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.

SpotCountyMineralsCoordinatesAccess
McClain State ParkBear Lake RoadHoughton County47.2368, -88.6147Public
Keweenaw PointKeweenaw County47.4079, -87.7115Public
Lake Superior BeachLakeshore RoadOntonagon County46.8713, -89.3352Public

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.

Other states for chert

Other minerals to find in Michigan

Hunt chert in Michigan on the map

Open RockHoundR for live land overlays, weather, geology, and saved spots.

Download on the App StoreGet it on Google Play