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HC Where this climb is: Pyrénées-AtlantiquesNouvelle-Aquitaine, France

Col d’Aubisque

North-eastern ascent from Arthez-d’Asson
GPX Profile
Length
30.9 km
Height gain
1312 m
Average
4.3%
Steepest km
9.9%
Summit altitude
1708 m
Difficulty
321
4 ways up · this is the hardest Compare all 4
Show all 4 ways up

Elevation profile

392 m → 1708 m Touch or hover to inspect
Elevation profile: Col d’Aubisque from Arthez-d’Asson
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 11 at 9.9%
One short section looks like a survey error (hatched) — usually a tunnel or a bridge, measured from the terrain above or below the road. It is left out of the steepest-km figure.
Is it a tunnel? Map it A bridge or viaduct? Report an error

Climb analysis

Where the climbing is

0–4%
13.0 km
4–6%
6.5 km
6–8%
5.0 km
8–10%
2.3 km
10–14%
4.1 km
14%+
0.0 km

Hardest sustained

1 km · km 9.9–10.9
11.4%
2 km · km 15.6–17.6
9.5%
5 km · km 12.6–17.6
8.5%

Time to the top

2h 05 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 415 m 1.8%
2 411 m −0.4%
3 419 m 0.8%
4 433 m 1.3%
5 451 m 1.8%
6 477 m 2.6%
7 497 m 2.1%
8 525 m 2.8%
9 541 m 1.7%
10 610 m 6.8%

Route map

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Directions
Satellite
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

About Col d’Aubisque

How long and how steep?
From Arthez-d’Asson, Col d’Aubisque is 30.9 km long and climbs 1,312 m at an average of 4.3%, to a summit at 1,708 m. Its steepest kilometre, km 11, averages 9.9%.
How long does it take?
At 3 W/kg it takes about 2 h 05 min to reach the top, at 4 W/kg about 1 h 38 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's an HC (hors catégorie) climb, with a difficulty score of 321. It's the hardest of the 4 ways up to Col d’Aubisque.
Where is it?
It's in Pyrénées-Atlantiques, Nouvelle-Aquitaine, France.

How hard is 321?

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

Carrascoy, El Camino Inchola 322
Telégrafo, Granada 322
Col d’Aubisque, Arthez-d’Asson 321
Col de la Croix de Fer, Allemond 321
Col du Grand Colombier, Culoz 320

Around here

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Riders’ photos, notes and corrections make every profile better.

Add a photo No photos yet — the last kilometre, the summit sign Write a rider note Traffic, water, where it really bites Map a tunnel One short section looks like a survey error Report a road type Not mapped yet — paved, unpaved or cobbles
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Added by altigraphs · 1 contributor

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