A roller-coaster climb with steep sections and descents. The last few kilometres after the Saint-Sorlin-d'Arves ski station is the toughest section, containing several hairpins as you approach the summit. Last used in the Tour de France in 2008.
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| Duration | 2:21:44 |
| Distance | 28.33kms |
| Elevation Gain | 1625m |
| Toughness | 1015 |