Rockhounding in Sanilac County, Michigan
3 mapped rockhounding spots in Sanilac County. Most commonly produces brachiopod, charlevoix stone, gowganda tillite, horn coral.
Map showing 3 rockhounding spots in Sanilac County, Michigan
Minerals reported in Sanilac County
- Brachiopod1
- Charlevoix Stone1
- Gowganda Tillite1
- Horn Coral1
- Petoskey Stone1
- Puddingstone1
- Quartz1
- Stinkstone1
Spots in Sanilac County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Delaware Park | 43.6149, -82.5982 | Check locally | |
| Lake Huron Roadside Park |
| 43.4042, -82.5392 | Public |
| Sanilac County Lexington Park | 43.3155, -82.5341 | Public |
Neighboring counties in Michigan
Adjacent rockhounding counties, ranked by how close their centroids sit to Sanilac County. A natural extension if Sanilac County is already on your trip plan.
- Saint Clair County~26 mi6 spotsTop: Cold Water Agate, Petoskey Stone, Puddingstone
- Huron County~42 mi4 spotsTop: Marcasite
- Alcona County~97 mi3 spotsTop: Granite, Petoskey Stone, Puddingstone
- Alpena County~122 mi2 spotsTop: Brachiopod, Horn Coral, Blastoid
- Presque Isle County~144 mi5 spotsTop: Granite, Quartz, Agate
Sanilac County FAQ
Where can I rockhound in Sanilac County, Michigan?+
RockHoundR tracks 3 rockhounding spots in Sanilac County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Sanilac County?+
Spots in Sanilac County most often produce Brachiopod, Charlevoix Stone, Gowganda Tillite, Horn Coral, Petoskey Stone. Individual spots can vary widely.
Are these Sanilac 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.
