Locke Lake is a 149 acre (0.60298214 km²) water body located in Belknap County

Belknap County, New Hampshire

-Demographics:As of the census of 2000, there were 56,325 people, 22,459 households, and 15,496 families residing in the county. The population density was 140 people per square mile . There were 32,121 housing units at an average density of 80 per square mile...

 in central New Hampshire

New Hampshire

New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, in the town of Barnstead

Barnstead, New Hampshire

Barnstead is a town in Belknap County, New Hampshire, United States. The population was 4,593 at the 2010 census. Home to the Suncook Lakes, Barnstead includes the villages of Center Barnstead, Barnstead Parade and South Barnstead.-History:The town was granted by Governor William Dummer in 1727 to...

. It is fed by Halfmoon Lake

Halfmoon Lake (Barnstead, New Hampshire)

Halfmoon Lake is a water body located in Belknap County in central New Hampshire, United States, in the towns of Barnstead and Alton. The pond is part of the Suncook River watershed, flowing south to the Merrimack River....

 and drained by Webster Stream. It is surrounded by the Locke Lake Colony, a private development.

The lake is part of the Suncook River

Suncook River

The Suncook River is a river located in central New Hampshire in the United States. It is a tributary of the Merrimack River, which flows to the Gulf of Maine....

 watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

, flowing south to the Merrimack River

Merrimack River

The Merrimack River is a river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into Massachusetts, and then flows northeast until it empties into the Atlantic Ocean at Newburyport...

.

Locke Lake is private, and there is no public access provided. A PDF map of Locke lake can be found here.