Part of the Appalachian Mountains in the U.S. It extends for 250 mi (402 km) through the centre of Vermont and has a maximum width of 30 mi (50 km).
Many peaks rise to more than 3,000 ft (900 m); the highest is Mount Mansfield at 4,393 ft (1,339 m). Known for their skiing facilities, the mountains are traversed by the Long Trail (part of the Appalachian National Scenic Trail ). Green Mountains National Forest, which covers 214,000 acres (86,600 hectares), was established in 1932.