Location
Popes Head Creek is a 19-square-mile watershed on the southern edge of Fairfax County that drains to the Occoquan River.

Major Streams and Tributaries
East Fork, Piney Branch and Castle Creek

Unique Features
This watershed is home to Hemlock Overlook Regional Park and the Audubon Naturalist Society’s Webb Sanctuary. Popes Head Creek is a major tributary of Bull Run and the Occoquan River, which provides drinking water to more than half of Fairfax County. This watershed is under the jurisdiction of Fairfax County, except in the Town of Clifton and a small part of the City of Fairfax