They are located on the Crow Indian Reservation and the Custer National Forest, and portions of them are on private land.
[7] During the Laramide orogeny in the Late Cretaceous and Paleogene Period (about 70 to 60 million years ago),[10] the limestone was faulted and uplifted.
[14] Other popular features of the Pryors include Froggs Fault, a huge fissure in the earth, and a buffalo jump near Dry Head Lookout.
[15] Just below Dry Head Lookout is a small pocket in the cliff face surrounded by a low man-made fence of rock.
[8] Crooked Creek, one of the few perennial streams in the area, divides the Pryors in two and is one of the few places where Yellowstone cutthroat trout may be found.