The Potomac River is located within the Mid-Atlantic region of the United States and flows from the Potomac Highlands into the Chesapeake Bay. The river is approximately 405 miles (652 km) long, with a drainage area of about 14,700 square miles (38,000 km2). In terms of area, this makes the Potomac River the fourth largest river along the Atlantic coast of the United States and the 21st largest in the United States. Over 5 million people live within the Potomac watershed.
Potomac is a census-designated place (CDP) in Montgomery County, Maryland, United States, named for the nearby Potomac River. In 2013, CNNMoney listed Potomac as the most affluent town in all the United States, based on median household income. Potomac is also the seventh-most top-educated American small town according to Forbes. Bloomberg Businessweek labeled Potomac as the twenty-ninth-richest zip code in the United States in 2011, stating that it had the largest population of any U.S. town with a median income of more than $240,000. In 2012, The Higley Elite 100 published a list of highest-income neighborhoods by mean household income, which included four neighborhoods in Potomac; one of these neighborhoods, "Carderock-The Palisades" was ranked the highest-income neighborhood in the United States, followed by "Beverly Hills-North of Sunset" in Beverly Hills, California, and "Swinks Mill-Dominion Reserve" of McLean, Virginia. More recently, two Potomac neighborhoods were ranked among the ten wealthiest neighborhoods in the country by CNBC in 2014. In 2018, data from the American Community Survey revealed that Potomac was the sixth-wealthiest city in the United States. Many Potomac residents work in nearby Washington, D.C.
Interstate 495 (I-495) is a 64-mile (103 km) Interstate Highway that surrounds Washington, D.C., the capital of the United States of America, and its inner suburbs in adjacent Maryland and Virginia. I-495 is widely known as the Capital Beltway, or simply the Beltway, especially when the context of Washington, D.C., is clear. It is the basis of the phrase "inside the Beltway", used when referring to issues dealing with American government and politics. I-95 utilizes the southern and eastern half of the Capital Beltway to circumnavigate Washington, D.C., and is cosigned with I-495 along that portion.
The Potomac Heritage Trail, also known as the Potomac Heritage National Scenic Trail or the PHT, is a designated National Scenic Trail corridor spanning parts of the mid-Atlantic and upper southeastern regions of the United States that will connect various trails and historic sites in the states of Virginia, Maryland, and Pennsylvania and the District of Columbia. The trail network includes 710 miles (1,140 km) of existing and planned sections, tracing the outstanding natural, historical, and cultural features of the Potomac River corridor, the upper Ohio River watershed in Pennsylvania and western Maryland, and a portion of the Rappahannock River watershed in Virginia. The trail is managed by the National Park Service.
Theodore Roosevelt Island is an 88.5-acre (358,000 m2) island and national memorial located in the Potomac River in Washington, D.C. The island was given to the Federal government by the Theodore Roosevelt Association in memory of the 26th president, Theodore Roosevelt. Until then, the island had been known as My Lord's Island, Barbadoes Island, Mason's Island, Analostan Island, and Anacostine Island.
The Rock Creek and Potomac Parkway, often known simply as the Rock Creek Parkway, is a parkway maintained by the National Park Service as part of Rock Creek Park in Washington, D.C. It runs next to the Potomac River and Rock Creek in a generally north–south direction, carrying four lanes of traffic from the Lincoln Memorial and Arlington Memorial Bridge north to a junction with Beach Drive near Connecticut Avenue at Calvert Street, N.W., just south of the National Zoological Park.
The Babcock Lakes were a series of water ponds formerly located near the Washington Monument in Washington, D.C., before the area became the National Mall. In 1878, they were designated as fisheries by the United States Fish Commission, in an effort to increase availability of commercial fish in America. While extant, the lakes played a key role in introducing carp into the United States. By 1896, some 2.4 million carp had been distributed from the lakes to restock fish supplies in both North and South America.
Hains Point is located at the southern tip of East Potomac Park between the main branch of the Potomac River and the Washington Channel in southwest Washington, D.C. The land on which the park is located is sometimes described as a peninsula but is actually an island: the Washington Channel connects with the Tidal Basin north of the park and the Jefferson Memorial. The island is artificial: it was built up from Potomac dredging material from 1880 to 1892.
