Dyke Marsh: Explore, Learn and Protect
Friends of Dyke Marsh is a volunteer group dedicated to preserving, restoring and enhancing Dyke Marsh, a freshwater tidal marsh in Fairfax County on the Potomac River just south of Alexandria, Virginia.
The Dyke Marsh Wildlife Preserve is a unit of the George Washington Memorial Parkway and is administered by the National Park Service.
Upcoming Events
Help Tackle Invasive Plants
Help protect native plants by pulling and clipping invasive plants. We will train volunteers to identify the five or so target plants. We kindly ask that you not bring pets. Invasive plants can threaten and outcompete native plants.

Butterfly Walk
Join FODMers August 30, 1 p.m., for a butterfly and dragonfly walk with Larry Meade. Meet at the south Belle Haven Park parking lot. Limited to 20 people. Bring water and wear sturdy shoes and sun protection.

Ecology Walk
NOTICE: Due to unforeseen circumstances, we have to cancel this walk and will try to reschedule it at a later time.
Join naturalist and biologist Charles Smith on September 6, 10 a.m. on an ecology walk and learn all about tidal marsh ecology, vegetative communities, system stressors, seasonality of vegetation and wildlife and ecosystems’ importance. So everyone can hear and learn, we have to limit the walk to 20 people. Meet at the Haul Road Trail entrance. Bring water, wear sturdy shoes and sun protection.
News
Discover the Wonders of Dyke Marsh
Habitat
Delve deeper into the wonders of marshes, their vital role in our ecosystem and the unique habitat they provide.
Wildlife
Birds, reptiles, mammals and more, learn about the diversity of wildlife that call Dyke Marsh home.
Plants
Discover the vital role native plants play in supporting biodiversity, restoring habitats and sustaining the ecosystem at Dyke Marsh.
Conservation
Explore our ongoing conservation and restoration efforts and discover how you can make a difference.