The deepest can reach 9.5 meters. According to the data of Jiangsu Dibao, the depth of Yangcheng Lake decreases from west to east, and the topography of the lake bottom fluctuates slightly, among which the fluctuation of the west lake bottom is the most obvious. Shrimp Mountain outside Beitangkou is 5 meters deep to Duitang Lake, and the deepest pool is 9.5 meters, which is the deepest lake depression in Yangcheng Lake, so the deepest lake in Yangcheng Lake can reach 9.5 meters.