Location
Accotink Creek is a 51-square-mile watershed located in the center of Fairfax County and drains southeast to Accotink Bay, then Gunston Cove and finally to the Tidal Potomac River.

Major Streams and Tributaries
Major tributaries to Accotink Creek include Bear Branch, Crook Branch, Daniels Run, Hunters Branch and Long Branch.

Unique Features
Lake Accotink, with a surface area of approximately 70 acres, is located in the central portion of the watershed. Approximately 12 square miles of the watershed are not under the jurisdiction of Fairfax County, lying within the City of Fairfax or Fort Belvoir.