Huashan Mystery Grottoes Scenic Area, formerly known as "Guhuizhou Grottoes Group", is located on the two sides of the Xin'an River between the downtown area of Huangshan (Tunxi) and Xiongcun, Jixian County, Anhui Province. It is connected to the two major scenic spots of Huashan and Xiongcun, and is a dumbbell-shaped national AAAA-level tourist scenic spot. Huashan Mystery Grottoes Scenic Area is an extension of the Huangshan Mountains, between 29° 44'~ 29° 46' north latitude. It is called a thousand-year-old Mystery Grottoes because of such a large grotto, finely cut and neatly cut, what is used for, some say Tubing, some say salt, and even quarrying, No word has been on the board so far. This makes the grotto more mysterious.