Buffalo Gap — Rockhounding in Custer County, South Dakota
Buffalo Gap is a mapped rockhounding spot in Custer County, South Dakota. Reported finds include fairfield agate. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Buffalo Gap in Custer County, South Dakota
Quick details
- Access
- Public area
- County
- Custer County
- State
- South Dakota
- Coordinates
- 43.48871, -103.43419
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.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Buffalo Gap
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- Fairfield AgateEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Buffalo Gap.
- PringleCuster County, South Dakota · 11 mi awayFairhill Agate
- Parker PeakFall River County, South Dakota · 13 mi awayAgatized Wood, Silicified Wood
- Pleasant Valley CreekCuster County, South Dakota · 15 mi awayBanded Agate, Jade, Jasper
- FairburnCuster County, South Dakota · 20 mi awayFairburn Agate
- Cheyenne RiverCuster County, South Dakota · 22 mi awayFairburn Agate
- Tin MountainCuster County, South Dakota · 23 mi awayFluorapatite, Quartz, Almandine Garnet
- FairburnCuster County, South Dakota · 24 mi awayFairburn Agate, Agatized Wood, Yellow Jasper
- Laughing Water CreekCuster County, South Dakota · 25 mi awayColumbite, Gold, Silver
Across the state line from Buffalo Gap
Buffalo Gap is close enough to the South Dakota border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- OrellaDawes County, Nebraska · 39 mi awayFairburn Agate, Jasper, Carnelian
- NewcastleWeston County, Wyoming · 41 mi awayGypsum
- MontroseSioux County, Nebraska · 42 mi awayAgate, Jasper, Fossils
- Little BadlandsSioux County, Nebraska · 44 mi awayVertebrate Fossils
- ChadronDawes County, Nebraska · 47 mi awayChalcedony, Blue Chalcedony
- Whiteclay (Fairburn area)Sheridan County, Nebraska · 53 mi awayFairburn Agate, Jasper, Chalcedony
Buffalo Gap FAQ
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What rocks and minerals can you find at Buffalo Gap?+
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More rockhounding in South Dakota
See all 43 South Dakota spots →Open Buffalo Gap on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
