Country/territory: China (mainland)
Central coordinates (latitude / longitude): 27°43'59"N (27.7333°) / 098°25'00"E (98.4167°)
Area (reported): 337,585 hectares / 3,375.85 km² / 834,191 acres / 1,303.42 square miles
Area (GIS-derived): 1,144,113 hectares / 11,441.13 km² / 2,827,164 acres / 4,417.44 square miles
Altitude: 1500–5128 m (4,920–16,821 ft)