Bull Run (Occoquan River tributary)
General data
- Name: Bull Run (Occoquan River tributary)
- Water system: Potomac River
- Water type: Stream
- Progression: Occoquan River -> Potomac River -> Chesapeake Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Bull Run is a 31.8-mile-long (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 River.
Bull Run serves as the boundary between Loudoun County and Prince William County, and between Fairfax County and Prince William County.
