Located in Yushugou of the Zhuozi Mountain Range, it is a rare natural water-eroded cave. With a length of about 70 meters, it has several branches, two halls and many small caves at both sides. The water-eroded cave assumes a north-south direction. The first halls 15 meters in length, 10 meters wide and 3 meters high.

Stalagmite and petrified bouquet on the ceiling are pure and white and have strange shapes. Going about 25 meters further along the natural solution channel, you will reach the second hall. The size of the second hall is 30 meters in length, 20 meters wide and 2-6 meters high. Both the cavity wall and the ceiling have very beautiful stalactites. From the end of the second hall to the south is an over 60 meter long gradually narrowing passage, which is still enough wide for a people to walk through. It's very dark inside and the caves are connected together. With a depth of 200-300 meters, the cave is rich in fairy stones.