Nanhu is located in the south of Hongcun. It was built in the Ming Dynasty (1607). The village of Hongcun has passed through the Yongle period to the Wanli Period. Due to the prosperous population, it is not enough to rely on the reservoir in the pond. A few feet, surrounded by stone masonry, surrounded by the style of West Lake, Pinghu Qiuyue, built South Lake. The lake is in the shape of a large arch, and the lake bank is divided into upper and lower layers. The ancient trees on both sides of the bank are towering, the green is dripping, the morning mist, and the summer lotus are more charming for the South Lake.