The Three Sisters are three rocky islands in the Potomac River in Washington, D.C., west of the Key Bridge. A notable landmark in colonial times, the islets are less well known as the Three Sisters Islands and Three Sisters Island.
Harpers Ferry National Historical Park is located at the confluence of the Potomac and Shenandoah rivers in and around Harpers Ferry, West Virginia. The park includes land in the Shenandoah Valley in Jefferson County, West Virginia; Washington County, Maryland and Loudoun County, Virginia. The park is managed by the National Park Service, an agency of the U.S. Department of the Interior. Originally designated Harpers Ferry National Monument in 1944, the park was declared a National Historical Park by the U.S. Congress in 1963. The park includes the historic town of Harpers Ferry, notable as a center of 19th-century industry and as the scene of John Brown's failed abolitionist uprising. Consisting of almost 4,000 acres (16 km2), it includes the site of which Thomas Jefferson once wrote, "The passage of the Potomac through the Blue Ridge is perhaps one of the most stupendous scenes in Nature" after visiting the area in 1783. Due to a mixture of historical events and ample recreational opportunities, all within 50 miles (80 km) of Washington, D.C., the park was listed on the National Register of Historic Places on October 15, 1966. The Park's Superintendent is presently Tyrone Brandyburg.
Independence Avenue is a major east-west street in the southwest and southeast quadrants of the city of Washington, D.C., in the United States, running just south of the United States Capitol. Originally named South B Street, Independence Avenue SW was constructed between 1791 and 1823. Independence Avenue SE was constructed in pieces as residential development occurred east of the United States Capitol and east of the Anacostia River. Independence Avenue SW received its current name after Congress renamed the street in legislation approved on April 13, 1934. Independence Avenue SW originally had its western terminus at 14th Street SW, but was extended west to Ohio Drive SW between 1941 and 1942. The government of the District of Columbia renamed the portion of the road in the southeast quadrant of the city in 1950.
Great Falls is a series of rapids and waterfalls on the Potomac River, 14 miles (23 km) upstream from Washington, D.C., on the border of Montgomery County, Maryland and Fairfax County, Virginia. Great Falls Park, operated by the National Park Service, is located on the southern banks in Virginia, while Chesapeake and Ohio Canal parkland is located along the northern banks of the river in Maryland. The Potomac and the falls themselves are legally entirely within Maryland, with the state and county boundaries following the south bank of the river.
The Tidewater Lock is a dam in Washington, D.C. to the west of the mouth of Rock Creek at the Potomac River, on the east side of Georgetown. Built to connect the Chesapeake and Ohio Canal, opened in 1831, with the Potomac, it was a busy maritime intersection during several decades of the canal's heyday. C&O documents refer to it variously as Lock 0 and Tide Lock A.
The McMillan Plan is a comprehensive planning document for the development of the monumental core and the park system of Washington, D.C., the capital of the United States. It was written in 1902 by the Senate Park Commission. The commission is popularly known as the McMillan Commission after its chairman, Senator James McMillan of Michigan.
Little Falls Branch, a 3.8-mile-long (6.1 km) tributary stream of the Potomac River, is located in Montgomery County, Maryland. In the 19th century, the stream was also called Powder Mill Branch. It drains portions of Bethesda, Somerset, Friendship Heights, and the District of Columbia, flows under the Chesapeake and Ohio Canal (C&O), and empties into the Potomac at Little Falls rapids, which marks the upper end of the tidal Potomac.
Boundary Channel is a channel off the Potomac River in Washington, D.C. The channel begins at the northwestern tip of Columbia Island extends southward between Columbia Island and the Virginia shoreline. It curves around the southern tip of Columbia Island before heading northeast to exit into the Potomac River. At the southwestern tip of Columbia Island, the Boundary Channel widens into the manmade Pentagon Lagoon.
The Washington Canoe Club is a boat club on the Potomac River.
It is located at 3700 K Street, Northwest, Washington, D.C., in the Georgetown neighborhood. It was established in 1904. The Canoe Club was listed in the National Register of Historic Places in on March 19, 1991.
