Rock Run is a tributary stream of the Potomac River in Montgomery County, Maryland. The headwaters of the stream rise in the village of Potomac, and the creek flows southeast for U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed August 15, 2011 to the Potomac River.
A portion of the stream runs through Rock Run Stream Valley Park, an undeveloped park that is part of the Montgomery County MD park system. See also List of rivers of Maryland
References
External links Rock Run Stream Valley Park, Montgomery County Department of Parks