New via ferrata climbing routes pop up every summer in the Alps and they are enormously tempting for climbers, enabling them to access remoter parts of the mountains. Via ferrata translates as “iron path” and describes metal rungs, ladders or permanently fixed safety wires set up to help people cross steep rocky terrain. They’re increasingly popular as they allow even beginners to reach lofty heights in the Alps. However, these are also highly challenging and beside the increasing number of via ferratas, there’s also been a surge in emergency callouts, summer 2020 statistics show. That has bec…