Alpe d'Huez
Bourg d'Oisans · French Alps
13.8 km
km
1100 m
D+
8.1%
avg
13%
max ramp
13.8 km at 8.1% with 21 numbered hairpins, each named after a stage winner: climbing Alpe d'Huez is riding through Tour history. Marco Pantani's 37'35" record from 1997 still stands after almost thirty years.
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FAQ
When is the best time to climb Alpe d'Huez?
From June to September, when the Alpine passes are clear of snow. Always check seasonal openings and any tolls before heading out.
What gearing do I need for Alpe d'Huez?
An average gradient of 8.1% calls for easy gearing: a compact crankset and a wide cassette. On ramps beyond 15% even strong riders appreciate a 34x32 or easier.
What's the steepest section of Alpe d'Huez?
The steepest ramp hits 13%, almost double the average gradient (8.1%): over 13.8 km total, that's where the climb is won or lost. Keep something in reserve for it.