With its 48 hairpins and an average gradient of 7.4% over a relentless 24.3Km of climbing, this is the most famous - and the most difficult - of the three routes to the summit at 2758 metres/9050 feet.
24.68KM
DISTANCE
|
1:50:21
DURATION
|
1785M
ELEVATION GAIN
|
843
TOUGHNESS
|