Rockhounding in Cook County, Minnesota

4 mapped rockhounding spots in Cook County. Most commonly produces lintonite, chalcocite, chalcopyrite, chlorastrolite.

Map showing 4 rockhounding spots in Cook County, Minnesota

Minerals reported in Cook County

Spots in Cook County

SpotMineralsCoordinatesAccess
Arrowhead ParkNaniboujou Trail47.8150, -90.0508Public
Grand MaraisHarbor View Trail47.7446, -90.3531Public
Pigeon Point48.0030, -89.4972Public
Thomsonite BeachMN 61
  • Chlorastrolite
  • Lintonite
  • Thomsonite Nodules
47.7278, -90.4584Public

Other rockhounding counties in Minnesota

Cook County FAQ

Where can I rockhound in Cook County, Minnesota?+
RockHoundR tracks 4 rockhounding spots in Cook County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Cook County?+
Spots in Cook County most often produce Lintonite, Chalcocite, Chalcopyrite, Chlorastrolite, Lake Superior Agate. Individual spots can vary widely.
Are these Cook 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 Cook County rockhounding trip

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