The W&OD Trail, or Washington and Old Dominion Trail, is a popular multi-use recreational path in Northern Virginia. Stretching approximately 45 miles, it runs from Shirlington in Arlington to Purcellville in Loudoun County. The trail is primarily used for walking, running, cycling, and horseback riding, making it a favorite among outdoor enthusiasts. Originally a railway line, the trail was converted into a recreational space in the 1980s. It features scenic views, access to parks, and connections to various communities. Along the way, users can find amenities such as restrooms, picnic areas, and parking lots, enhancing the overall experience.