Located in the town of Fayston in Washington County, the mountain summit is 3,662 feet (1,116 m) in elevation.

[4] Stark Mountain stands within the watershed of Lake Champlain, which drains into the Richelieu River in Québec, the Saint Lawrence River, and then eventually into the Gulf of Saint Lawrence.

The Long Trail traverses the summit of Stark Mountain, approximately 2.2 miles (3.5 km) north of Mount Ellen.

Just east of Camel's Hump State Forest in Starksboro, on the north peak of Stark Mountain at 3,644 feet (1,111 m), sits Stark's Nest, a warming hut for winter skiers at the Mad River Glen ski area.

The hike from Appalachian Gap to Stark's Nest via the Long Trail is 2.5 miles (4.0 km) with 1,267 feet (386 m) of vertical gain.