4.4
(338)
4,947
riders
309
rides
Mountain biking in Aizkorri-Aratz offers a diverse network of trails within a natural park setting. The region is characterized by its mountainous terrain, featuring significant elevation changes and a mix of dense woodlands and open landscapes. Riders can expect routes that traverse valleys, climb hills, and offer views of the surrounding Basque Country. This area provides a challenging environment for mountain bikers seeking varied technical and physical demands.
Last updated: July 3, 2026
86
riders
25.0km
02:48
810m
810m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(3)
62
riders
13.3km
01:53
560m
560m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.9
(7)
38
riders
33.3km
02:35
750m
750m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
33
riders
25.5km
03:07
840m
840m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
26
riders
45.2km
04:19
1,200m
1,200m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Aizkorri-Aratz offers a wide selection of mountain bike trails, with over 320 routes available. These range from easier paths to very challenging rides, catering to various skill levels.
Mountain biking in Aizkorri-Aratz is characterized by its mountainous terrain, featuring significant elevation changes, dense woodlands, and open landscapes. Riders can expect routes that traverse valleys, climb hills, and offer rewarding views of the surrounding Basque Country.
Yes, Aizkorri-Aratz has options for less experienced riders. There are approximately 20 easy mountain bike trails available, providing a good starting point for those new to the sport or looking for a more relaxed ride.
Advanced mountain bikers will find plenty of challenging routes in Aizkorri-Aratz, with nearly 150 difficult trails. These often feature significant climbs and technical descents, such as the Otalora Manor House – Jaturabe River loop from Aretxabaleta, which covers over 43 km with more than 1100 meters of elevation gain.
The trails in Aizkorri-Aratz vary greatly. Moderate routes, like the Mirandaola Forge and Park – View of Bergara loop from Aretxabaleta, can be around 60 km with over 700 meters of elevation. More difficult trails, such as the Etxe-Zuri Bar – Albertia Memorial Monument loop from Subero, are typically around 25 km with over 800 meters of climbing.
Yes, many mountain bike routes in Aizkorri-Aratz are designed as loops, offering convenient starting and ending points. Examples include the Etxe-Zuri Bar – Views from Galbarrain loop from Subero and the Etxe-Zuri Bar – Altar of the Virgin of Dorleta loop from Landa.
The best time for mountain biking in Aizkorri-Aratz is generally during the spring and autumn months. The weather is typically milder, and the natural scenery is vibrant. Summer can also be good, but be prepared for warmer temperatures, especially at lower elevations. Always check local weather forecasts before heading out.
Winter mountain biking in Aizkorri-Aratz is possible, but conditions can be challenging, especially at higher altitudes where snow and ice may be present. Lower elevation trails might be rideable, but it's crucial to check weather and trail conditions beforehand and ensure you have appropriate gear for cold and potentially wet weather.
Many mountain bike trails in Aizkorri-Aratz start from towns and villages surrounding the natural park. Common starting points with parking access include Subero, Landa, and Aretxabaleta, as seen in routes like those beginning from Etxe-Zuri Bar or Otalora Manor House.
Along the mountain bike trails, you can discover various natural and historical landmarks. Notable attractions include the ancient San Adrián Tunnel, the impressive Eye of Aitzulo, and several mountain passes like Collado de Biozkorna and Otzaurte.
The mountain biking experience in Aizkorri-Aratz is highly rated by the komoot community, with an average score of 4.4 stars from over 300 reviews. Riders often praise the diverse terrain, the challenging climbs, and the stunning panoramic views over the Basque landscape.


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