WEBQiandao Lake seen near the middle, in relation to the Qiantang River basin. Qiandao Lake (simplified Chinese: 千岛湖; traditional Chinese: 千島湖; pinyin: Qiāndǎo Hú; lit. 'Thousand Island Lake') is a man-made freshwater lake located in Chun'an County, Hangzhou, Zhejiang Province, China, that was formed after the completion of the Xin'an River hydroelectric station in 1959.