Nansheng River
The Nansheng River, also known as Tongshi Water, Tongshi River, is a river in Wuzhishan City of Hainan Province. It is located in the western part of Hainan Island, and is a tributary of the upper Changhua River.
Nansheng River originates from Xianfang Ridge in the northern part of Baoting Li and Miao Autonomous County, flows westward through Nansheng Town of Wuzhishan City, Tonggshi Town, and turns northward to Maodao Township, where it flows into the Changhua River in Wanban Village, Panyang Town.
The river is 56.32 kilometers long, with a drop of 607 meters, and a watershed area of 660.1 square kilometers.