Introduction to Cilincuo Lake: Cilincuo Lake is the largest glacial lake in rural areas. It is located at the forefront of Cilincuo Glacier Valley, with an altitude of 4,400 meters. The lake surface is spread out in a long and narrow strip. The lake water changes colors in the four seasons with the mountains and forests, changing its appearance. Cilincuo is a local holy lake, and it is said that it can control wind and rain. Every dry season, local people will hold rain praying activities by the lake according to Tibetan Buddhist rituals. Visitors can also go to the holy lake to pray for themselves and their families.