Coordinates: 44°59′00″N 71°06′58″W / 44.98333°N 71.11611°W Atkinson and Gilmanton Academy Grant is a township in Coos County, New Hampshire, United States. It was granted by the state legislature to Gilmanton Academy and Atkinson Academy in equal shares in 1809 and contained about 19,000 acres (77 km2). It was later expanded by annexation of previously ungranted land to the west. The population was 0 at the 2010 census. It is part of the Berlin, NH–VT Micropolitan Statistical Area.
In New Hampshire, locations, grants, townships (which are different from towns), and purchases are unincorporated portions of a county which are not part of any town and have limited self-government (if any, as many are uninhabited).
According to the United States Census Bureau, the grant has a total area of 19.5 square miles (50.5 km2), of which 19.4 square miles (50.2 km2) is land and 0.1 square miles (0.3 km2) or 0.58%, is covered by water. The highest point is an unnamed ridge that reaches 2,620 feet (800 m) above sea level near the grant's southwestern corner.