Col de la Croix-de-Fer

French Alps, France

Gradient:
<4%
4–7%
7–10%
10–12%
>12%

APPROACH ROUTES

Col de la Croix-de-Fer is a Category 1 ascent in the French Alps, France, topping out at 2 067 m. The Saint-Jean-d'Arves approach is the hardest — 14.3 km at 5.8%, 832 m gained, maxing at 12.2%. The steepest kilometre averages 11.6%, around km 9.1. It can also be climbed from Saint-Colomban-des-Villards (5.0 km at 6.6%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 5.9. Above the treeline the summit holds snow well into spring, so the dependable riding window runs roughly June to October.