U.S. Fish & Wildlife ServiceThis layer shows the boundary of the Connecticut River watershed, in which flow all tributaries and the mainstem. The Connecticut River is New England's longest river, stretching 406 miles (653 km) from the Fourth Connecticut Lake near Quebec to the Long Island Sound near Old Saybrook Connecticut. Along the way, is passes through four New England states: Vermont, New Hampshire, Massachusetts, and Rhode Island. The entire watershed covers 11,260 square miles (29,200 km2) and is drained by 148 tributaries and the mainstem river.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/aadd0ac8c2554c219939f77a6f72d44b_50engU.S. Fish and Wildlife Service Open DataPublicConnecticut River Watershed [United States]Web servicesUnited StatesLast Modified: 2024-12-17