Altigraphs
2

Alto do Castro

North-eastern ascent from O Porriño

Elevation profile

28 m → 504 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 4 at 10.7% — peaks at 11.4%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

529 m Ascent
9.66 km Length
5.47% Average
20% Maximum
504 m Summit altitude
96 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 49 m +34 m 3.4% 8%
2 117 m +68 m 6.8% 17%
3 179 m +63 m 6.3% 18%
4 286 m +107 m 10.7% 20%
5 306 m +53 m 5.3% 20%
6 338 m +49 m 4.9% 18%
7 389 m +60 m 6% 18%
8 412 m +24 m 2.4% 8%
9 469 m +61 m 6.1% 17%
10 504 m +35 m 5.2% 17%

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 96?

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

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Conditions at the summit

19°
Clear · feels like 20°
Wind 4 km/h NE
Updated 1 min ago
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