National Wildlife Refuge Mason Neck is located in Virginia, not Maryland.

National Wildlife Refuge Mason Neck is a protected area managed by the U.S. Fish and Wildlife Service. It is located in Virginia, near the Potomac River and the Chesapeake Bay. The refuge covers 2,200 acres of forests, wetlands, and meadows, providing a habitat for various wildlife species, including bald eagles, ospreys, great blue herons, and more.

There are several good reasons to visit National Wildlife Refuge Mason Neck, including birdwatching, hiking, and wildlife viewing. Visitors can take guided tours of the refuge, go fishing or boating, and attend educational programs. The refuge also features a Visitor Center, which provides information about the area's history, ecology, and wildlife.

Some specific points of interest to see at National Wildlife Refuge Mason Neck include the Eagle's Nest Overlook, the Marsh Boardwalk, and the Bay View Trail. The Eagle's Nest Overlook is an observation deck that offers a panoramic view of the Potomac River and the surrounding forests. The Marsh Boardwalk is a wooden walkway that allows visitors to explore the refuge's wetlands and observe various waterfowl and other wildlife. The Bay View Trail is a hiking trail that winds through the forest and offers a glimpse of the Chesapeake Bay.

Interesting facts about the area include the fact that National Wildlife Refuge Mason Neck was once home to George Mason, a founding father of the United States and the author of the Virginia Declaration of Rights. The refuge is also one of the few places in the country where bald eagles can be seen year-round.

The best time of year to visit National Wildlife Refuge Mason Neck is during the fall and winter months when migratory birds pass through the area. However, the refuge is open year-round, and each season offers a unique experience for visitors.