West Lake is a freshwater lake in Hangzhou, the capital of Zhejiang province in eastern China. It is divided into five sections by three causeways. With an average depth of just five feet the lake comprises five distinct sections. The largest part is known as the Outer Lake and it is bounded by the North Inner Lake, Yuehu Lake, West Inner Lake and Lesser South Lake. Held in the embrace of hilly peaks on three sides, this water wonderland has been an attraction for centuries and it is small wonder that it was a favorite imperial retreat.