40km of climbing from Martigny in the Rhone Valley to the top at the Italian border! Sadly, you have to endure 34km of a busy road to enjoy 6km of pure joy, once the traffic goes into the tunnel.
| Climb name : | Col du Grand St Bernard |
|---|---|
| Direction / via : | Martigny |
| Region : |
Western Swiss Alps 
|
| Road Surface : | Road Bike |
| Difficulty : | Hors Category (Extreme) |
| Summit Elev. : | 2466m |
| Climb Length : | 40.9km |
| Avg. Gradient : | 4.8% |
| Elevation Gain : | +1953m |
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