Altigraphs
HC

Col Arnostéguy

Northern ascent from San Juan de Pie de Puerto — the hardest of the 2 ways up
2 ways up
From San Juan de Pie de Puerto 17.9 km · 6.3% From Orbaiceta 16.5 km · 4.0%
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Elevation profile

164 m → 1239 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 5 at 13.7% — peaks at 17.7%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1131 m Ascent
17.88 km Length
6.33% Average
19% Maximum
1236 m Summit altitude
343 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 253 m +89 m 8.9% 16%
2 281 m +33 m 3.3% 10%
3 314 m +35 m 3.5% 9%
4 350 m +36 m 3.6% 8%
5 486 m +137 m 13.7% 17%
6 614 m +128 m 12.8% 19%
7 750 m +136 m 13.6% 17%
8 808 m +67 m 6.7% 15%
9 888 m +80 m 8% 12%
10 993 m +105 m 10.5% 13%

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 343?

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

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Conditions at the summit

14°
Clear · feels like 12°
Wind 9 km/h E
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