Expert routes - Alpe d'Huez to La Boucle des Cols
Two big climbs and an average of 13% - a tricky route but the views make it worthwhile
With two big climbs and an average of 13% this is a tricky route but once again the views make it worth while.
From Bourg-d'Oisans follow the RN91 towards Grenoble.
When you get to Rochetaillée, follow the D526 to Allemont.
Cycle towards Le Rivier d'Allemont - Grand Maison.
Then cycle along the Grand Maison barrage, turn left and follow the road to the Col du Glandon (D927).
Then go on to Sainte-Marie-de-Cuines. From Sainte-Marie you can take the D74 to Saint-Jean-de-Maurienne.
Then follow the D80 to the Col du Mollard - Saint-Sorlin-d'Arves, then follow the D926 to the 'Croix de Fer'.
Go back down to Allemont on the D926.
| Length | 145km |
| Time | 7 to 8 hours |
| Maximum altitude | 2,068m |
| Minimum altitude | 720m |
| Positive difference in height | 13% |
