The Roach River is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 1, 2011 tributary of the North Fork Rivanna River in the U.S. state of Virginia. It is part of the James River watershed.

It rises at Powell Gap in Shenandoah National Park and flows southeast, passing the communities of Bacon Hollow and Dyke. Flowing entirely within Greene County, it joins the Lynch River to form the North Fork of the Rivanna just north of the Albemarle County line.

See also List of rivers of Virginia

References

USGS Hydrologic Unit Map - State of Virginia (1974)