Virginia countryside horseback in Arlington, Virginia

The W&OD Trailhead is a park located in Arlington, Virginia, United States. This park is part of the Washington and Old Dominion Railroad Regional Park, offering a 45-mile paved trail for running, cycling, skating, and horseback riding. The park has multiple access points with parking areas, allowing users to easily jump on and off the trail at various points. Visitors can also book cabins and camping at nearby regional parks or cottages at Algonkian Regional Park. The W&OD Trail is open from 5 a.m. to 9 p.m. from Shirlington in Arlington County to the western town limit of Herndon in Fairfax County. Beyond Herndon, users must obey dusk mandates. The park is known as the skinniest park in Virginia, running through urban areas and into the Virginia countryside.