The Ruili River is one of the most important rivers in the west Yunnan province. It is called Nanmao River in Dai language, meaning foggy river.

The river expands 53 km in Ruili city with a width of 100-200 meters. The banks of the river are planted with green trees and colorful flowers.

The Ruili River, flowing through tropical areas and valley, consists of three sections with quite different scenic beauties. The drainage area of the Ruili River is rich in tourist resources with various scenic spots grouped together.

Thus it is a multi-functional tourist attraction characterized by its tropical and sub tropical scenery, border ports, ethnic religions, histories and cultures.