Photo: Billy Goat Towpath

Billy Goat Towpath

Photo: Billy Goat Trail A (4.7 mi.): Arguably the most popular destination on our list and just a half hour from D.C., Great Falls attracts thousands of hikers each year. The "Billy Goat” trail system is well-traveled, and it is recommended that hikers start early to avoid heavy traffic along the footpath. The route is divided into three sections; of them, section A is the most difficult, but also the most scenic. Difficulty: Strenuous

Billy Goat Trail A (4.7 mi.): Arguably the most popular destination on our list and just a half hour from D.C., Great Falls attracts thousands of hikers each year. The "Billy Goat” trail system is well-traveled, and it is recommended that hikers start early to avoid heavy traffic along the footpath. The route is divided into three sections; of them, section A is the most difficult, but also the most scenic. Difficulty: Strenuous