Occoquan River

Occoquan River
Tributary to Potomac River
Occoquan River near Fountainhead Regional Park
Location of Occoquan River mouth
Occoquan River (the United States)
Location
CountryUnited States
StateVirginia
CountyFairfax
Prince William
TownOccoquan
Physical characteristics
Sourceconfluence of Broad Run and Cedar Run
  locationBrentsville, Virginia
  coordinates38°41′17″N 077°29′19″W / 38.68806°N 77.48861°W / 38.68806; -77.48861
  elevation149 ft (45 m)
MouthPotomac River
  location
Belmont Bay, about 2 miles southeast of Woodbridge, Virginia
  coordinates
38°39′15″N 077°13′34″W / 38.65417°N 77.22611°W / 38.65417; -77.22611
  elevation
0 ft (0 m)
Length26.81 mi (43.15 km)
Basin size616.11 square miles (1,595.7 km2)
Discharge 
  locationPotomac River
  average775.94 cu ft/s (21.972 m3/s) at mouth with Potomac River
Basin features
Progressionnortheast then southeast
River systemPotomac River
Tributaries 
  leftBroad Run, Piney Branch, Cabin Run, Bull Run, Wolf Run, Stillwell Run, Sandy Run, Elkhorn Run, Massey Creek
  rightCedar Run, Purcell Branch, Champs Mill Branch, Crooked Creek, Airport Creek, Hooes Run
WaterbodiesLake Jackson
Occoquan Reservoir
BridgesVA 234, VA 294, VA 663, VA 123, I-95, US 1

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 counties. The river is a scenic area, and several local high schools and colleges use the river for the sport of rowing.