Country/territory: China (mainland)
Central coordinates (latitude / longitude): 42°00'00"N (42.0000°) / 087°00'00"E (87.0000°)
Area (reported): 190,000 hectares / 1,900.00 km² / 469,500 acres / 733.59 square miles
Area (GIS-derived): 266,367 hectares / 2,663.67 km² / 658,207 acres / 1,028.45 square miles
Altitude: 1048–1100 m (3,438–3,608 ft)