Country/territory: China (mainland)
Central coordinates (latitude / longitude): 33°23'59"N (33.4000°) / 103°22'59"E (103.3833°)
Area (reported): 143,800 hectares / 1,438.00 km² / 355,337 acres / 555.21 square miles
Area (GIS-derived): 138,675 hectares / 1,386.75 km² / 342,673 acres / 535.43 square miles
Altitude: 3000–4225 m (9,841–13,859 ft)