Dyke Marsh is one of the largest remaining freshwater tidal wetlands in the Washington metropolitan area. Its 485 acres of tidal marsh, floodplain, and swamp forest can be explored by boat or on foot.
To ensure the safety of our residents and visitors, many attractions and events have been impacted, and in most cases, cancelled or closed. As many of us stay home during these unprecedented times, Fairfax County is offering ways to serve you, feed you, and keep you entertained. Learn More