| a group of mountains in W South Dakota and NE Wyoming. Highest peak, Harney Peak, 7242 ft. (2205 m). |
| Black Hills A group of rugged mountains of southwest South Dakota and northeast Wyoming rising to 2,208.8 m (7,242 ft) at Harney Peak. The Black Hills are a major recreational area. |
Mountains in southwestern South Dakota and northeastern Wyoming.
Note: Sacred to the Sioux. The opening of the Black Hills to settlement by whites in 1874 led to the Battle of Little Bighorn.
Note: Location of Mount Rushmore.
