Cumberland Marsh Natural Area Preserve is a Natural Area Preserve located in New Kent County, Virginia, near the Cumberland Hospital Children-Adolescents. Owned by the Nature Conservancy, it preserves of freshwater tidal marsh along the Pamunkey River, providing habitat for bald eagles, osprey, blue herons, and egrets, as well as for the sensitive joint-vetch. It is also an important habitat for wintering waterfowl.