Accotink Bay Wildlife Refuge is a nature preserve on the grounds of Fort Belvoir in Fairfax County, Virginia, United States. Several other parks, including Mason Neck State Park, Pohick Bay Regional Park, and the Jackson Miles Abbott Wetland Refuge are located nearby. The refuge was established in 1979 to protect sensitive wetlands and wildlife habitats associated with and to provide opportunities for environmental education and low-intensity recreation. The refuge offers more than eight miles of hiking trails, including a short paved trail for handicapped access.