Where to Find Lake Superior Agate in Minnesota
31 mapped lake superior agate rockhounding spots in Minnesota, across 17 counties. Lake Superior agate is a banded chalcedony eroded out of basaltic flows around the Lake Superior basin.
Map of 31 lake superior agate rockhounding spots in Minnesota
Lake Superior Agate by county in Minnesota
Counties ranked by number of lake superior agate spots in our database.
- Saint Louis County6 spots
- Lake County4 spots
- Carlton County3 spots
- Winona County3 spots
- Hennepin County2 spots
- Olmsted County2 spots
- Blue Earth County1 spot
- Chippewa County1 spot
- Cook County1 spot
- Crow Wing County1 spot
- Dakota County1 spot
- Faribault County1 spot
- Goodhue County1 spot
- Morrison County1 spot
- Ramsey County1 spot
- Swift County1 spot
- Wabasha County1 spot
Every lake superior agate spot in Minnesota
Sorted by county. Coordinates open in Google Maps. Click a row for details.
Lake Superior Agate in Minnesota FAQ
Where can I find lake superior agate in Minnesota?+
RockHoundR tracks 31 lake superior agate spots in Minnesota, spread across 17 counties. The strongest concentration is in Saint Louis County.
Is collecting lake superior agate legal in Minnesota?+
Casual hand collection of common rocks and minerals like lake superior agate is allowed on most BLM and U.S. Forest Service land in Minnesota, 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 lake superior agate location in Minnesota?+
Saint Louis County has the most lake superior agate spots in our database for Minnesota. The full county breakdown is below — different counties produce different qualities and varieties.
