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1 Where this climb is: Hautes PyreneesOccitania, France

Col des Bordères via Aucun

North-eastern ascent from Argeles Gazost
GPX Profile
Length
16.9 km
Height gain
736 m
Average
4.3%
Steepest km
9.4%
Summit altitude
1159 m
Difficulty
155
2 ways up · this is the hardest Compare all 2

Elevation profile

424 m → 1159 m Touch or hover to inspect
Elevation profile: Col des Bordères via Aucun from Argeles Gazost
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 16 at 9.4%

Climb analysis

Where the climbing is

0–4%
9.2 km
4–6%
2.5 km
6–8%
1.8 km
8–10%
2.3 km
10–14%
1.0 km
14%+
0.3 km

Hardest sustained

1 km · km 13.9–14.9
9.9%
2 km · km 14.0–16.0
9.1%
5 km · km 0.0–5.0
6.2%

Time to the top

1h 02 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%
1 464 m 4.1%
2 547 m 8.3%
3 628 m 8.1%
4 700 m 7.2%
5 733 m 3.3%
6 763 m 3.1%
7 812 m 4.9%
8 835 m 2.3%
9 839 m 0.4%
10 862 m 2.3%

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 des Bordères via Aucun

How long and how steep?
From Argeles Gazost, Col des Bordères via Aucun is 16.9 km long and climbs 736 m at an average of 4.3%, to a summit at 1,159 m. Its steepest kilometre, km 16, averages 9.4%.
How long does it take?
At 3 W/kg it takes about 1 h 02 min to reach the top, at 4 W/kg about 49 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's a category 1 climb, with a difficulty score of 155. It's the hardest of the 2 ways up to Col des Bordères.
Where is it?
It's in Hautes Pyrenees, Occitania, France.

How hard is 155?

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

Observatorio Forestal Reconco, La Canyada 155
Collado del Ramal, Bacares 155
Col des Bordères via Aucun, Argeles Gazost 155
Frontignano, Nocria 155
Cantera de los Arenales, Torreblanca 155

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