4.6
(110)
865
riders
117
rides
Mountain bike trails Kuartango are set within a diverse natural landscape, characterized by a broad valley enclosed by several mountain ranges. The region features peaks between 700 and 1171 meters, including the Gilarte, Gibijo, Badaya, and Arcamo ranges, offering varied terrain for cyclists. The Baias and Vadillo rivers traverse the valley, creating a dynamic environment of forests, meadows, and riverine paths. Extensive forest cover, approximately 45 square kilometers, provides shaded trails and an immersive experience for mountain bikers.
Last updated: June 18, 2026
5.0
(3)
38
riders
43.9km
04:42
1,110m
1,110m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.0
(23)
20
riders
41.3km
03:26
580m
580m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(1)
12
riders
71.2km
04:33
720m
720m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
8
riders
46.2km
03:23
830m
830m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
7
riders
13.2km
01:15
200m
200m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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The 17 m high summit cross was erected in 1907. The ascent from the reservoir is easily accessible.
1
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It's next to the road, near the bus stop.
0
0
Only a stone marker (one of them written on) indicates the summit.
0
0
Only a few stone markers, one of them with the name and altitude, indicate the summit.
0
0
As long as you don't get 5 mastiffs...
0
0
With plenty of water at this time.
2
0
The climb to the Badaia wind farm begins. All track
3
0
Kuartango offers a wide selection of mountain bike trails, with over 130 routes recorded on komoot. These routes cater to various skill levels, from easy riverside paths to challenging mountain ascents.
The terrain in Kuartango is highly diverse. You'll find routes traversing broad valleys carved by the Baias and Vadillo rivers, extensive forested areas providing shaded trails, and challenging ascents and descents through the surrounding mountain ranges like Gilarte, Gibijo, Badaya, and Arcamo. This variety ensures a dynamic and engaging experience for mountain bikers.
Yes, Kuartango offers trails suitable for beginners and families. There are 10 easy-rated routes, providing gentler gradients and less technical sections. For example, the Mirador del Salto del Nervion – Viewpoint loop from Aparcamiento de Hoyalante is an easy route that offers scenic views without extreme difficulty.
Many of the mountain bike routes in Kuartango are designed as circular loops, allowing you to start and finish at the same point. Examples include the moderate Zaldibartxo Pool – Pools of the Baias River loop from Izarra and the more challenging Gorbea Summit – Gorbea Summit Cross loop from Izarra.
Kuartango's trails offer access to several natural attractions and viewpoints. You can find stunning vistas from various mountain peaks, such as the Ganalto Summit Cross or enjoy the Views of Pico del Fraile. The region is also home to the Nervión River, which features the impressive Salto del Nervión waterfall, a significant natural landmark. The Corraladas Waterfall – Church of Izarra loop from Izarra route passes by a waterfall.
The mountain biking experience in Kuartango is highly rated by the komoot community, with an average score of 4.5 stars from over 130 reviews. Riders frequently praise the diverse terrain, from tranquil riverine paths to challenging mountain ascents, and the immersive experience provided by the extensive forest cover. The variety of routes ensures there's something for every skill level.
Yes, some routes in Kuartango will lead you past beautiful waterfalls. For instance, the moderate Corraladas Waterfall – Church of Izarra loop from Izarra is a great option for those looking to include a waterfall in their ride. Additionally, the region is close to the famous Salto del Nervión, Spain's largest waterfall, which can be accessed via routes like the Mirador del Salto del Nervion – Viewpoint loop from Aparcamiento de Hoyalante.
While specific seasonal data isn't provided, the extensive forest cover in Kuartango suggests that spring and autumn would offer pleasant temperatures and vibrant scenery, with summer providing shaded trails. Winter might be more challenging due to potential rain or snow in higher elevations, especially in the surrounding mountain ranges.
Trail durations vary significantly based on distance and difficulty. For example, an easy route like the Mirador del Salto del Nervion – Viewpoint loop from Aparcamiento de Hoyalante can take around 1 hour 15 minutes. Moderate routes, such as the Zaldibartxo Pool – Pools of the Baias River loop from Izarra, typically take over 3 hours, while difficult routes like the Gorbea Summit – Gorbea Summit Cross loop from Izarra can take over 4 hours 40 minutes.
Yes, Kuartango offers a blend of natural beauty and historical significance. While specific trailside historical sites aren't detailed, the broader region includes archaeological sites like the Katadiano Dolmen Field. The old spa in Zuhatzu Kuartango, now a center for innovation, also hints at the area's rich past. You can also visit the Sanctuary of Our Lady of Oro, a religious building that offers cultural insight.
Kuartango offers a good range of difficulties for mountain bikers. Out of the 130 available routes, 10 are rated as easy, 68 are moderate, and 52 are considered difficult. This ensures that both casual riders and experienced mountain bikers can find suitable challenges.
Absolutely. The Baias and Vadillo rivers traverse the Kuartango valley, creating scenic riverine paths. The Zaldibartxo Pool – Pools of the Baias River loop from Izarra is a popular moderate route that follows the Baias River, offering a mix of riverside scenery and undulating terrain.


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