These are from my 4 mile Chimney Tops Trail hike. 2 miles straight up a mountain and 2 miles down. Ouch. We started out just as the sun was rising and didn't see another person until after we turned around for the hike down. It was a beautiful morning and a beautiful hike. It was also completely exhausting. My legs were trembling the last 1 1/2 miles down. Way better than a stair climber.