St. Marys River (Maryland)

St. Marys River
Basin
River mouth	Potomac River 0 feet (0 m)
Physical characteristics
Length	22.3 miles (35.9 km)

The St. Marys River (sometimes spelled St. Mary's River) is a 22.3-mile-long (35.9 km)^[1] 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.

References

↑ "National Hydrography Dataset high-resolution flowline data". U.S. Geological Survey. Retrieved August 15, 2011.

External links

State of Maryland Geologic Survey: Rivers of Maryland

Potomac River system

Streams shown as: Major tributaries
- subtributaries
- (subsubtributaries)
- (subsubsubtributaries)

Tidal Potomac River

Gulf Branch
Donaldson Run
Maddox Branch
Windy Run
Spout Run
Foundry Branch
Rock Creek
- Piney Branch
Boundary Channel
Tiber Creek
Rocky Run
Washington Channel
Anacostia River
- Pope Branch
- Watts Branch
- Hickey Run
- Northwest Branch
  - Sligo Creek
- Northeast Branch
  - Paint Branch
Four Mile Run
Oxon Creek
Hunting Creek
- Cameron Run
Broad Creek
Henson Creek
Swan Creek
Piscataway Creek
Little Hunting Creek
Dogue Creek
Accotink Creek
- Daniels Run
Pohick Creek
Pomonkey Creek
Occoquan River
- Bull Run
- Broad Run
- Cedar Run
Neabsco Creek
Powell Creek
Mattawoman Creek
Chicamuxen Creek
Quantico Creek
Little Creek
Chopawamsic Creek
Tank Creek
Aquia Creek
Potomac Creek
- Accokeek Creek
Nanjemoy Creek
Port Tobacco River
Popes Creek (Maryland)
Gambo Creek
Piccowaxen Creek
Upper Machodoc Creek
Cuckold Creek
Wicomico River
Monroe Creek
Mattox Creek
Popes Creek (Virginia)
St. Marys River
Yeocomico River
Coan River
Hull Creek

Upper Potomac River

North Branch Potomac River
South Branch Potomac River
Town Creek
Little Cacapon River
- North Fork Little Cacapon River
- South Fork Little Cacapon River
Fifteenmile Creek
Sideling Hill Creek
Cacapon River
- Lost River
- Trout Run
- Capon Springs Run
- Dillons Run
- Edwards Run
- Mill Branch
- North River
- (Grassy Lick Run)
- (Tearcoat Creek)
- (Bearwallow Creek)
Sir Johns Run
Warm Spring Run
Tonoloway Creek
- Little Tonoloway Creek
Sleepy Creek
Meadow Branch
Licking Creek
Cherry Run
Back Creek
Hogue Creek
Isaacs Creek
Tilhance Creek
Little Conococheague Creek
Conococheague Creek
Back Creek
Opequon Creek
Abrams Creek
Mill Creek
Middle Creek
Tuscarora Creek (West Virginia)
Antietam Creek
Shenandoah River
Little Catoctin Creek
Catoctin Creek (Virginia)
Catoctin Creek (Maryland)
Tuscarora Creek (Maryland)
Monocacy River
- Rock Creek
- Marsh Creek
- Alloway Creek
- Toms Creek
- (Middle Creek)
- Double Pipe Creek
- (Big Pipe Creek)
- (Little Pipe Creek)
- Owens Creek
- Tuscarora Creek
- Carroll Creek
- Linganore Creek
- Israel Creek
- Double Pipe Creek
- Bush Creek
- Ballenger Creek
- Bennett Creek
Little Monocacy River
Goose Creek
- Little River
Broad Run (Virginia)
Sugarland Run
Broad Run (Maryland)
Seneca Creek
- Dry Seneca Creek
- Little Seneca Creek
- (Tenmile Creek)
- Great Seneca Creek
Difficult Run
Cabin John Creek
Dead Run
Little Falls Branch
Pimmit Run
Rock Run
Watts Branch
Muddy Branch

Shenandoah River

North Fork Shenandoah River Cedar Creek Smith Creek South Fork Shenandoah River North River (Middle River) South River

