Introduction to Longtan: Longtan is the Jiuding Longtan, located in the scenic area of ​​Shuhe Ancient Town. It is one of the noted scenic spots in Shuhe, Lijiang. Jiuding Longtan, also known as "Longquan", lies on Longquan Mountain in the west and Qinglong River in the east. It is a small semi-circular stone pool with one upper and lower one. There is a pavilion between the two pools. It is the best place to watch the "Jiuding Longtan". .