Xingwen Shihai is located in Xingwen County, Yibin City, Sichuan Province, in the world geopark, national 4A-level scenic spot, national key scenic spot, national scenic spot, provincial scenic spot. The main attractions are Tianquandong, Big Funnel, etc. Xingwenshihai has a total area of about 156 square kilometers, located in the transition zone of Sichuan Basin and Yungui Plateau. Its geological relics mainly include Permian geological profiles, surface karst terrain, tiankeng, caves, cave deposits, waterfalls, erosion canyons, paleobiological fossils, storm rock deposits, etc. The most famous of these is the Tiankeng, which is the earliest place to discover and study Tiankeng in China.