Country/territory: China (mainland)
Central coordinates (latitude / longitude): 51°37'00"N (51.6167°) / 123°02'59"E (123.0500°)
Area (reported): 167,213 hectares / 1,672.13 km² / 413,192 acres / 645.61 square miles
Area (GIS-derived): 149,529 hectares / 1,495.29 km² / 369,494 acres / 577.33 square miles
Altitude: 700–1528 m (2,296–5,012 ft)