Altigraphs
HC

Col du Mont-Cenis

Western ascent from Val-Cenis

Elevation profile

1291 m → 2083 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 13 at 8.2% — peaks at 9.8%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

828 m Ascent
16.15 km Length
5.13% Average
11% Maximum
2083 m Summit altitude
166 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 1358 m +67 m 6.7% 9%
2 1385 m +34 m 3.4% 9%
3 1358 m +0 m 0% 0%
4 1366 m +7 m 0.7% 2%
5 1375 m +10 m 1% 2%
6 1392 m +17 m 1.7% 3%
7 1434 m +47 m 4.7% 11%
8 1494 m +60 m 6% 7%
9 1547 m +54 m 5.4% 6%
10 1612 m +65 m 6.5% 8%

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 166?

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

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Conditions at the summit

10°
Clear · feels like 7°
Wind 9 km/h NW
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