County St. Mary's County Mouth Potomac River Mouth elevation 0 | Length 36 km Country United States of America | |
River mouth Potomac River
0 feet (0 m) | ||
The St. Marys River (sometimes spelled St. Mary's River) is a 22.3-mile-long (35.9 km) river in southern Maryland in the United States. It rises in southern St. Mary's County, and flows to the southeast through Great Mills, widening into a tidal estuary near St. Marys City, approximately 2 miles (3 km) wide at its mouth on the Potomac River, near the Chesapeake Bay.
Map of St Marys River, Maryland, USA
References
St. Marys River (Maryland) Wikipedia(Text) CC BY-SA