Rock Run (Potomac River)

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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 about 5.5 miles to the Potomac River.

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Potomac River system
Cities and towns | Bridges | Islands | Tributaries | Variant names
District of Columbia | Maryland | Pennsylvania | Virginia | West Virginia
Streams shown as: Major tributaries • subtributaries • (subsubtributaries) • (subsubsubtributaries)