What mountain is the boundary pillar of Banan?

Swallowtail Mountain. Jieshi Town belongs to Banan District of Chongqing, located in the west of Banan District. 1March, 985, jieshi town was changed from Jieshi Township to jieshi town. According to the notice issued by Chongqing Municipal Government, as of September 15, 2022, the boundary stone topography is divided into hills and mountains. It is a small town located on the Swallowtail Mountain, and the highest peak of China is located in Xinyu Village, with an altitude of 750 meters.