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Broad Run (Loudoun County, Virginia) facts for kids

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Broad Run
2019-07-19 13 00 36 View northeast along Broad Run as it passes between the Loudoun County Parkway and Old Ox Road on the edge of the Dulles section of Sterling, Arcola, Brambleton and Loudoun Valley Estates in Loudoun County, Virginia.jpg
Broad Run passes through an increasingly suburbanized environment in eastern Loudoun County
Country United States
State Virginia
Region Loudoun County
Physical characteristics
Main source Aldie
38°59′10″N 77°35′11″W / 38.9862207°N 77.586381°W / 38.9862207; -77.586381
River mouth Potomac River
184 ft (56 m)
39°04′16″N 77°26′38″W / 39.0712187°N 77.4438770°W / 39.0712187; -77.4438770
Basin features
Basin size 91.3 sq mi (236 km2)
  • Left:
    Beaverdam Run
  • Right:
    Lenah Run, South Fork (Shenandoah River), Cabin Branch (Arcola), Horsepen Run, Cabin Branch (Sterling)

Broad Run is a tributary of the Potomac River in Loudoun County, Virginia. The creek, located between Goose Creek and Sugarland Run, principally drains portions of eastern Loudoun County, as well as a small portion of western Fairfax County.

The headwaters of the creek are located about 3 miles (4.8 km) northeast of Aldie. The creek flows eastward near Arcola and continues generally northeast to its mouth at the Potomac near the southern end of Seldon's Island to the north of Sterling and about 10 miles (16 km) southeast of Leesburg. The watershed of the creek is 67.5 mi2 (175 km2) in Loudoun and 23.8 mi2 (62 km2) in Fairfax.

The majority of the run forms the border between the unincorporated areas of Ashburn and Sterling. The Broad Run Magisterial District of Loudoun and Broad Run High School derive their names from the waterway. The Broad Run Bridge and Tollhouse is a national listed historic site.

The creek should not be confused with the nearby Broad Run (a tributary of the Occoquan River) that flows through Fauquier and Prince William Counties.


Tributaries are listed in order from the source of Broad Run to its mouth.

  • Lenah Run
  • South Fork Broad Run
  • Cabin Branch 1
  • Horsepen Run
    • Indian Creek
    • Stallion Branch
  • Cabin Branch 2
  • Beaverdam Run
    • Russell Branch
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