Altigraphs
HC

Col du Glandon

North-eastern ascent from Saint-Étienne-de-Cuines — the hardest of the 2 ways up
2 ways up
From Barrage du Verney (Allemont) 25.7 km · 5.5% From Saint-Étienne-de-Cuines 20.1 km · 7.2%
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Elevation profile

485 m → 1918 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 19 at 11.1% — peaks at 8.7%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1438 m Ascent
20.11 km Length
7.15% Average
12% Maximum
1907 m Summit altitude
341 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 542 m +57 m 5.7% 8%
2 612 m +70 m 7% 11%
3 684 m +73 m 7.3% 8%
4 757 m +72 m 7.2% 10%
5 832 m +75 m 7.5% 9%
6 901 m +69 m 6.9% 10%
7 977 m +76 m 7.6% 9%
8 1054 m +77 m 7.7% 9%
9 1098 m +46 m 4.6% 9%
10 1107 m +11 m 1.1% 2%

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 341?

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

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Every number here was measured by a rider. If you know this road, correct the data, add a photo, or leave a note for the next person.

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Conditions at the summit

Clear · feels like 6°
Wind 8 km/h SW
Updated 1 min ago
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