Bridgewater is a town in Grafton County, New Hampshire, United States.

[1] The highest point in Bridgewater is Peaked Hill, at 1,905 feet (581 m) above sea level.

Bridgewater lies fully within the Merrimack River watershed.

[5] The western town line follows the eastern shore of Newfound Lake.

[6] At the 2000 census there were 974 people, 414 households, and 289 families living in the town.

There were 850 housing units at an average density of 40.0 per square mile (15.4/km2).