonagon County. A natural extension if Ontonagon County is already on your trip plan.
Across the state line from Ontonagon 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 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 Agate, 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.
Plan a Ontonagon County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
