The highest point of the gap is located in the town of Lincoln in Addison County approximately 0.5 miles (0.8 km) west of the boundary between Lincoln and the town of Warren in Washington County.
At 2,424 feet (739 m), Lincoln Gap is the highest vehicle-accessible mountain pass in Vermont.
On the east side, Lincoln Gap is drained by Lincoln Brook, which drains into the Mad River, the Winooski River, and into Lake Champlain.
The Long Trail, a 272-mile (438-km) hiking trail running the length of Vermont, crosses Lincoln Gap between Mount Grant 3.9 miles (6.3 km) to the south and Mount Abraham 2.6 miles (4.2 km) to the north.
[1] The Breadloaf Wilderness lies directly south of the gap.