The tour of Monte Rosa mountain bike - riding on the inaccessible

Mountain biking is exceptional drop in the high mountains (up to 70 km / day and 2000 m of elevation gain). A loop from Cervinia to tour the Mont Rose (4634m). Very difficult transition glacier (ski Zermatt Summer), several portages sometimes with large vertical drop. Narrow technical trail in altitude (up to 3317m refuge Theodulus)