The ascent to Mortirolo from Mazzo di Valtellina (Passo della Foppa) has been the scene of great challenges, ever since it was discovered by the Giro d'Italia in 1991. It then became famous for the exploits of Marco Pantani. In 2011 it also became part of the long course of the Granfondo dello Stelvio.
According to many, it is the toughest climb in Europe. Due to its hardness, the prohibitive slopes (max 18%) and the length, the climb to Mortirolo has become a challenge that every cyclist would like to face.
It starts from the village of Mazzo in Valtellina for the most classic of the Mortirolo climbs. We set off immediately with very demanding slopes, which never let up for the first 5 km.
After which the road becomes a little less tough, but it always lasts up to the pass, where you can find a structure indoors to change.