Buffalo Gap — Rockhounding in Custer County, South Dakota

Buffalo Gap is a mapped rockhounding spot in Custer County, South Dakota. Reported finds include fairfield agates. Below: coordinates, access notes, nearby spots, and trip-planning links.

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.

Found at Buffalo Gap

Each chip links to all spots in the U.S. that produce that material.

Fairfield Agates

Nearby rockhounding spots

Other rockhounding spots within driving distance of Buffalo Gap.

Buffalo Gap FAQ

Where is Buffalo Gap?+

Buffalo Gap is in Custer County, South Dakota, at 43.48871, -103.43419.

What rocks and minerals can you find at Buffalo Gap?+

Buffalo Gap is reported to produce Fairfield Agates.

Is collecting allowed at Buffalo Gap?+

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. Always confirm current rules with the managing agency before a trip.

How do I get to Buffalo Gap?+

Open the directions link to navigate to 43.48871, -103.43419 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in South Dakota

See all 43 South Dakota spots →

Open Buffalo Gap on the map

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