Connecticut River Map (PDF) | Major Rivers & Lakes in Connecticut

Written and Fact-checked by 青青草视频 Editors | Updated On: April 03, 2026 | 15:05 ET

Connecticut River Map showing major rivers in Connecticut, River start and end point, county boundaries.

River Map of Connecticut State

About Map: Connecticut River Map showing major rivers in Connecticut, county boundaries and state boundary.

PDF Map - Free Download Connecticut River Map, United States

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Rivers and Waterways in Connecticut

Connecticut鈥檚 river system is shaped by its compact size and varied landscape, with rivers flowing from upland areas in the north toward Long Island Sound. Most waterways drain south into the Atlantic Ocean, while western portions connect to the Hudson River system. The state features a mix of steady rivers and smaller streams, along with several reservoirs that provide drinking water and support local communities. Despite its size, Connecticut鈥檚 rivers play an important role in regional ecology, recreation, and water supply.

Major Rivers in Connecticut

River	Length (Approx.)	Region	Flows Into
Connecticut River	410 mi	Central	Long Island Sound
Housatonic River	149 mi	West	Long Island Sound
Thames River	15 mi	East	Long Island Sound
Farmington River	47 mi	Central	Connecticut River
Naugatuck River	40 mi	West	Housatonic River
Quinebaug River	69 mi	East	Shetucket River
Shetucket River	15 mi	East	Thames River
Salmon River	36 mi	Central	Connecticut River
Eightmile River	26 mi	South	Long Island Sound
Mattabesset River	16 mi	Central	Connecticut River
Mill River	20 mi	South	Long Island Sound
Pequonnock River	16 mi	South	Long Island Sound
Mianus River	20 mi	Southwest	Long Island Sound
Norwalk River	21 mi	Southwest	Long Island Sound
Saugatuck River	23 mi	Southwest	Long Island Sound
Hammonasset River	19 mi	South	Long Island Sound
Yantic River	27 mi	East	Shetucket River
Still River	25 mi	West	Housatonic River

Major Lakes in Connecticut

Lake	Type	Region
Candlewood Lake	Reservoir	West
Lake Lillinonah	Reservoir	West
Lake Zoar	Reservoir	West
Lake Waramaug	Natural lake	Northwest
Bantam Lake	Natural lake	Northwest
Highland Lake	Natural lake	North
Lake Compounce	Natural lake	Central
Shenipsit Lake	Reservoir	North
Lake Saltonstall	Reservoir	South
Gardner Lake	Natural lake	East

Major River Basins in Connecticut

Connecticut鈥檚 river basins are relatively small but important, with most draining directly into Long Island Sound. These basins support local ecosystems, provide drinking water, and play a role in flood control and recreation throughout the state.

Connecticut River Basin
Housatonic River Basin
Thames River Basin
Farmington River Basin
Naugatuck River Basin
Quinebaug River Basin
Shetucket River Basin
Norwalk River Basin
Saugatuck River Basin

Connecticut Rivers Facts

State	Connecticut
Total Rivers & Streams	8,000+ miles of streams
Major Rivers	Connecticut, Housatonic, Thames
Total Waterway Length	8,500+ miles
Main Drainage	Long Island Sound
Longest River	Connecticut River
Shortest River	Thames River
Major River Basins	9 Primary Basins
Primary Outlet	Atlantic Ocean
Key Uses	Water supply, recreation, hydropower
Longest River Within State	Connecticut River
Number of River Basins	6鈥�9 Basins
Major Reservoirs	Candlewood Lake, Lake Zoar, Shenipsit Lake
Primary Water Source	Reservoirs and river systems

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