Altigraphs
HC

Col d’Aubisque

North-eastern ascent from Arthez-d’Asson — the hardest of the 7 ways up

Elevation profile

392 m → 1708 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 25 at 10.8% — peaks at 55.1%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1778 m Ascent
30.85 km Length
5.76% Average
162% Maximum
1708 m Summit altitude
321 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 415 m +26 m 2.6% 8%
2 411 m +14 m 1.4% 7%
3 419 m +44 m 4.4% 33%
4 433 m +25 m 2.5% 10%
5 451 m +27 m 2.7% 9%
6 477 m +42 m 4.2% 18%
7 497 m +35 m 3.5% 11%
8 525 m +47 m 4.7% 15%
9 541 m +40 m 4% 20%
10 610 m +74 m 7.4% 32%

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 321?

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

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Conditions at the summit

12°
Clear · feels like 11°
Wind 2 km/h SE
Updated 1 min ago
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