Jefferson River — Rockhounding in Madison County, Montana
Jefferson River is a mapped rockhounding spot in Madison County, Montana. Reported finds include agate, chalcedony, jasper, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Jefferson River in Madison County, Montana
Quick details
- Access
- Public area
- County
- Madison County
- State
- Montana
- Nearest road
- Primrose Lane
- Postcode
- 59751
- Coordinates
- 45.69019, -112.27452
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 Jefferson 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 Jefferson River.
- Mill CanyonMadison County · 7 mi awayTourmaline
- Bismark MineMadison County · 12 mi awayMolybdenite, Pyrite, Chalcopyrite
- South Boulder RiverMadison County · 15 mi awayQuartz
- PipestoneJefferson County · 19 mi awayAmethyst, Quartz
- WhitehallJefferson County · 19 mi awayGalena, Gold, Sphalerite
- Gem MountainMadison County · 24 mi awaySapphires
- ButteSilver Bow County · 26 mi awayBornite, Pisanite, Rhodochrosite
- Brown’s GulchSilver Bow County · 30 mi awaySapphire
Jefferson River FAQ
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More rockhounding in Montana
See all 87 Montana spots →Open Jefferson River on the map
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