It is located in the Lingfeng Peak Scenic Area. The section that from the ferry of Bi River to Putanyang is called Pu River. It is 5.5km long, is widen and the water is clear. The width gets to 100m, the narrow point just can let the bamboo rafts go and back. It is empty mongolia distant of the landscape in the both side of the river. And the water streams such as the thousand steeds gallop. You will feel relaxed and happy when you are walking along the river and by boats.