Qiandao lake's main source of water for the xin 'an river, from huizhou and huangshan tributary catchment. The xin 'an river originates from huizhou, flows through chun 'an, zhejiang province, and enters the sea at the qiantang river. It is the positive source of the qiantang river and has always been known for its clarity. The huizhou culture is as old as the xin 'an river. There are two thousand island lakes in the world, one in Canada and the other in chun 'an county, hangzhou city, China. China's qiandao lake is bigger and more legendary than Canada's.