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4 Biscay, Spain

San Cosme

North-western ascent from Aranguren
GPX Directions
Length
2.8 km
Height gain
150 m
Average
5.4%
Steepest km
6.9%
Summit altitude
237 m
Difficulty
26

Elevation profile

88 m → 237 m Touch or hover to inspect
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 1 at 6.9%

Climb analysis

Where the climbing is

0–4%
1.0 km
4–6%
0.3 km
6–8%
1.5 km
8–10%
0.0 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 0.4–1.4
7.2%
2 km · km 0.0–2.0
6.4%

Time to the top

0h 11 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 157 m 6.9%
2 215 m 5.8%
3 237 m 3.0%

Route map

Two fingers to pan
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

How hard is 26?

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

Côte de Recurt, Galan 26
Jócar, Muriel 26
San Cosme, Aranguren 26
Côte de France, Tour Malherbe 26
Umbe, Lujua 26

Help complete this climb

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 Mark where the road goes underground Report a road type Not mapped yet — paved, unpaved or cobbles
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Added by marenasaguirregoitia · 1 contributor

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