South River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 1, 2011 river in Caroline County in Virginia, United States. It is a tributary of the Mattaponi River.
Rising at the boundary between Caroline County and Spotsylvania County, the South River flows east, passing under U.S. Route 1 and Interstate 95, joining the Mattaponi north of Milford. Via the Mattaponi and York rivers, the South River is part of the Chesapeake Bay watershed.
See also List of rivers of Virginia
References
USGS Hydrologic Unit Map - State of Virginia (1974)