Rockhounding in Pennington County, South Dakota
8 mapped rockhounding spots in Pennington County. Most commonly produces agate, aquamarine, beryl, chalcedony.
Map showing 8 rockhounding spots in Pennington County, South Dakota
Minerals reported in Pennington County
Spots in Pennington County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Cheyenne River - Buffalo Gap | 43.7642, -102.7247 | Public | |
| Hill CityCampaign Hill Road | 43.9333, -103.5941 | Public | |
| KeystoneBlair Street | 43.8950, -103.4173 | Public | |
| Pennington CountyHighway 1416 | 44.1079, -103.0245 | Public | |
| Railroad Buttes | 43.8878, -102.8413 | Public | |
| Rapid CityPurple Heart Memorial Highway | 44.0943, -102.5015 | Permission | |
| RochfordSouth Rochford Road | 44.0983, -103.7740 | Public | |
| ScenicEast Highway 44 | 43.7522, -102.4966 | Permission |
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.
- Custer County~30 mi13 spotsTop: Fairburn Agate, Agate, Almandine Garnet
- Meade County~31 mi5 spotsTop: Amber Barite, Barite, Calcite
- Oglala Lakota County~38 mi4 spotsTop: Agate, Chalcedony, Jasper
- Lawrence County~49 mi4 spotsTop: Amethyst, Chalcedony, Geode
- Fall River County~56 mi3 spotsTop: Agatized Wood, Fairburn Agate, Jasper
- Harding County~120 mi1 spotTop: Chalcedony, Moss Agate
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 8 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 Agate, Aquamarine, Beryl, Chalcedony, Fairburn Agate. 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.
