Highlights: Dachaidan Snow Mountain Hot Spring is located in Chaidamushan Hot Spring Ditch, north of Dachaidan Town. The peak of Chaidamu Mountain is covered with snow throughout the year, and the hot spring ditch has been flowing quietly for tens of thousands of years. It is said that this is the bathing place for Queen Mother of the West and the seven fairies. Also, this is an important post house for the merchants, monks, and envoys who were traveling on the Silk Road, as a place where they can bathe and take a rest.