Country/territory: China (mainland)
Central coordinates (latitude / longitude): 28°04'59"N (28.0833°) / 099°10'00"E (99.1667°)
Area (reported): 190,144 hectares / 1,901.44 km² / 469,856 acres / 734.15 square miles
Area (GIS-derived): 190,760 hectares / 1,907.60 km² / 471,378 acres / 736.53 square miles
Altitude: 2000–5429 m (6,560–17,808 ft)