Altigraphs
HC

Alpe d'Huez by Bourg d'Oisans

South-western ascent from Starting point unknown — the hardest of the 4 ways up

Elevation profile

724 m → 1846 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 1 at 10.5% — peaks at 11%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1120 m Ascent
13.43 km Length
8.34% Average
13% Maximum
1846 m Summit altitude
295 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 829 m +105 m 10.5% 12%
2 930 m +101 m 10.1% 12%
3 1014 m +84 m 8.4% 12%
4 1099 m +85 m 8.5% 11%
5 1176 m +77 m 7.7% 10%
6 1262 m +86 m 8.6% 13%
7 1355 m +93 m 9.3% 13%
8 1435 m +80 m 8% 10%
9 1505 m +70 m 7% 11%
10 1593 m +88 m 8.8% 11%

Route map

Paved Unpaved Cobblestone Unknown
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Photos

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Rider notes

What it is actually like, from people who have ridden it
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How hard is 295?

Difficulty score is length × gradient, weighted for the steepest kilometre.

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Conditions at the summit

12°
Clear · feels like 8°
Wind 8 km/h E
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