Vinson Massif is the highest mountain of Antarctica, lying in the Sentinel Range of the Ellsworth Mountains, which stand above the Ronne Ice Shelf near the base of the Antarctic Peninsula. The massif is located about 1,200 kilometres (750 mi) from the South Pole and is about 21 km (13 mi) long and 13 km (8.1 mi) wide. At 16,066 feet (4,897 m) the highest point is Mount Vinson, which was named in 2006 after Carl Vinson, long-time member of the U.S. Congress from the state of Georgia.