Chishui River Introduction: Chishui River was called Anle Water in ancient times. It is a tributary of the upper reaches of the Yangtze River. It originates from Zhenxiong County, Yunnan Province, passes through Chishui City, Guizhou Province, and enters the Yangtze River in Hejiang County, Sichuan Province. The river has a total length of 523 kilometers and a drainage area of ​​20,400 square kilometers. It is named after its high sand content and red-yellow water color.