Little Marais River — Rockhounding in Lake County, Minnesota
Little Marais River is a mapped rockhounding spot in Lake County, Minnesota. Reported finds include thomsonite, zeolite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Little Marais River in Lake County, Minnesota
Quick details
- Access
- Public area
- County
- Lake County
- State
- Minnesota
- Nearest road
- MN 61
- Coordinates
- 47.41437, -91.09929
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Little Marais River
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- ThomsoniteEncyclopedia →
- ZeoliteEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Little Marais River.
- Beaver BayLake County, Minnesota · 14 mi awayLake Superior Agate, Thomsonite
- Gull RockLake County, Minnesota · 18 mi awayLake Superior Agate
- Kelsey BeachLake County, Minnesota · 35 mi awayLake Superior Agate
- Thomsonite BeachCook County, Minnesota · 37 mi awayChlorastrolite, Lintonite, Thomsonite Nodules
- Grand MaraisCook County, Minnesota · 42 mi awayLintonite, Thomsonite
- Knife River beachesLake County, Minnesota · 45 mi awayLake Superior Agate
- WintonSaint Louis County, Minnesota · 48 mi awayLake Superior Agate, Evergreen Jasper
- ElySaint Louis County, Minnesota · 50 mi awayJasper, Quartz, Chalcedony
Across the state line from Little Marais River
Little Marais River is close enough to the Minnesota border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Bayfield CountyBayfield County, Wisconsin · 60 mi awayAgate, Jasper
- AnniconDouglas County, Wisconsin · 66 mi awayCopper
- Near Saxon FallsIron County, Wisconsin · 70 mi awayCalcite, Chlorite, Epidote
- General AreaAshland County, Wisconsin · 72 mi awayCopper
- Iron CountyIron County, Wisconsin · 77 mi awayAgate, Jasper
- Montreal MineIron County, Wisconsin · 79 mi awayActinolite, Barite, Selenite
Little Marais River FAQ
Where is Little Marais River?+
What rocks and minerals can you find at Little Marais River?+
Is collecting allowed at Little Marais River?+
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More rockhounding in Minnesota
See all 49 Minnesota spots →Open Little Marais River on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
