Rongshan Lake Scenic Area is the core part of Guilin's Two Rivers and Four Lakes Scenic Area, and is a lake connected by a body of water. With Yangqiao as the boundary, Shanhu Lake is in the east and Ronghu Lake in the west. It is named after the banyan and cedar trees growing on the lakeshore. During the Tang and Song Dynasties, the artificially excavated southern moat was called Nanyangjiang. It was called Jianhu in the Yuan Dynasty, and the city was expanded in the Ming Dynasty and became the Neihu.
杉湖西接榕湖,北与中心广场比邻,因湖边长有杉树命名。是桂林城中开放式步行休闲公园。 杉湖常与榕湖一起合称榕杉湖 杉湖东西长约390米,平均宽度180米,水域面积7.02公顷。