Biyun Karst Cave is located in the Biyun Park. It is also called “Water Cave” which was commended a wonder of Pu’an according to the record in Ming Dynasty. And in the China’s Key Point of Interests Dictionary Biyun Karst Cave is the only one of the spots which has been collected in Liupanshui city. The cave consists of the “Heaven Cave” and “Ground Cave” with special structures. The roof of the cave is high here and then low there, water here and earth there. The inscription by Xuxiake, a geographer in Ming Dynasty, is well preserved.