Where to Find Chert in Michigan
3 mapped chert rockhounding spots in Michigan, across 3 counties. Chert is reported at multiple rockhounding spots across the United States. Michigan is the spiritual home of Lake Superior agate hunting.
Map of 3 chert rockhounding spots in Michigan
Chert by county in Michigan
Counties ranked by number of chert spots in our database.
Every chert spot in Michigan
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| McClain State ParkBear Lake Road | Houghton County |
| 47.2368, -88.6147 | Public |
| Keweenaw Point | Keweenaw County |
| 47.4079, -87.7115 | Public |
| Lake Superior BeachLakeshore Road | Ontonagon County |
| 46.8713, -89.3352 | Public |
Chert in Michigan FAQ
Where can I find chert in Michigan?+
RockHoundR tracks 3 chert spots in Michigan, spread across 3 counties. The strongest concentration is in Houghton County.
Is collecting chert legal in Michigan?+
Casual hand collection of common rocks and minerals like chert is allowed on most BLM and U.S. Forest Service land in Michigan, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best chert location in Michigan?+
Houghton County has the most chert spots in our database for Michigan. The full county breakdown is below — different counties produce different qualities and varieties.
