Mill Creek is a 14.0-mile-long (22.5 km) tributary stream of the South Branch Potomac River, belonging to the Potomac River and Chesapeake Bay watersheds...

Rock Creek is a tributary of the Potomac River, in the United States, that empties into the Atlantic Ocean via the Chesapeake Bay. The 32.6-mile (52.5 km)...

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

Creek tributary) Mill Creek (Patterson Creek tributary), a tributary of Patterson Creek Mill Creek (South Branch Potomac River tributary), a tributary of...

following tributaries drain into the Potomac: North Branch Potomac River, South Branch Potomac River, Town Creek, Little Cacapon River, Sideling Hill Creek, Cacapon...

Goose Creek is a 53.9-mile-long (86.7 km) tributary of the Potomac River in Fauquier and Loudoun Counties in Northern Virginia. It comprises the principal...

Mill Creek is a 5.3-mile-long (8.5 km) tributary stream of the North Fork South Branch Potomac River in Pendleton County, West Virginia. Mill Creek rises...

The North Branch Potomac River flows from Fairfax Stone in West Virginia to its confluence with the South Branch Potomac River near Green Spring, West...

Branch Potomac River Little Fork Kettle Creek Mill Run Mill Creek (South Branch Potomac River tributary) Big Run (South Branch Potomac River tributary) Buffalo...

The Shenandoah River /ˌʃɛnənˈdoʊə/ is the principal tributary of the Potomac River, 55.6 miles (89.5 km) long with two forks approximately 100 miles (160 km)...

Paint Branch, Indian Creek, Upper Beaverdam Creek, Dueling Branch, and Brier's Mill Run. Tributaries of the main stem Anacostia include Watts Branch, Lower...

Antietam Creek (/ænˈtiːtəm/) is a 41.7-mile-long (67.1 km) tributary of the Potomac River located in south central Pennsylvania and western Maryland in...

1,754 acres (2.74 mi2, 7.10 km2), generally along Rock Creek, a tributary of the Potomac River. More than two million people visit the park each year...

confluence of its branches in Northumberland, the river flows south past Selinsgrove, where it is joined by its Penns Creek tributary, and cuts through...

of the South Branch of the Patapsco River. Beginning in the 1770s, the Patapsco River became the center of Maryland industrialization. Milling and manufacturing...

United States. It is located less than 5 miles (8.0 km) north of the Potomac River, and is about 20 miles (32 km) from Washington, D.C. It has a population...

Patterson Creek is a 51.2-mile-long (82.4 km) tributary of the North Branch Potomac River in West Virginia's Eastern Panhandle, in the United States....

(51.2 km) tributary of the Occoquan River that originates from a spring in the Bull Run Mountains in Loudoun County, Virginia, and flows south to the Occoquan...

The Occoquan River is a tributary of the Potomac River in Northern Virginia, where it serves as part of the boundary between Fairfax and Prince William...

Horsepen Branch Indian Creek (Anacostia River tributary) Indian Creek (Patuxent River tributary) Israel Creek Israel Creek (Potomac River tributary) James...

Cockle Creek Machipongo River Pocomoke River Potomac River Hull Creek Coan River Yeocomico River Northwest Yeocomico River South Yeocomico River West Yeocomico...

Opequon Creek (historically also Opecken) is an approximately 35 mile tributary stream of the Potomac River. It flows into the Potomac northeast of Martinsburg...

Foundry Branch is a tributary stream of the Potomac River in Washington, D.C. The historic headwaters of the stream were in the Tenleytown area in Northwest...

Sleepy Creek is a 44.0-mile-long (70.8 km) tributary of the Potomac River in the United States, belonging to the Chesapeake Bay's watershed. The stream...

(130.4 km) shallow river known for its fishing, boating, wildlife, hunting, and wilderness scenery. As part of the Potomac River watershed, it is an...

Patuxent River is a tributary of the Chesapeake Bay in the state of Maryland. There are three main river drainages for central Maryland: the Potomac River to...

Fishing Creek (Lancaster County) Muddy Creek (Susquehanna River tributary) North Branch Muddy Creek South Branch Muddy Creek Tucquan Creek Otter Creek Pequea...

City of Alexandria. The stream eventually empties into the Potomac River immediately south of Reagan National Airport. The name Four Mile Run does not...

Catoctin Creek is a 27.9-mile-long (44.9 km) tributary of the Potomac River in Frederick County, Maryland, US. Its source is formed north of Myersville...

(185 km) North Branch Potomac River – 103 miles (166 km) Conococheague Creek – 80 miles (130 km) Choptank River – 71 miles (114 km) Pocomoke River – 66 miles...