Härtester Anstieg Italiens — Steigungen bis 18%. Berühmt aus dem Giro d'Italia. Die Südseite von Mazzo di Valtellina ist brutal, eng und fordert alles. Nur für mutige Fahrer mit starkem Motor.
The Mortirolo Pass (el. 1852 m.) is a high mountain pass in the Alps in Italy. Also known as Passo della Foppa, it connects Mazzo di Valtellina and Val Camonica. The road from Mazzo di Valtellina is one of the most demanding climbs in professional road bicycle racing, having been used in the Giro d'Italia stage race many times.