Altigraphs
HC

Col du Telegraphe - Galibier via Saint Michel de Maurienne

Northern ascent from Starting point unknown

Elevation profile

726 m → 2640 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 30 at 9.2% — peaks at 10%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

2081 m Ascent
34.75 km Length
5.99% Average
12% Maximum
2640 m Summit altitude
455 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 792 m +66 m 6.6% 9%
2 872 m +80 m 8% 10%
3 955 m +83 m 8.3% 9%
4 1035 m +81 m 8.1% 9%
5 1106 m +70 m 7% 9%
6 1180 m +74 m 7.4% 9%
7 1253 m +73 m 7.3% 10%
8 1314 m +62 m 6.2% 8%
9 1376 m +62 m 6.2% 8%
10 1442 m +66 m 6.6% 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 455?

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

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Conditions at the summit

Clear · feels like 3°
Wind 9 km/h N
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