The Lijiang River is the upper reaches of the Longjiang River, a tributary of the West River of the Pearl River system. It is the largest river in Libo County, Guizhou Province. It originated from the southern foot of the Moon Mountain in the county, flows through 7 townships in 1 town in District 3, and enters the Dog River in Wangmeng Street, a town in Lushan Township. Libo County along the river on both sides of the scenery is beautiful, the Guantang Bridge on the river, commonly known as the Rainbow Bridge, the night view is very colorful.