Crystal Butte — Rockhounding in Fremont County, Idaho
Crystal Butte is a mapped rockhounding spot in Fremont County, Idaho. Reported finds include andesine. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Crystal Butte in Fremont County, Idaho
Quick details
- Access
- Public area
- County
- Fremont County
- State
- Idaho
- Coordinates
- 44.29176, -111.70045
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:
- Idaho Panhandle National Forests — Emerald Creek
- Idaho Geological Survey
- Spencer Opal Mines (fee-dig operator)
- Community submissions reviewed against published agency rules
Found at Crystal Butte
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- AndesineEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Crystal Butte.
- Spencer Opal MineClark County, Idaho · 24 mi awayFire Opal
- Camas CreekJefferson County, Idaho · 32 mi awayTopaz, Fire Opal
- Big Lost RiverButte County, Idaho · 67 mi awayGeode, Amethyst
- Lane’s CreekCaribou County, Idaho · 96 mi awayHematite
- Ima MineLemhi County, Idaho · 100 mi awayTungsten, Tetrahedrite, Chalcopyrite
- Moonlight MineBannock County, Idaho · 101 mi awayBornite, Chalcocite
- Antelope Creek areaButte County, Idaho · 101 mi awayGeode, Quartz, Amethyst
- Empire MineCuster County, Idaho · 102 mi awayPurple Fluorite
Across the state line from Crystal Butte
Crystal Butte is close enough to the Idaho border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Bakers HoleGallatin County, Montana · 42 mi awayAgate
- Gravelly RangeMadison County, Montana · 56 mi awayOnyx
- EnnisMadison County, Montana · 63 mi awayAndalusite, Kyanite, Sillimanite
- Virginia CityMadison County, Montana · 69 mi awayGarnet, Gold
- Ruby RiverTop pick in MontanaMadison County, Montana · 70 mi awayAlmandine Garnet
- MinerPark County, Montana · 73 mi awayAgate, Chalcedony, Jasper
