A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea
A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea
5.0
(3)
31
riders
A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea
03:27
56.2km
910m
Gravel riding
Hard gravel 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: May 21, 2026
Waypoints
Start point
Bus stop
Get Directions
7.46 km
Greenway of the Montes de Hierro
Highlight • Cycleway
Translated by Google •
Tip by
21.4 km
Cycle Path
Highlight • Cycleway
22.2 km
Start of the Cycle Highway
Highlight • Cycleway
Translated by Google •
Tip by
22.7 km
Superb bike trail
Highlight • Cycleway
Tip by
34.7 km
A & C Tunnel Entrance
Highlight • Structure
Translated by Google •
Tip by
34.9 km
El Sobaco Tunnel
Highlight • Structure
Translated by Google •
Tip by
35.2 km
Scenic Gravel Route Near Bilbao
Highlight (Segment) • Cycleway
Translated by Google •
Tip by
44.4 km
Lago de Galdames
Highlight • Lake
Translated by Google •
Tip by
56.2 km
End point
Bus stop
Way Types & Surfaces
Way Types
21.3 km
19.8 km
10.2 km
2.81 km
1.92 km
< 100 m
Surfaces
32.4 km
21.1 km
2.60 km
< 100 m
< 100 m
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Elevation
Highest point (200 m)
Lowest point (0 m)
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Weather
Powered by Foreca
Wednesday 27 May
34°C
16°C
0 %
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.