Best Rockhounding Spots in Minnesota
Free rockhounding locations, pay-to-dig mines, permit rules, and community field notes for Minnesota
Top Minerals Found in Minnesota
- 💎Lake Superior agate (state gemstone)
- 💎Thomsonite
- 💎Copper (native)
- 💎Taconite
- 💎Jasper
- 💎Fossil stromatolites
Best Regions to Explore
Best Season to Visit
Late summer after storms stir up the Lake Superior shoreline.
Expert Collecting Tips
Lake Superior agates — iron-banded chalcedony — are found along the North Shore in gravel beaches. Thomsonite is a rare zeolite found only near Grand Marais and is highly prized by collectors.
⭐ Minnesota Rockhounding Highlight
Minnesota's Lake Superior agates are among the most collected rocks in the Upper Midwest, prized for their vivid red and orange iron banding.
Pay-To-Dig Mines in Minnesota
Fee-based mining experiences where you keep what you find.
Lake Superior Agate Beaches
Two Harbors, Minnesota
💰 Free
Hunt for Minnesota's state gemstone — the Lake Superior Agate — along the rocky shores of Lake Superior. Also find thomsonite and chalcedony.
Thomsonite Beach Collecting
Grand Marais, Minnesota
💰 Free
One of the few places in the world to find thomsonite — a rare pink and green zeolite mineral. Also hunt for Lake Superior agates.
Moose Lake Agate Panning
Moose Lake, Minnesota
💰 $8-$20
Gem panning for Lake Superior agates in the heart of Minnesota's agate country. The area hosts the annual Agate Days festival.
Free Rockhounding Locations in Minnesota
Public and permitted sites where you can hunt for gems and minerals.
North Shore Agate Beaches
Two Harbors, Minnesota
Hunt for Minnesota's state gemstone along Lake Superior's North Shore. The banded Lake Superior agate is found in beach gravels.
Thomsonite Beach
Grand Marais, Minnesota
One of the world's few locations for thomsonite — a rare pink and green zeolite mineral found along the Lake Superior shoreline.
Moose Lake Agate Beds
Moose Lake, Minnesota
Glacial gravel pits around Moose Lake produce some of the finest Lake Superior agates. The area hosts the annual Agate Days festival.
Dig Permits & Regulations in Minnesota
What you need to know before you dig — rules vary by land type.
Minnesota DNR State Parks
Collection of rocks and minerals is prohibited in Minnesota State Parks. Lake Superior agates are a popular target on public lake beaches outside park boundaries.
Minnesota DNR - Public Lake Shorelines
Collecting Lake Superior agates and other rocks on public shorelines is generally allowed. Tettegouche and Split Rock areas are popular.
Rockhounding in Minnesota — FAQ
Where can I go rockhounding in Minnesota?
Minnesota has 3 documented free dig sites and 3 pay-to-dig mines in our database. Use the interactive map to find exact coordinates.
What gems can you find in Minnesota?
Common finds in Minnesota include Lake Superior Agate, Thomsonite, Chalcedony, Quartz, Jasper. Results vary by site and season.
Do you need a permit to rockhound in Minnesota?
Many areas in Minnesota allow casual collecting without a permit. Always verify with the land management agency before you dig.
What tools do I need for rockhounding in Minnesota?
Bring a rock hammer, chisels, safety glasses, gloves, and sturdy boots. A field guide and the We Lick Rocks AI rock identifier app are also great to have on hand.