Gem Mountain — Rockhounding in Madison County, Montana

Gem Mountain is a mapped rockhounding spot in Madison County, Montana. Reported finds include sapphires. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Paid / fee dig
County: Madison County
State: Montana
Coordinates: 45.34300, -112.35600

Land & collecting status

Pay-to-dig site

This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.

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 Gem Mountain

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

Sapphires

Nearby rockhounding spots

Other rockhounding spots within driving distance of Gem Mountain.

Gem Mountain FAQ

Where is Gem Mountain?+

Gem Mountain is in Madison County, Montana, at 45.34300, -112.35600.

What rocks and minerals can you find at Gem Mountain?+

Gem Mountain is reported to produce Sapphires.

Is collecting allowed at Gem Mountain?+

Pay-to-dig site. This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out. Always confirm current rules with the managing agency before a trip.

How do I get to Gem Mountain?+

Open the directions link to navigate to 45.34300, -112.35600 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Montana

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Open Gem Mountain on the map

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