- Coan River
The Coan River is a 7.5-mile-long (12.1 km) river in Virginia's Northern Neck region. It is a tributary of the Potomac River. It flows from its source in Heathsville through Northumberland County and into the Potomac between Lewisetta and Walnut Point.
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)Lakes and reservoirs
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