Rockhounding in Sioux County, Nebraska

4 mapped rockhounding spots in Sioux County. Most commonly produces fossils, agate, agatized wood, chalcedony.

Sioux County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

Whitehead Creek badlands in the Oglala National Grassland near Montrose, Sioux County, Nebraska — MontroseSioux County, Nebraska

Minerals reported in Sioux County

Standout in Sioux County

Hand-picked spot in Sioux County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Montrose
Public
Sioux County
A classic Sioux County agate ground in the far northwest, on the Oglala National Grassland side of the Pine Ridge.
Agate, Jasper, Fossils

Spots in Sioux County

Spot	Minerals	Coordinates	Access
Agate Fossil BedsRiver Road	Agate Jasper Chalcedony Fossils Opalized Wood Agatized Wood	42.4366, -103.7359	Public
Little BadlandsInterpretive Loop	Vertebrate Fossils	42.8577, -103.5864	Public
MontroseMontrose Road	Agate Jasper Fossils	42.9250, -103.7360	Public
Sioux CountyGlen Road	Chalcedony Celestite Fossils Agatized Wood Opalized Wood	42.5887, -103.5953	Public

Neighboring counties in Nebraska

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

Across the state line from Sioux 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 Nebraska.

Sioux County FAQ

Where can I rockhound in Sioux County, Nebraska?+

RockHoundR tracks 4 rockhounding spots in Sioux County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Sioux County?+

Spots in Sioux County most often produce Fossils, Agate, Agatized Wood, Chalcedony, Jasper. Individual spots can vary widely.

Are these Sioux 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 Sioux County rockhounding trip

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