The Little Missouri River rises west of a laccolithic butte that stands 867 feet from summit to base.
The Little Missouri River is a tributary of the Missouri River, 560 miles (901km) long, in the northern Great Plains of the United States. 
 Rising in northeastern Wyoming, in western Crook County about 15 miles (24km) west of Devils Tower, it flows northeastward, across a corner of southeastern Montana, and into South Dakota. 
Devils Tower (also Bear Lodge Butte) is a laccolithic butte composed of igneous rock in the Bear Lodge Mountains (part of the Black Hills) near Hulett and Sundance in Crook County, northeastern Wyoming, above the Belle Fourche River. 
 It rises dramatically 1,267 feet (386 m) above the Belle Fourche River, standing 867 feet (265 m) from summit to base. 
