2. Datong Hou Yuan Hotel. Address: Shuidonglang, Shangguan Village, Qiaotou Town, datong county. Datong Hui and Tu Autonomous County is a county under the jurisdiction of Xining City, Qinghai Province. It is located in Hehuang Valley in the east of Qinghai Province, at the southern foot of Qilian Mountain, and in Beichuan River Basin in the upper reaches of Huangshui River. It is a transitional zone between the Qinghai-Tibet Plateau and the Loess Plateau.