Yangmaxia tourist area has developed into a famous tourist, leisure, summer resort and convalescent resort inside and outside the province. Located in the Longmenshan fold belt on the eastern edge of the western geosyncline in China, Wensheng Township, northwest of jiangyou city, Mianyang City, Sichuan Province. The scenic spot is 80 square kilometers. Due to the multi-stage strong tectonic movement in Longmen Mountain, after long-term erosion and dissolution, a changeable karst erosion landform was formed.