Is this really a trail?
This video was taken at Leukerbad in Switzerland. The "trail" climbs the rock face of the mighty Dauberhorn which towers above Leukerbad on what is known as a via ferrata, or a mountain route equipped with fixed cables and ladders wherever necessary. It's an experience somewhere between mountain hiking and all-out mountaineering.
Roughly 708 feet of ladders and over 6500 feet of steel cable have been installed in the rock face of the Dauberhorn. There's also a 330-foot long natural cave that is traversed along the way: