Yellowstone River - Laurel Sportsman Access: Montana Moss Agate & Petrified Wood Rockhounding in Yellowstone County, Montana
Updated August 2026
Yellowstone River - Laurel Sportsman Access is a mapped rockhounding spot in Yellowstone County, Montana. Reported finds include montana moss agate, petrified wood, jasper, chalcedony. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Yellowstone River - Laurel Sportsman Access in Yellowstone County, Montana
Quick details
- Access
- Public area
- County
- Yellowstone County
- State
- Montana
- Nearest road
- Sportsman Park Road
- Coordinates
- 45.61161, -108.84178
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.
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:
- 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 Yellowstone River - Laurel Sportsman Access
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Yellowstone River - Laurel Sportsman Access.
- FrombergCarbon County, Montana · 16 mi awayCoal, Pyrite
- Yellowstone River - Blue Creek AccessYellowstone County, Montana · 17 mi awayMontana Moss Agate, Petrified Wood, Jasper
- Yellowstone River - Holmgren Fishing AccessStillwater County, Montana · 25 mi awayMontana Moss Agate, Petrified Wood, Jasper
- Yellowstone River (Billings area)Top pick in MontanaYellowstone County, Montana · 32 mi awayMontana Agate, Chalcedony, Chert
- Pryor MountainsTop pick in MontanaBig Horn County, Montana · 38 mi awayFossil, Agate, Chalcedony
- Yellowstone River - Bratten Fishing AccessSweet Grass County, Montana · 39 mi awayMontana Moss Agate, Petrified Wood, Jasper
- Bear CanyonCarbon County, Montana · 40 mi awayGeode, Agate
- Yellowstone River - Pelican Fishing AccessSweet Grass County, Montana · 46 mi awayMontana Moss Agate, Petrified Wood, Jasper
Across the state line from Yellowstone River - Laurel Sportsman Access
Yellowstone River - Laurel Sportsman Access is close enough to the Montana border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Big Horn RiverBig Horn County, Wyoming · 53 mi awayDry Head Agate
- LovellBig Horn County, Wyoming · 66 mi awayGypsum, Fossil
- LovellBig Horn County, Wyoming · 68 mi awayFossil, Ammonite, Dinosaur Bone
- Rattlesnake MountainPark County, Wyoming · 77 mi awayAnhydrite
- Cedar MountainPark County, Wyoming · 79 mi awayTravertine
