The Sutton River, North Branch Missisquoi River in the United States, is a transboundary watercourse tributary of the Missisquoi River, crossing from north to south:the municipalities Sutton and Abercorn, in the Brome-Missisquoi Regional County Municipality, in the region administrative Montérégie, south of province of Quebec, in Canada; and Richford, in Franklin County, in the state of Vermont, northeast of the United States. Note: The segment of 2.7 km in Vermont is named "North Branch Missisquoi River".

The Missisquoi River is a transboundary river of the east shore of Lake Champlain, approximately 80 miles (130 km) long, in northern Vermont in the United States and southern Quebec in Canada.