Country/territory: USA
Central coordinates (latitude / longitude): 37°01'59"N (37.0333°) / 102°22'00"W (-102.3667°)
Area (reported): 8,903 hectares / 89.03 km² / 22,000 acres / 34.37 square miles
Area (GIS-derived): 21,809 hectares / 218.09 km² / 53,891 acres / 84.20 square miles
Altitude: 1113–1301 m (3,651–4,268 ft)