The Black Hills span southwestern SD and northeastern WY. Key towns within the range:
South Dakota: Custer, Deadwood, Hill City, Keystone, Lead, Rapid City (gateway), Spearfish, Sturgis
Wyoming: Sundance, Moorcroft, Hulett (fringe)
Harney Peak (Black Elk Peak, 7,242 ft) is the high point. The region draws millions for Mount Rushmore, Crazy Horse, Sturgis Rally, hiking, and history.