Introduction to the Daning River Small Three Gorges: The Daning River Small Three Gorges is a national-level scenic spot and another wonderful tourist attraction in the Three Gorges of the Yangtze River. The ancient name of Daning River is Changhe, also known as Wuxi River. It originates from the southern foot of Daba Mountain and flows into the Yangtze River at the west entrance of Wu Gorge. With a total length of about 250 kilometers, it is the largest tributary in the Three Gorges section of the Yangtze River.