Custis, Washington-Old Dominion, and Mount Vernon Trail Loop

The loop is generally considered moderate for touring cyclists. While the Mount Vernon and W&OD Trails are mostly flat and easy, the Custis Trail segment features significant hills and can be quite challenging, especially when traveling from east to west. The combined loop offers a good workout.

The loop is predominantly paved with asphalt. The Custis Trail is notably hilly with ascents and descents, while the Mount Vernon Trail is largely flat with occasional rolling hills and some bumpy boardwalk sections. The W&OD Trail portion is generally flat and straight, following a former rail line.

The trails are well-integrated with the metropolitan area, and there are several Metro stations conveniently located near different sections of the loop, providing public transport access. Parking is available at various points along the trails, though specific parking lots are not detailed in the provided information. Consider starting near a Metro station for easy access.

You'll encounter a variety of interesting spots. Highlights include the historical Bluemont Caboose, the Roaches Run Waterfowl Sanctuary, and excellent plane spotting opportunities at Gravelly Point Park. You'll also get scenic views of the Potomac River, the Washington, D.C. skyline, and iconic landmarks like the Lincoln Memorial and Washington Monument from viewpoints such as Lady Bird Johnson Park and Arlington Memorial Bridge and View of the Lincoln Memorial and Washington Monument.

Spring and fall generally offer the most pleasant cycling conditions with mild temperatures and beautiful scenery. The Mount Vernon Trail, in particular, provides spectacular views year-round. While winter cycling is possible, be prepared for colder temperatures and potential icy patches, especially on less exposed sections.

While sections like the Mount Vernon Trail and W&OD Trail are generally easy and suitable for beginners, the inclusion of the hilly Custis Trail makes the full loop more challenging. Beginners might consider cycling only the flatter segments or opting for a shorter route until they build more endurance.

Yes, this loop is part of a larger interconnected network. It seamlessly links major regional trails, including sections of the Four Mile Run Trail, Mount Vernon Trail, Custis Trail, 9-11 Trail (Virginia), and the Washington & Old Dominion Trail, forming the extensive Arlington Loop.

Yes, these multi-use trails are generally dog-friendly. Please ensure your dog is kept on a leash at all times and that you clean up after them to maintain a pleasant experience for all users.

No, there are no permits or entrance fees required to access and cycle on the Custis, Washington-Old Dominion, and Mount Vernon Trails. They are publicly accessible multi-use paths.

While specific locations for restrooms and water are not detailed, multi-use trails of this length and popularity typically have facilities available at parks or trailheads along the way. You may also find amenities in nearby urban areas like Old Town Alexandria. It's always a good idea to carry your own water, especially on longer rides.

This loop is notable for its excellent connectivity, linking several major regional trails into an extensive non-motorized corridor. It offers a diverse experience, transitioning from challenging urban-adjacent hills to serene waterfront views and flatter, longer-distance cruising. The historical and cultural significance, especially along the Mount Vernon Trail with its views of national monuments, also makes it a unique ride.