Qiantang Jianghu

Qiantang Lake is another name for West Lake.

The West Lake in the center of Hangzhou is 3.3 kilometers long from north to south, 2.8 kilometers wide from east to west, with an original surface area of 5.66 square kilometers. Including the islands in the lake, it is a 6.3 square axiom, and the circumference of the lake shore is 15 axiom. The average water depth is about 1.5m, the most turbid point is 2.8m, and the shallowest point is less than1m. Today, the West Lake has expanded to 6.5 square kilometers, basically reaching the area of the West Lake 300 years ago. Su Causeway and Bai Causeway divided the lake into five parts: Lihu Lake, Waihu Lake, Yuehu Lake, Xili Lake and Xiaonanhu Lake. After the West Lake is connected with the Qiantang River, about 300,000 cubic meters of Qiantang River water is introduced every day, and the West Lake water changes from once a year to once a month, and the transparency is increased from less than 60 cm to 65,438 0.20 cm.