Xihe (Longnan)
Xihe County ( Chinese 西 和 县 , Pinyin Xīhé Xiàn ) is a district of the prefecture -level city of Longnan in the southeast of northwest China's Gansu Province . It has an area of 1,861 km² and has a population of 390,000. Its main town is the large community of Hanyuan (汉 源 镇).
Coordinates: 33 ° 54 ' N , 105 ° 19' E