A & C Tunnel Entrance – El Sobaco Tunnel loop from Kabiezes

Mountain biking trails

A & C Tunnel Entrance – El Sobaco Tunnel loop from Kabiezes

Hard

4.7

(6)

riders

A & C Tunnel Entrance – El Sobaco Tunnel loop from Kabiezes

03:06

34.8km

910m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: August 28, 2026

Tips

Includes a segment in which cycling is not permitted

After 22.3 km for 231 m

Waypoints

Start point

Train Station

Get Directions

4.47 km

Bike repair station and water

Highlight • Rest Area

Here you can repair your bike if necessary and fill up your drinking water supplies or wash your bike right next door

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Tip by

6.96 km

Viewpoint with a bench and a water point

Highlight • Viewpoint

Beautiful viewpoint with benches and a water source.

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9.40 km

A & C Tunnel Entrance

Highlight • Structure

full throttle

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Tip by

9.60 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.

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17.5 km

El Cuadro

Peak

20.4 km

Ekoetxea Peñas Negras Environmental Interpretation Center

Highlight • Rest Area

It is a center that offers information, education and environmental awareness. It is located in the mining territory and is a very important point from which you can see how the human presence has influenced nature.

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22.8 km

La Arboleda

Highlight • Settlement

Picturesque upper neighborhood of Trapagaran whose historic center was declared a Monumental Complex in 2003, an appointment in which it was argued that La Arboleda was one of the few mining towns left standing in all of Euskal Herria.

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23.0 km

Pozo Hostión

Highlight • Lake

The largest of the three wells. Its name comes from a Euskaldun foreman who did not speak Spanish well and who always said "I give hostión" to threaten miners who did not work well.

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23.6 km