Red Rock Mine & Garnet Gallery: Garnet Rockhounding in Madison County, Montana

Quick details

Access

Paid / fee dig

County

Madison County

State

Montana

Nearest road

MT 287

Coordinates

45.31947, -112.05178

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.

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.

State guidance last verified: April 1, 2026

• BLM Montana, Recreational mineral collecting
• Montana Bureau of Mines and Geology
• Gem Mountain Sapphire Mine (fee-dig operator)
• Community submissions reviewed against published agency rules

Found at Red Rock Mine & Garnet Gallery

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

• GarnetEncyclopedia →