12 Tappa 2018: Bourg-Saint-Maurice Les Arcs > Alpe d'Huez - 175,5km
Km 53,5 - Col de la Madeleine 25,3 kilometre-long climb at 6,2% - category H (2.000 m)
Km 83 - Lacets de Montvernier 3,4 kilometre-long climb at 8,2% - category 2 (782 m)
Km 121 - Col de la Croix de Fer 29 kilometre-long climb at 5,2% - category H (2.067 m)
Km 175,5 - Alpe D'Huez 13,8 kilometre-long climb at 8,1% - category H (1.850 m)
Km 53,5 - Col de la Madeleine 25,3 kilometre-long climb at 6,2% - category H (2.000 m)
Km 83 - Lacets de Montvernier 3,4 kilometre-long climb at 8,2% - category 2 (782 m)
Km 121 - Col de la Croix de Fer 29 kilometre-long climb at 5,2% - category H (2.067 m)
Km 175,5 - Alpe D'Huez 13,8 kilometre-long climb at 8,1% - category H (1.850 m)