| Mattaponi River | |
|---|---|
 The Mattaponi River, upstream of its confluence with the South River | |
 York River watershed | |
| Location | |
| Country | United States |
| State | Virginia |
| Counties | King and Queen, King William, New Kent, Caroline |
| Physical characteristics | |
| Source | Confluence of the Matta and Poni rivers |
| • location | Near Woodford, Caroline County |
| • coordinates | 38°06′45″N 77°26′08″W / 38.11250°N 77.43556°W[1] |
| Mouth | York River |
• location | West Point, King William County |
• coordinates | 37°31′03″N 76°47′30″W / 37.51750°N 76.79167°W[1] |
| Length | 103 mi (166 km)[2] |
| Basin features | |
| Tributaries | |
| • left | Matta River, South River |
| • right | Poni River |
The Mattaponi River /ˈmætəpənaɪ/ is a 103-mile-long (166 km)[2] tributary of the York River estuary in eastern Virginia in the United States.
- ^ a b "Mattaponi River". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved February 22, 2017.
- ^ a b U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed April 1, 2011