Introduction to Chenghai Lake

Chenghai Lake, commonly known as "Heiwu Lake", is located in the middle of Yongsheng County, Lijiang City, Yunnan Province, 46 kilometers away from Yongsheng County. The lake is 20 kilometers long, running from north to south, with an average width of 4 kilometers, and a maximum water depth of 36.9 meters. , with a water surface altitude of 1,503 meters, a water storage capacity of 1.987 billion cubic meters, and an area of ??77.2 square kilometers. It is the second largest freshwater lake in western Yunnan and one of the three largest lakes in the world where Spirulina naturally grows1.