Country/territory: China (mainland)
Central coordinates (latitude / longitude): 32°34'59"N (32.5833°) / 104°45'00"E (104.7500°)
Area (reported): 40,000 hectares / 400.00 km² / 98,842 acres / 154.44 square miles
Area (GIS-derived): 27,422 hectares / 274.22 km² / 67,761 acres / 105.88 square miles
Altitude: 1150–3864 m (3,772–12,675 ft)