Kongtong Mountains is one of the sacred mountains of Taoism. It is located in Pingliang City, Gansu Province, People's Republic of China. It is the mythical meeting site between the Yellow Emperor and Guangchengzi.
Wikipedia https://en.wikipedia.org/wiki/Kongtong_Mountains
Address China
Coordinates 35°32'55.888" N 106°31'10.412" E