Trash Free Potomac Network - Connecting for a Trash Free Watershed

Cleanup at Dyke Marsh and Belle Haven Park
Cleanup Event

This Cleanup is part of the Potomac River Watershed Cleanup

April 18, 2020, 9:00 AM to 12:00 PM

Dyke Marsh & Belle Haven Picnic Area

Site Type

River (Active since 2010)


County: Fairfax

State: Virginia

Zip: 22307

Nearest City: Alexandria

GPS Coordinates: 38.7778, -77.05128


Directions: Belle Haven Picnic Area and Dyke Marsh are along the George Washington / Mount Vernon Parkway, approximately one mile south of oldtown Alexandria. The Parkway is a continuation of Alexandria's Washington Street.

On I-495 (the Beltway) from Maryland, use the local lanes, take the very first exit after the Woodrow Wilson Bridge (marked Mount Vernon), turn right at the stop light, and go south approximately one mile to the well-marked entrance on the left. Park in the picnic area parking lot.

On I-495 (the Beltway) from Virginia, use the local lanes, take the exit to Rte 1 south, marked Fort Belvoir, stay to the right and follow signs to Fort Hunt Road. In about 0.3 mile, turn left on Belle Haven Road. At the Parkway, turn right, and then immediately left into the well-marked entrance. Park in the picnic area parking lot.

Watershed Middle Potomac
Sub Watershed

Parking Capacity: 100

Restrooms are available.

This site is suitable for children under seven.

This site is suitable for the elderly.

This site is NOT suitable for the disabled.

Notes & Special Issues

Dyke Marsh and Belle Haven Picnic Area are within the George Washington Memorial Parkway National Park, under the jurisdiction of the National Park Service. Permission to register this site has been granted by NPS


What To Expect


This site is open to the public

RSVP Not Required

Maximum Volunteers: 80

Contact Info.

Glenda Booth