Friends of Dyke Marsh

Friends of Dyke Marsh Friends of D**e Marsh is a volunteer group dedicated to preserving, restoring, & enhancing D**e Marsh.

We provide educational programs, nature walks, and other activitities. D**e Marsh, in Alexandria, VA, is part of the George Washington Memorial Parkway. During the last half of the twentieth century, the growth of the Washington area led to pressures on environmentally sensitive areas, including D**e Marsh. Plans were developed to again use the marsh as a dumping area, this time as a depository fo

r dredged river spoil. (In the 1930's, construction scrap was heaped into the marsh). In 1975, a group of local people decided to form a non-profit organization for the purpose of cooperating with the U.S. National Park Service in promoting the well-being of the marsh. Since then the Friends have continued to work as an educational group, holding quarterly open meetings, publishing a newsletter known as The Marsh Wren, raising money to sponsor scientific studies of the marsh and conducting weekly nature walks. The Friends also play an activist role, opposing inappropriate activities that impinge on the health of the marsh as a wildlife habitat. Many volunteers compile and organize data to serve as a basis for preserving the integrity of the marsh. Our members devote hundreds of hours in the field to complete our annual Breeding Bird Survey that helps us understand avian life in the D**e Marsh Wildlife Preserve

FODM volunteers tabled at Mount Vernon District’s Summer Palooza. Many adults picked up literature about D**e Marsh and ...
06/06/2026

FODM volunteers tabled at Mount Vernon District’s Summer Palooza. Many adults picked up literature about D**e Marsh and learned about the programs and volunteer opportunities that we offer. Dozens of children enjoyed coloring birds at our table while they chatted with us.

On May 20, members of Nature Forward, led by naturalist Genevieve Wall, had a “fish walk” in D**e Marsh. It was World Fi...
05/25/2026

On May 20, members of Nature Forward, led by naturalist Genevieve Wall, had a “fish walk” in D**e Marsh. It was World Fish Migration Day and Wall described many fish species in the Potomac River, like American shad and white perch and the invasive Northern snakehead and blue catfish. Just past “Dead Beaver Beach” the group heard a loud hoot and came upon a teen, Richard, who hauled out a blue catfish about 18 inches long on his line. Wall said that these fish are voracious eaters and reproduce quickly.

At one point, several people saw a juvenile bald eagle on a tree limb, apparently begging for food. Unfortunately, half of the bald eagle nest near the Haul Road Trail collapsed in May and one young seems to be surviving.

All of us, feathered and non, are grateful for the recent rain.  These mallards were sipping rainwater on  May 20, 2026,...
05/23/2026

All of us, feathered and non, are grateful for the recent rain. These mallards were sipping rainwater on May 20, 2026, at the Haul Road Trail and marina road.

Tackling the Never-Ending TrashOn May 2, 35 hearty volunteers hauled 18 bags of trash out of D**e Marsh and along the Po...
05/04/2026

Tackling the Never-Ending Trash

On May 2, 35 hearty volunteers hauled 18 bags of trash out of D**e Marsh and along the Potomac River/Belle Haven Park shoreline in two hours at low tide. We send a big thank you to these stalwarts who care and are good stewards of our natural resources. FODM again partnered with George Washington Memorial Parkway, National Park Service, for this event.

Learn How to Manage Invasive PlantsNational Park Service staff will conduct a two-part training for volunteers on how to...
05/02/2026

Learn How to Manage Invasive Plants

National Park Service staff will conduct a two-part training for volunteers on how to manage invasive plants: May 13, 6 to 9 p.m. via Zoom and May 16, in the field. Those who complete both parts can become NPS “weed warriors.” For those who complete the May 13 training, NPS will provide the location for the May 16 training. Register at https://secure.everyaction.com/dMHc41zcN0aFtI32Tl6iYw2.

05/01/2026

Tree of heaven (ailanthus altissima) has a lovely name but is non-native, invasive, and kills native plants around it. It is also the host tree to the often destructive spotted lanternfly (Lycorma delicatula). Here, a pileated woodpecker (Dryocopus pileatus) eats larval spotted lantern flies on a tree of heaven on the western side of D**e Marsh. The National Park Service has treated this tree and is trying to control other ones that are popping up.

The western part of D**e Marsh is starting to look very green as pickerelweed (Pontederia cordata), arrow arum (Peltandr...
04/27/2026

The western part of D**e Marsh is starting to look very green as pickerelweed (Pontederia cordata), arrow arum (Peltandra virginica), common spatterdock (Nuphar advena), Wild Rice (Zizania aquatica), and other plants common this tidal marsh begin to grow.

Address

George Washington Memorial Parkway, Beside Belle Haven Park And Marina
Alexandria, VA
22307

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