The Natchaug River is a 17.9-mile-long (28.8 km) river in Windham and Tolland Counties in northeastern Connecticut. The name Natchaug comes from the Nipmuc language and is believed to mean land between rivers.
Bigelow Brook from the Natchaug Trail in Eastford Connecticut, the head waters of the Natchaug River.
Mansfield is a town in Tolland County, Connecticut, United States. The town is part of the Capitol Planning Region. The population was 25,892 at the 2020 census.
Kirby's Mill, in the Mansfield Hollow part of town
The Mansfield Hollow Dam, constructed in 1952, impounds the waters of the Natchaug, Fenton and Mt. Hope Rivers.