Introduction to Dianchi Lake: Dianchi Lake is located near Daguan Park. It is a vast and graceful plateau lake. It is a plateau limestone fault subsidence lake formed by the Himalayan orogeny in the Tertiary Period. With an altitude of 1,886 meters and a lake area of ​​318.27 square kilometers, it is the largest lake in Yunnan and the sixth largest inland lake in the country.