The Connecticut River is a major river in the New England region of the United States. The region's longest, it flows roughly southward for 406 miles (653 km) through four states. Rising 300 yards (270 m) south of the U.S. border with Quebec, Canada, it discharges into Long Island Sound between Old Saybrook and Old Lyme, Connecticut. Its watershed encompasses 11,260 square miles (29,200 km2), covering parts of five U.S. states and one Canadian province, composed of 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at 18,400 cubic ...
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.