The East Aspetuck River is a 9.9-mile-long (15.9 km)[5] river in Litchfield County, Connecticut, in the United States.

It flows in a southwesterly direction from its source at Lake Waramaug, in the town of Washington, through the villages of New Preston and Northville, before joining the West Aspetuck River in New Milford, a half a mile before emptying into the Housatonic River.

It is a designated "wild trout management area," with special regulations in effect for its entire length.

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