New River Trail State Park
New River Trail State Park is a 57.7-mile (92.9 km) rail trail and 1,217-acre (1.902 sq mi) state park located entirely in southwest Virginia, extending from the trail's northeastern terminus in Pulaski to its southern terminus in Galax, with a 5.5-mile (8.9 km) spur from Fries Junction on the main trail to Fries. Designated a National Recreation Trail, the linear park follows 39 miles (63 km) of the New River, which is one of the five oldest rivers in the world.
Source: Wikipedia — New River Trail State Park (CC BY-SA 4.0)