Iron Mountain
Mt Rushmore seen from one of the tunnels on highway 16A
Highest point
Elevation	5,446 ft (1,660 m)[1]
Coordinates	43°51′31″N 103°26′01″W / 43.85861°N 103.43361°W / 43.85861; -103.43361[1]
Geography
Iron Mountain Pennington County, South Dakota, U.S.
Parent range	Black Hills
Topo map	USGS Iron Mountain

Iron Mountain is a peak in the Black Hills of South Dakota, notable for the fact that U.S. Route 16A was purposely built directly over its summit to provide scenic views of Mount Rushmore National Memorial.