Gem Mountain Sapphire Mine — Rockhounding in Granite County, Montana

Gem Mountain Sapphire Mine is a mapped rockhounding spot in Granite County, Montana. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Gem Mountain Sapphire Mine in Granite County, Montana

Quick details

Access
Paid / fee dig
State
Montana

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.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Gem Mountain Sapphire Mine.

Gem Mountain Sapphire Mine FAQ

Where is Gem Mountain Sapphire Mine?+
Gem Mountain Sapphire Mine is in Granite County, Montana, at 46.24680, -113.59170.
What rocks and minerals can you find at Gem Mountain Sapphire Mine?+
Gem Mountain Sapphire Mine is on the rockhounding map but no minerals are listed in our reference. Open RockHoundR to see what other rockhounds have logged.
Is collecting allowed at Gem Mountain Sapphire Mine?+
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 Sapphire Mine?+
Open the directions link to navigate to 46.24680, -113.59170 in Google Maps. Some spots are remote — check road conditions before driving out.

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Open Gem Mountain Sapphire Mine on the map

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