The altitude is 1,408 m. Seven mountains appear in equidistant sharp angular peak cluster, 70 - 80 m high. The mountains are clustered by the pine, with beauty in majesty and Vigorousness, like goddess accidentally dropping in the mortal world. It is formed by the giant porphyritic biotite granite of the Yanshannianperiod. When the rock mass rises and bassets, the running water down-cuts the mass along its developed vertical joints and forms the isolated peak or stone column. They are clustered to peak forest.