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410 miles

Connecticut River

New England's longest river runs south from the Connecticut Lakes, forms the New Hampshire–Vermont line, crosses Massachusetts' Pioneer Valley past Springfield, and passes Hartford and Middletown before reaching Long Island Sound.

N100 mi
Course of the river, simplified. Map data from Natural Earth (public domain).

Weather at the Connecticut River (National Weather Service) ↗

River facts

Length410 miles
SourceFourth Connecticut Lake, Pittsburg, New Hampshire
MouthLong Island Sound between Old Saybrook and Old Lyme, Connecticut
StatesConnecticut, Massachusetts, New Hampshire, Vermont

Dams include Wilder, Bellows Falls, Vernon, Turners Falls and Holyoke, with Moore and Comerford reservoirs upstream.

Boat ramps, launches and bait shops

Detailed ramp, bait shop and lock-and-dam listings for the Connecticut River are coming soon. Until then, these searches open Google Maps along the river:

Fishing regulations

Check the state agency for river-specific rules, seasons and limits before you fish:

Lakes on or near the Connecticut River

Lakes in our guide on or near this river:

Facts from Connecticut River (Wikipedia) ↗

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View on interactive map

Zoom and pan on a street, satellite or terrain map to follow the river past roads and towns. Boat ramps, bait shops and locks will be added to this map.