Devils Tower

Devils Tower is a laccolithic butte, composed of igneous rock in the Bear Lodge Ranger District of the Black Hills, near Hulett and Sundance in Crook County, northeastern Wyoming, above the Belle Fourche River. It rises 1,267 feet (386 m) above the Belle Fourche River, standing 867 ft (264 m) from summit to base. The summit is 5,112 ft (1,558 m) above sea level.