Little Marais River — Rockhounding in Lake County, Minnesota

Little Marais River is a mapped rockhounding spot in Lake County, Minnesota. Reported finds include thomsonite, zeolites. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Little Marais River in Lake County, Minnesota

Quick details

Access
Public area
Nearest road
MN 61

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.

Found at Little Marais River

Each chip links to all spots in the U.S. that produce that material.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Little Marais River.

Little Marais River FAQ

Where is Little Marais River?+
Little Marais River is in Lake County, Minnesota, at 47.41437, -91.09929. Nearest road: MN 61.
What rocks and minerals can you find at Little Marais River?+
Little Marais River is reported to produce Thomsonite, Zeolites.
Is collecting allowed at Little Marais River?+
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. Always confirm current rules with the managing agency before a trip.
How do I get to Little Marais River?+
Open the directions link to navigate to 47.41437, -91.09929 in Google Maps. The nearest road is MN 61.

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