• Aerial view of the Parkway in the fall

    George Washington

    Memorial Parkway DC, MD, VA

  • Road Closure Sunday, May 27, 2012 anytime between 9 a.m. to 5 p.m.

    Arlington Memorial Bridge and Memorial Circle will be closed for the Rolling Thunder XXV First Amendment Demonstration Run. Please be flexible to increased traffic and potential closures in the area all weekend.

Fish

Image of a Greenside Darter

Freshwater Fishes by L.M. Page and B.M. Burr

Greenside Darter, found in GWMP only in CabinJohn Creek, Maryland.

The Potomac River and its tributary streams within the George Washington Memorial Parkway (GWMP) are home to at least 61 species of fish (and one hybrid). Mine Run in Great Falls Park has the highest species richness of any stream in GWMP with 22 species recorded. Within GWMP, the Fallfish (Semotilus corporalis) and Longear Sunfish (Lepomis megalotis) are found only in Mine Run, the Swallowtail Shiner (Notropis procne), Fantail Darter (Etheostoma flabellare), Potomac Sculpin (Cottus girardi), and the Satinfin Shiner (Cyprinella analostana) are restricted to Turkey Run, and the Northern Hogsucker (Hypentelium nigricans) and Margined Madtom (Noturus insignis) are found only in Difficult Run. While on the Maryland side of GWMP the Sea Lamprey (Petromyzon marinus), Golden Redhorse (Moxostoma erythrurum) and Greenside Darter (Etheostoma blennioides) are known to occur only in Cabin John Creek. The American Eel (Anguilla rostrata) is found in more GWMP streams than any other species. Dyke Marsh, located along the Potomac River, is home to at least 38 species.

Did You Know?

U.S. Marine Corps War Memorial

The U.S. Marine Corps War Memorial honors Marines who sacrificed their lives for their nation. The statue is based on a photograph taken on Iwo Jima during World War II and was dedicated in 1954.