Zuoying Guishan, located in the old Fengshan City, is an important military site for guarding the city, and has been an important military site since ancient times. Guishan, with an altitude of only 63 meters, has three trail entrances. Starting from the trail entrance at the North Gate, you can easily climb to the top of Guishan in about 10 minutes. There are military bunkers and anti-aircraft artillery positions on the top of the mountain, and you can overlook the Zuoying Military Port in the distance.