The Pryor Mountains are to the west and north of Bighorn Canyon National Recreation Area. The product of arched uplifts, they are good examples of fault block mountains. They have steep east facing fronts that have eroded back from the plane of the fault zone and gentle slopes off to the west controlled by the resistance to erosion of the Madison Limestone.
Remote and Isolated
Best known for the Pryor Mountain Wild Horses that still roam these lands, the mountains also contain a plethora of caves, as well as archaeological evidence dating human activity in the area up to 10,000 years ago. In full, the Pryors are a microcosm of the features found throughout the American West.
Did You Know?
There are five distinct rock layers exposed in the ridge at Horseshoe Bend. The Sundance Formation contains marine fossils such as gryphaea, belemnites, and crinoid stems. Above the Sundance, the Morrison Formation, of Jurassic age, contains diplodocus and allosaurus dinosaur fossils. More...