The Apple Grove to Ashland KY trail is a 75.84-kilometer hiking route following the scenic Ohio River corridor near Proctorville, Ohio, with connections to the historic Lewis & Clark National Historic Trail. This extensive trail features 464 panoramic scenes, river access points with water data monitoring, and relatively low elevation at 160.72 meters, making it ideal for long-distance river valley hiking. Hikers can explore the border region between Ohio and Kentucky while experiencing the natural beauty and historical significance of the Ohio River watershed.