Hongcun Nanhu is located at the entrance of Hongcun Village. It was built in the Ming Dynasty. It has a history of more than 400 years. The lake is a large bow shape, and the lake embankment is divided into upper and lower layers, and the upper layer is 4 meters wide. It is one of the two cow stomachs of the ancient village of Hongcun imitating cattle-shaped feng shui architecture. Hongcun Village through the Yongle years to the Wanli years, the population reproduced, just relying on the moon pond water storage is not enough, and in the end of the Wanli year Ding year will be the village of 100 mu of good fields, chiselled deep, surrounded by four sides of the stone tower, imitated the West Lake Pinghu autumn moon style, built the South Lake.