Summit Camp, also Summit Station, is a year-round research station on the apex of the Greenland Ice Sheet. Its coordinates are variable, since the ice is moving. The coordinates provided here are as of July 2009. The station is located 3216m above sea level. The population of the station is typically five in wintertime, and has peaked at 55 in the summer. The station is operated by the American-based CH2M HILL Polar Services with support from the United States' National Science Foundation. A permit from the Danish Polar Center under the auspices of the Home Rule Government of Greenland is required to visit the station.