Introduction to Wolong Valley in Dazhang Mountain: Wolong Valley in Dazhang Mountain is known as "the most amazing valley in the south of the Yangtze River". It is famous for its majesty, danger, wonder and beauty. It is a pure natural, pure ecological and pure primitive place. Canyon scenic area. The large characters "Dazhang Mountain Wolong Valley" at the entrance were inscribed by Mr. Jin Yong.