大湖，是我国第三大淡水湖，面积2250平方公里，号称“三万六千顷”。湖中有大小岛屿48个，连同沿湖的山峰半岛，号林“七十二峰”。它发源于茅山、天目山两脉，经吴江、黄浦江流入东海，是一个吞吐湖泊。苏南、浙西、皖东排洪灌溉的天然水库。湖水浇灌着周围肥沃土地，堪称“ The Great Lakes is the third largest freshwater lake in China with an area of ​​2,250 square kilometers and is called “36,000 hectares.” There are 48 large and small islands in the lake, along with the “Seventy-two Peaks” in the mountain peninsula along the lake. It originated in Maoshan, Tianmu Mountain two veins, the Wujiang, Huangpu River flows into the East China Sea, is a throughput lake. South Jiangsu, western Zhejiang, eastern Anhui flood irrigation natural reservoir. The lake is irrigated with fertile land around, called "