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A & C Tunnel Entrance – El Sobaco Tunnel loop from Puerto (CLH)

A & C Tunnel Entrance – El Sobaco Tunnel loop from Puerto (CLH)

Hard

4.3

(3)

56

riders

A & C Tunnel Entrance – El Sobaco Tunnel loop from Puerto (CLH)

04:32

72.6km

1,150m

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

Tips

Includes a segment in which cycling is not permitted

After 1.34 km for 116 m

Waypoints

A

Start point

Train Station

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1

13.4 km

A & C Tunnel Entrance

Highlight • Structure

full throttle

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2

16.5 km

Greenway of the Montes de Hierro

Highlight • Cycleway

This greenway is ideal for all types of cyclists and all ages. The route is easy and the landscape is spectacular.

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3

24.7 km

Arenao Bridge

Highlight • Bridge

Near the town of Arenao, the greenway runs over this old railway bridge, today transformed into a wooden viaduct among the vegetation.

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4

27.1 km

Sophie's Mine Monument on the Vía Verde de los Montes de Hierro

Highlight • Monument

Along this section of the Montes de Hierro Greenway you pass through an environment where the area's mining past is most palpable. On the way there is the monument to …

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5

28.9 km

Section of the greenway through the forest

Highlight (Segment) • Trail

This beautiful stretch of the Montes de Hierro Greenway runs through a spectacular area of juicy and humid forest where the greenery explodes in all its splendor.

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6

40.7 km

Iron Mountains Greenway (Burdinmendi)

Highlight (Segment) • Trail

Between El Arenao (Sopuerta) and Traslaviña (Artzentales). Walk through some of the places in the Mining Zone and the Encartaciones where the Bizkaia ferrosa was forged.

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7

51.6 km

Scenic Gravel Route Near Bilbao

Highlight (Segment) • Cycleway

it is very nice and very simple.

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8

58.9 km

El Sobaco Tunnel

Highlight • Structure

Tunnel 150 meters long, curved. It is lit. A rest area (with bench, water fountain and trash cans) is located just before the tunnel entrance.

Translated by Google •

Tip by

B

72.6 km

End point

Train Station

Way Types & Surfaces

Way Types

41.2 km

15.0 km

7.72 km

6.12 km

1.72 km

930 m

Surfaces

41.3 km

21.7 km

8.81 km

796 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (250 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Friday 22 May

28°C

18°C

0 %

Additional weather tips

Max wind speed: 14.0 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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