| Park Name | Established | State/Territory | Photo Gallery Region | Ecoregion | Management Agency | |
|---|---|---|---|---|---|---|
 | BLACK KETTLE National Grassland | 1960 06|June 23 | Oklahoma Texas | Great Plains | Arid | National Forest Service (NFS) |
 | BUFFALO GAP National Grassland | 1960 06|June 23 | South Dakota | Great Plains | Arid | National Forest Service (NFS) |
 | BUTTE VALLEY National Grassland | 1991 07|July | California | California | Humid Temperate | National Forest Service (NFS) |
 | CEDAR RIVER National Grassland | North Dakota | Great Plains | Arid | National Forest Service (NFS) | |
 | FORT PIERRE National Grassland | South Dakota | Great Plains | Arid | National Forest Service (NFS) | |
 | GRAND RIVER National Grassland | 1960 | South Dakota | Great Plains | Arid | National Forest Service (NFS) |
 | KIOWA National Grassland | 1960 | New Mexico | Great Plains | Arid | National Forest Service (NFS) |
 | OGLALA National Grassland | 1960 | Nebraska | Great Plains | Arid | National Forest Service (NFS) |
 | PAWNEE National Grassland | 1960 | Colorado | Great Plains | Arid | National Forest Service (NFS) |
 | RITA BLANCA National Grassland | 1960 | Texas Oklahoma | Great Plains | Arid | National Forest Service (NFS) |
 | THUNDER BASIN National Grassland | 2002 07|July 31 | Wyoming | Great Plains | Arid | National Forest Service (NFS) |