The Fruttstägä via ferrata is two years old but is yet to see it's first Hikr ascent. It's a short route that can be done in half a day, or it can be the start of a longer tour in the Chaiserstock massif. We go for the second option. From Biel/Kinzig, signposts show the way to the start of the Fruttstägä via ferrata (K4-)....