Introduction to the Stalagmite River: The Stalagmite River is 12.5 kilometers long, starting from Shuanghekou (the intersection of Feng, Li and Yun) in the north and ending at Da'an Cave in the south. It is between 20-200 meters wide and is distributed on the steep walls on both sides. Many stone pillars are shaped like stalagmites, hence the name. The water of the Stalagmite River is pure and bright. It is rich in turtles, turtles, waterfalls and springs, scattered among them.