The Roller Coaster is one of the most challenging sections of the AT. The terrain is as follows: climb, descend, repeat. You gain nearly a mile in elevation over the course of 12 miles on the roller coaster and finishing the section is a fulfilling accomplishment.
Section hike from Keys Gap at the VA/WV border to Snickers Gap, VA. One AT shelter, three overlooks, and 13 miles of what you would expect on the AT.
Day hike from Harpers Ferry, WV to Keys Gap along the Appalachian Trail. 12 miles round-trip including Civil War remnants, a conversation with a thru-hiker, and some cool wildlife and plant specimens.
Suggested hiking route through a Civil War battlefield PLUS a possibly historically inaccurate history lesson