Jiuxi, commonly known as "jiuxi 18 streams." West Lake is located west of the mountains, under the crest ridge. Longjing the north, south of Qiantang River consistent. Bayberry Hill Fa Yuen Weng Ling Ha and sequential convergence of Green Bay, the macro method, Fang, Baizhang, Carlson Tong, Buddhist stone, Yunqi, Houzhu head, a well-off and other nine small mountain stream into a river dock, hidden twists and turns suddenly, into the Qianjiang a total length of 6 km.