Elm Creek: Gray Barite Rockhounding in Brule County, South Dakota

Updated June 2026

Elm Creek is a mapped rockhounding spot in Brule County, South Dakota. Reported finds include gray barite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Brule County
State: South Dakota
Nearest road: Elm Creek Road
Coordinates: 43.56577, -99.30588

Geology at Elm Creek

This spot sits on Pierre Shale, mapped as shale and bentonite that formed roughly 100 to 66 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Mapped unit: Pierre Shale
Age: 100–66 Ma (Late Cretaceous)
Rock types: shale and bentonite
Elevation: 1,410 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Elm Creek

Best months: March to November. Typical highs run 88°F in midsummer and 30°F in midwinter, with winter lows near 10°F.

Climate normals: NOAA 1991-2020 monthlies, CHAMBERLAIN 5 S station (12 mi away), adjusted for elevation.

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 Elm Creek

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Gray Barite Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Elm Creek.

Across the state line from Elm Creek

Elm Creek 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.

Elm Creek FAQ

Where is Elm Creek?+

Elm Creek is in Brule County, South Dakota, at 43.56577, -99.30588. Nearest road: Elm Creek Road.

What rocks and minerals can you find at Elm Creek?+

Elm Creek is reported to produce Gray Barite.

Is collecting allowed at Elm Creek?+

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.

What tools should I bring to Elm Creek?+

A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.

When is the best time to visit Elm Creek?+

The most comfortable months at Elm Creek are March to November.

How do I get to Elm Creek?+

Open the directions link to navigate to 43.56577, -99.30588 in Google Maps. The nearest road is Elm Creek Road.

More rockhounding in South Dakota

See all 43 South Dakota spots →

Open Elm Creek on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.