Cavanal Hill, located near Poteau, Oklahoma, is described by a sign at its base as the "'World's Highest Hill' – Elevation: 1,999 feet". The actual summit elevation is 2,385 feet (727 m) above sea level; the difference in elevation between the summit and the Poteau River 3 miles (5 km) to the north is 1,960 feet (600 m).

Poteau is a city in, and county seat of, Le Flore County, Oklahoma, United States. The population was 8,520 as of the 2010 census.