Accotink Creek

Accotink Creek is a 25.0 mi tributary stream of the Potomac River in Fairfax County, Virginia, in the United States. At Springfield, Virginia, Accotink Creek is dammed to create Lake Accotink. The stream empties into the Potomac at Gunston Cove's Accotink Bay, to the west of Fort Belvoir.

Variant names
According to the Geographic Names Information System, it has also been known historically as:
 * Accotonck Creek
 * Main Branch

Course
Accotink Creek rises near the intersection of Rt. 66 and Rt. 123 in Fairfax County, Virginia. Accotink Creek then flows southeast to meet the Potomac River in Accotink Bay at Fort Belvoir Military Reservation.

Watershed
Accotink Creek drains 52.82 sqmi of area, receives about 43.7 in/year of precipitation, has a topographic wetness index of 436.37 and is about 22.5% forested.