Altigraphs
3

Col de Boubon

Western ascent from Saint-Mamert

Elevation profile

399 m → 645 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 5 at 5.9% — peaks at 12%
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Climb stats

240 m Ascent
4.98 km Length
4.82% Average
12% Maximum
645 m Summit altitude
35 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 451 m +52 m 5.2% 9%
2 499 m +48 m 4.8% 10%
3 548 m +49 m 4.9% 9%
4 588 m +41 m 4.1% 11%
5 645 m +57 m 5.9% 12%

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 35?

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

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Conditions at the summit

17°
Clear · feels like 16°
Wind 4 km/h W
Updated 2 min ago
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