The Tennessee Road Trail to the Iron Furnace at Cumberland Gap National Historical Park near Cumberland Gap, Virginia is an easy 0.7 mile out-and-back hike from the parking lot up to the Iron Furnace and Wilderness Road Trail and back.
The trail head, shown on the opposite end in the GPS data, starts on the border of Tennessee and Virginia, but technically lies in Virginia. You'll pass the Iron Furnace after about 0.1 or 0.2 miles on the trail (you can't miss it) before heading up a couple of switchbacks to the Wilderness Road Trail.
Explore our Appalachian Trail (AT) section hikesMt. Katahdin, Maine
Explore our Pacific Crest Trail (PCT) section hikesJMT/PCT Duck Pass Trailhead to Vermillion Valley, California