So far it is one of the most developed soil forest in the area, covering 2.3 square kilometers. It is located at the Huxi Village of Wumao Township. Therefore it is also called Wumao Soil Forest. On the whole, soil forest here is of the shape of the castle or the folding screen, or the window shade. The average height of the soil is 10 to 15 meters, and the highest is 27 meters. Looking at the forest from a high place in the distance, you will find it covered with dongas and ravines, displaying a sense of roughness and desolation, like an abandoned castle. Looking at it from a close site, you will find it like grand groups of soil sculpture.
Most of the scenic spots are distributed along the dried river bed from east to west with a length of 1500 meters. There are some branch river beds lying at each side, totaling 4300 meters. Colorful gravels and yellow fine sands cover the surface of the soil.