Rockhounding in Pennington County, South Dakota

6 mapped rockhounding spots in Pennington County. Most commonly produces aquamarine, beryl, agate, amethyst.

Map showing 6 rockhounding spots in Pennington County, South Dakota

Minerals reported in Pennington County

Spots in Pennington County

SpotMineralsCoordinatesAccess
Hill CityCampaign Hill Road43.9333, -103.5941Public
KeystoneBlair Street43.8950, -103.4173Public
Pennington CountyHighway 141644.1079, -103.0245Public
Rapid CityPurple Heart Memorial Highway44.0943, -102.5015Public
RochfordSouth Rochford Road44.0983, -103.7740Public
ScenicEast Highway 4443.7522, -102.4966Public

Neighboring counties in South Dakota

Adjacent rockhounding counties, ranked by how close their centroids sit to Pennington County. A natural extension if Pennington County is already on your trip plan.

Across the state line from Pennington County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into South Dakota.

Pennington County FAQ

Where can I rockhound in Pennington County, South Dakota?+
RockHoundR tracks 6 rockhounding spots in Pennington County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Pennington County?+
Spots in Pennington County most often produce Aquamarine, Beryl, Agate, Amethyst, Arsenopyrite. Individual spots can vary widely.
Are these Pennington 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 Pennington County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.

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