Tributaries
Listed from south to north by location of mouth:
- Black Hall River (Old Lyme, CT)
- Falls River (Essex, CT)
- Eightmile River (Hamburg, CT)
- Deep River (Deep River, CT)
- Salmon River (Moodus, CT)
- Mattabesset River (Middletown, CT)
- Hockanum River (East Hartford and Hartford, CT)
- Park River (Hartford, CT)
- Farmington River (Windsor, CT)
- Scantic River (South Windsor, CT)
- Westfield River (West Springfield and Springfield, MA)
- Mill River (Springfield, MA)
- Chicopee River (Chicopee and Springfield, MA)
- Manhan River (The Oxbow of Northampton, MA)
- Mill River (Northampton, MA)
- Fort River (Hadley, MA)
- Mill River (Hatfield, MA)
- Mill River (Amherst, MA)
- Sawmill River (Montague, MA)
- Deerfield River (Deerfield and Greenfield, MA)
- Fall River (Greenfield and Gill, MA)
- Millers River (Millers Falls, MA)
- Ashuelot River (Hinsdale, NH)
- West River (Brattleboro, VT)
- Partridge Brook (Westmoreland, NH)
- Cold River (Walpole, NH)
- Saxtons River (Westminster, VT)
- Williams River (Rockingham, VT)
- Black River (Springfield, VT)
- Little Sugar River (Charlestown, NH)
- Sugar River (Claremont, NH)
- Blow-me-down Brook (Cornish, NH)
- Ottauquechee River (Hartland, VT)
- Mascoma River (West Lebanon, NH)
- White River (White River Junction, VT)
- Mink Brook (Hanover, NH)
- Ompompanoosuc River (Norwich, VT)
- Waits River (Bradford, VT)
- Oliverian Brook (Haverhill, NH)
- Wells River (Wells River, VT)
- Ammonoosuc River (Woodsville, NH)
- Stevens River (Barnet, VT)
- Passumpsic River (Barnet, VT)
- Johns River (Dalton, NH)
- Israel River (Lancaster, NH)
- Upper Ammonoosuc River (Northumberland, NH)
- Paul Stream (Brunswick, VT)
- Nulhegan River (Bloomfield, VT)
- Simms Stream (Columbia, NH)
- Mohawk River (Colebrook, NH)
- Halls Stream (Beecher Falls, VT)
- Indian Stream (Pittsburg, NH)
- Perry Stream (Pittsburg, NH)
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