ラルプ・デュエズ
The 2013 Tour de France included 28 climbs ranked Category 2 or higher of which seven were Hors catégorie climbs, eight Category 1 and thirteen were Second Category. There were four "mountain top" finishes: at Ax-3 Domaines in the Pyrenees, Mont Ventoux in Provence, and Alpe d'Huez and Annecy-Semnoz in the Alps. Alpe d'Huez was used twice on stage 18, both times ranked Hors catégorie.