4.3
(6)
170
riders
21
rides
No traffic gravel bike trails around Alonsotegi are characterized by a diverse landscape within the Basque Country, featuring steep slopes and varied elevations from 50 to 1,000 meters. The region is situated in the Cadagua River corridor, flanked by the Sierra Sasiburu range and the more imposing Ganekogorta and Pagasarri mountains. This terrain includes oak groves, beech forests, and lush meadows, providing a scenic backdrop for gravel biking. The area offers significant elevation changes and panoramic views, making it suitable…
Last updated: May 4, 2026
20
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
33.3km
02:58
690m
690m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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21
riders
44.2km
03:39
1,020m
1,020m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
8
riders
34.6km
02:50
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Small stone chapel with drinking water fountain in front
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Very nice summit, with impressive views.
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Maman the spider. A work created in 1999 by the avant-garde artist Louise Bourgeois (1911-2010). The personally motivated work of the artist, known primarily for her sculptures, fits perfectly with the monumentality of the Guggenheim Museum. With the personally motivated work, he pays tribute to his mother, who was a weaver. It simultaneously suggests protector and predator, strength and fragility, devotion and fear. His enormous height of almost 9 meters and the wobbliness of his slender legs convey a poignant vulnerability. A fascinating sight. Enhances the impact of the museum and its environment.
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Best view at a Guggenheim Museum is definitely from the other side of the river.
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An interesting and beautiful approach to keeping the bits of history alive without turning the city into a museum.
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If you want to see everything from Bilbao... then Artxandra!😄
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There are over 20 no-traffic gravel bike trails around Alonsotegi featured in this guide. These routes offer diverse terrain, from challenging mountain paths to scenic greenways, ensuring a varied experience for gravel bikers.
The komoot community highly rates the gravel biking experience in Alonsotegi, with an average score of 4.1 stars. Riders often praise the region's diverse terrain, the stunning panoramic views from mountain passes, and the tranquility of the car-free routes through forests and along river valleys.
Yes, many of the no-traffic gravel routes around Alonsotegi are designed as circular loops, allowing you to start and finish at the same point. For example, consider the View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate or the Kortatxikieta Picnic Area – Forest Trail Near Bilbao loop from Ariz for a full loop experience.
While many routes in Alonsotegi feature significant elevation changes, the region's Greenways, such as the "Vía Verde de los Montes del Hierro" (Iron Mountains Greenway), are generally flatter and more suitable for families. These old railway lines offer a smooth, car-free surface and a pleasant ride through historical landscapes.
Alonsotegi's no-traffic gravel trails traverse a rich landscape. You'll encounter steep slopes, oak and beech forests, lush meadows, and the scenic Cadagua River valley. Expect impressive vistas of the Kadagua valley, the Sierra Sasiburu, and the imposing Ganekogorta and Pagasarri mountains, offering stunning views of Bilbao and the surrounding peaks.
Yes, the region is rich in history. You might pass by old mines, workers' homes, and 17th-century Pagasarri ice houses (neveras). The Hirumugarrieta Megalithic Site is a notable historical point of interest. Several hermitages, such as San Antolín de Iráuregui, also dot the landscape, offering cultural stops along your ride.
Spring and autumn generally offer the most pleasant conditions for gravel biking in Alonsotegi, with milder temperatures and beautiful natural scenery. Summers can be warm, while winters might bring colder weather and potentially wet or muddy trails, especially at higher elevations.
Many outdoor trails in the Basque Country are dog-friendly, especially those in natural areas. However, it's always advisable to keep dogs on a leash, particularly in areas with livestock or wildlife, and to check local regulations for specific routes or protected areas.
Parking is generally available in and around Alonsotegi, particularly near trailheads or in village centers. For routes starting from specific locations like Basarrate or Ariz, you can often find designated parking areas. It's recommended to check the starting point of your chosen route for the most convenient parking options.
Alonsotegi is accessible by public transport, primarily through bus services connecting it to Bilbao and surrounding areas. While public transport can get you to the general vicinity, reaching specific trailheads might require a short ride or walk from the nearest stop. Check local bus schedules for detailed planning.
Absolutely. The mountainous terrain around Alonsotegi offers numerous viewpoints. Routes leading to the Sasiburu pass provide impressive views of the Kadagua valley and El Regato. Higher peaks like Ganekogorta and Pagasarri also offer extensive panoramic views of Bilbao and the Encartaciones region, making for rewarding stops.


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