El Sobaco Tunnel – Arenao Bridge loop from Castaño auzunea
El Sobaco Tunnel – Arenao Bridge loop from Castaño auzunea
4.3
(10)
67
riders
El Sobaco Tunnel – Arenao Bridge loop from Castaño auzunea
02:41
27.7km
460m
Cycling
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: August 27, 2026
Waypoints
Start point
Bus stop
309 m
Sophie's Mine Monument on the Vía Verde de los Montes de Hierro
Highlight • Monument
Translated by Google •
Tip by
10.9 km
Greenway of the Montes de Hierro
Highlight • Cycleway
Translated by Google •
Tip by
13.8 km
El Sobaco Tunnel
Highlight • Structure
Translated by Google •
Tip by
14.1 km
Scenic Gravel Route Near Bilbao
Highlight (Segment) • Cycleway
Translated by Google •
Tip by
22.5 km
Geltoki Restaurant
Highlight • Restaurant
24.2 km
Beautiful view towards the village of Galdames
Highlight • Viewpoint
Translated by Google •
Tip by
25.0 km
Arenao Bridge
Highlight • Bridge
Translated by Google •
Tip by
27.7 km
End point
Bus stop
Way Types & Surfaces
Way Types
23.8 km
2.60 km
951 m
364 m
Surfaces
24.0 km
2.69 km
1.05 km
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Highest point (150 m)
Lowest point (60 m)
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Sign up for freeWeather
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Friday 23 October
18°C
7°C
27 %
Additional weather tips
Max wind speed: 10.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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