Framingham, Massachusetts 01701
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The Sudbury River is a 32.7-mile-long tributary of the Concord River in Middlesex County.
Originating in the Cedar Swamp in Westborough, Massachusetts, near the boundary with Hopkinton, the Sudbury River meanders generally northeast, through Fairhaven Bay, and to its confluence with the Assabet River at Egg Rock in Concord, Massachusetts, to form the Concord River. It has a 162-square-mile drainage area. A 1775 map identifies the river by this name as passing through the town of Sudbury, itself established 1639.
On April 9, 1999, nearly 17 miles of the river were “recognized for their outstanding ecology, history, scenery, recreation values, and place in American literature,” by being designated as a part of the National Wild and Scenic Rivers System. The 14.9-mile segment of the Sudbury River beginning at the Danforth Street Bridge in the town of Framingham, downstream to the MA-2 bridge in Concord, is designated as a Scenic River, and the 1.7-mile segment from the MA-2 bridge downstream to its confluence with the Assabet River at Egg Rock is designated as a Recreational River, along with adjoining stretches of the Assabet and Concord rivers.