Over the entire distance of 16.2 km (10.1 mi), the climb gains 931 m (3,054 ft) in altitude, at an average gradient of 5.7%.
[2] The 2014 Tour de France climb commences on the outskirts of Saint-Egrève and is thus shorter, at 14.1 km (8.8 mi), gaining 859 m (2,818 ft) in altitude, at an average gradient of 6.1%.
This climb is 14.8 km (9.2 mi) long, gaining 939 m (3,081 ft) in altitude, at an average gradient of 6.3%.
[5] On 18 July 2014, the Tour de France cycle race crossed the col for the first time en route from Saint-Étienne to Chamrousse.
[7] On the descent, Jakob Fuglsang crashed, putting him out of contention for a podium place.