The Songtao Reservoir (Chinese: 松涛水库; pinyin: Sōngtāo Shuǐkù), also known as the Songtao Reservoir Irrigation Area, is the largest body of water in Hainan, and the second largest reservoir[1] in China.[4]
Located upstream of the Nandu River approximately 20 kilometres (12 mi) southeast of Danzhou City, the reservoir covers 0.17 percent of the island and has a total capacity of 3,340,000,000 cubic metres (1.18×1011 cu ft). The reservoir contains more than 100 islands, and is used for agriculture, fisheries, and tourism.[5]