North Branch Potomac River

Stony River Abram Creek Savage River Georges Creek Laurel Run New Creek Limestone Run Warrior Run Wills Creek Brush Creek Little Wills Creek Evitts Creek Patterson Creek Mill Creek Dans Run Green Spring Run

South Branch Potomac River

North Fork South Branch Potomac River Laurel Fork Mill Creek Seneca Creek South Fork South Branch Potomac River Kettle Creek Lunice Creek Mill Run Mill Creek Big Run Buffalo Creek

Lakes and reservoirs

Lake Accotink Lake Anne Lake Artemesia Lake Bernard Frank Lake Braddock Breckenridge Reservoir Brushy Fork Lake Burke Lake Dalecarlia Reservoir Georgetown Reservoir Jennings Randolph Lake Kingman Lake Little Seneca Lake McMillan Reservoir Mount Storm Lake Lake Needwood Sleepy Creek Lake Stony River Reservoir Tidal Basin Trout Pond Warden Lake

Waters of Maryland

Bays/Estuaries	Assawoman Chesapeake Chincoteague Curtis Bay Eastern Fishing Herring Isle of Wight Mallows Newport Pocomoke Sinepuxent Tangier

Rivers	Anacostia Annemessex (Big) Annemessex (Little) Back Bird Blackwater Blackwater (Little) Bohemia Bush Casselman Chester Chicamacomico Choptank Choptank (Little) Christina River Corsica Elk Front Gunpowder Hawlings Jones Falls Magothy Magothy (Little) Manokin Middle Miles Monocacy North River Monocacy (Little) Nanticoke North East Patapsco Patuxent Pocomoke Port Tobacco Potomac Rhode St. Martin St. Marys Sassafras Savage Severn South Susquehanna Transquaking Tred Avon Warwick West Wicomico (Potomac) Wicomico Wye Wye East Youghiogheny

Creeks/Runs/Streams	Antietam Alloway Arundel Cove Ballenger Bear (Patapsco) Bear (Sideling Hill) Bear (Youghiogheny) Beaverdam Bennett Big Hunting Big Pipe Bodkin Bonnie Branch Bread and Cheese Broad (Choptank) Broad (Potomac) Broad (Susquehanna) Broad Run Budds Bush Cabin John Carroll Catoctin Catoctin (Little) Chicamuxen Collington Branch Conococheague Conococheague (Little) Conowingo Cuckold Curtis Deep Run Deer Dividing Dorsey Run Double Pipe Dry Seneca Dueling Dundee Evitts Fifteenmile Fishing Flintstone Frog Mortar Furnace Georges Great Seneca Green Branch Greys Gwynns Falls Harris Henson Herbert Run Herring Run Honga Hunting (Little) Indian (Anacostia) Indian (Patuxent) Israel Laurel Run Licking Linganore Little Falls Branch Little Pipe Little Seneca Lyons Main Marley Marsh Marshyhope Mattawoman Meekins Middle Mill Branch Minnehaha Branch Moores Run Muddy Branch Nanjemoy Nassawango Northeast Branch Anacostia River Northwest Branch Anacostia River Octoraro Owens Oxon Paint Branch Parsons Piney Piscataway Plumtree Branch Pomonkey Principio Rock (Potomac) Rock Run Rockburn Branch Roland Run Romney St. Leonard Saltpeter Sams Sellman Seneca (Middle) Seneca (Potomac) Sideling Hill Slaughter Sligo Soapstone Branch Stony Swanson Tenmile Creek Thoms Cove Toms Tonoloway Town (Patuxent) Town (Potomac) Town (Tred Avon) Towson Run Trappe Tuckahoe Turville Tuscarora (Monocacy) Tuscarora (Potomac) Tuscarora (Little) Watts Branch Western Run Wills Winters Run

Lakes	Allen Pond Artemesia Buckel’s Bog Centennial Deep Creek Elkhorn Bernard Frank Jennings Randolph Kittamaqundi Little Seneca Needwood Quarry Lake Roland Woodward Pond Youghiogheny

Reservoirs	Dalecarlia Liberty Loch Raven Piney Run Prettyboy Rocky Gorge Triadelphia

Coordinates: 38°10′N 76°27′W / 38.167°N 76.450°W / 38.167; -76.450

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St. Marys River (Maryland)

See also

References

External links