Altigraphs
2

Col de Sarenne

Western ascent from L'Alpe d'Huez
2 ways up
From Lac du Chambon 12.9 km · 7.6% From L'Alpe d'Huez 8.1 km · 4.1%
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Elevation profile

1760 m → 1999 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 7 at 8.8% — peaks at 16%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

330 m Ascent
8.08 km Length
4.09% Average
16% Maximum
1999 m Summit altitude
70 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 1848 m +58 m 5.8% 15%
2 1849 m +25 m 2.5% 10%
3 1844 m +14 m 1.4% 7%
4 1798 m +6 m 0.6% 8%
5 1761 m +8 m 0.8% 15%
6 1819 m +59 m 5.9% 11%
7 1907 m +88 m 8.8% 16%
8 1993 m +86 m 8.6% 16%
9 1999 m +6 m 7.2% 13%

Route map

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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 70?

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

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Conditions at the summit

11°
Partly cloudy · feels like 7°
Wind 5 km/h N
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