Vermont Route 5A (VT 5A) is a 26.397-mile-long (42.482 km) state highway in extreme northeastern Vermont. It is an alternate route of U.S. Route 5 (US 5) that travels along the east shore of Lake Willoughby. VT 5A begins at US 5 in West Burke and ends at US 5 and VT 105 in Derby Center, about 3 miles (4.8 km) south of the Canada–United States border.