Rockhounding in Custer County, Montana

1 mapped rockhounding spot in Custer County. Most commonly produces montana agate.

Map showing 1 rockhounding spot in Custer County, Montana

Minerals reported in Custer County

  • Montana Agate1

Spots in Custer County

SpotMineralsCoordinatesAccess
Custer County
  • Montana Agate
46.3963, -105.8981Public

Other rockhounding counties in Montana

Custer County FAQ

Where can I rockhound in Custer County, Montana?+
RockHoundR tracks 1 rockhounding spot in Custer County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Custer County?+
Spots in Custer County most often produce Montana Agate. Individual spots can vary widely.
Are these Custer County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Custer County rockhounding trip

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