Great Pond is a 268 acres (1.1 km²) water body located in Rockingham County

Rockingham County, New Hampshire

-Demographics:As of the census of 2000, there were 277,359 people, 104,529 households, and 74,320 families residing in the county. The population density was 399 people per square mile . There were 113,023 housing units at an average density of 163 per square mile...

 in southeastern New Hampshire in the United States

United States

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

. The lake lies near the center of the town of Kingston

Kingston, New Hampshire

Kingston is a town in Rockingham County, New Hampshire, United States. The population at the 2010 census was 6,025.- History :Kingston was the fifth town to be established in New Hampshire. Originally, it was a part of Hampton, New Hampshire...

. Kingston State Park, a small preserve with a swimming beach, occupies the northeastern end of the lake, near the town center. The lake is located along the Powwow River

Powwow River

The Powwow River is a river located in New Hampshire and Massachusetts in the United States. It is a tributary of the Merrimack River, part of the Gulf of Maine watershed.-River course:...

, a tributary of 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...

.