Mason Neck National Wildlife Refuge is located in Virginia, near the Potomac River. Established in 1969, it aims to protect habitats for various wildlife species, particularly the endangered bald eagle. The refuge covers over 2,000 acres of wetlands, forests, and fields, providing a sanctuary for both migratory and resident birds. Visitors can enjoy activities such as hiking, birdwatching, and photography along the refuge's trails. The U.S. Fish and Wildlife Service manages the area, ensuring the conservation of its natural resources while promoting public education and enjoyment of the outdoors.