Finnegan Ridge — Rockhounding in Madison County, Montana

Finnegan Ridge is a mapped rockhounding spot in Madison County, Montana. Reported finds include chert, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Madison County
State: Montana
Coordinates: 45.50377, -111.38319

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 Finnegan Ridge

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of Finnegan Ridge.

Finnegan Ridge FAQ

Where is Finnegan Ridge?+

Finnegan Ridge is in Madison County, Montana, at 45.50377, -111.38319.

What rocks and minerals can you find at Finnegan Ridge?+

Finnegan Ridge is reported to produce Chert, Jasper.

Is collecting allowed at Finnegan Ridge?+

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 Finnegan Ridge?+

Open the directions link to navigate to 45.50377, -111.38319 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Montana

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Open Finnegan Ridge on the map

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