Country/territory: China (mainland)
Central coordinates (latitude / longitude): 45°45'00"N (45.7500°) / 118°30'00"E (118.5000°)
Area (reported): 1,800,000 hectares / 18,000.00 km² / 4,447,896 acres / 6,949.84 square miles
Area (GIS-derived): 433,750 hectares / 4,337.50 km² / 1,071,819 acres / 1,674.72 square miles
Altitude: 890–1020 m (2,919–3,346 ft)