Urkabustaizko Irla-Hariztiak Kbe/Zec Robledales Isla De Urkabustaiz
Urkabustaizko Irla-Hariztiak Kbe/Zec Robledales Isla De Urkabustaiz
4.3
(79)
474
riders
78
rides
Mountain biking in Urkabustaizko Irla-Hariztiak Kbe/Zec Robledales Isla De Urkabustaiz offers a diverse landscape for riders. The region is characterized by the foothills of Gorbea, featuring oak forests and river valleys. Trails often include varied elevations and natural viewpoints. This area provides a mix of terrain suitable for different mountain biking skill levels.
Last updated: August 25, 2026
5.0
(3)
37
riders
44.0km
04:42
1,110m
1,110m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.0
(25)
19
riders
41.4km
03:27
580m
580m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.5
(2)
15
riders
41.8km
04:02
1,030m
1,030m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
13
riders
70.6km
04:31
720m
720m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
8
riders
46.4km
03:23
840m
840m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Gravel biking in Urkabustaizko Irla-Hariztiak Kbe/Zec Robledales Isla De Urkabustaiz
The 17 m high summit cross was erected in 1907. The ascent from the reservoir is easily accessible.
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It's next to the road, near the bus stop.
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Only a stone marker (one of them written on) indicates the summit.
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Only a few stone markers, one of them with the name and altitude, indicate the summit.
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As long as you don't get 5 mastiffs...
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With plenty of water at this time.
2
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The climb to the Badaia wind farm begins. All track
3
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Views of the valley where the Nervión River runs on its way to Bilbao, with Orduña in the background.
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There are over 50 mountain bike trails in Urkabustaizko Irla-Hariztiak Kbe/Zec Robledales Isla De Urkabustaiz, offering a wide range of options for different skill levels.
Yes, the region offers a few easy mountain bike trails perfect for beginners. These routes typically feature less challenging terrain and elevation changes. For example, you can find options that explore the gentler parts of the oak forests and river valleys.
Advanced mountain bikers will find plenty of challenging routes, with 27 difficult trails available. These often include significant elevation gains and technical sections. A notable difficult route is the Gorbea Summit – Gorbea Summit Cross loop from Izarra, which features substantial climbing towards the Gorbea Summit.
While the majority of trails are moderate to difficult, there are some easier sections and routes that can be adapted for families. Look for trails with less elevation gain and smoother paths, often found along the river valleys, to ensure a pleasant experience for all skill levels.
The best seasons for mountain biking are generally spring and autumn, when temperatures are milder and the natural scenery, especially the oak forests, is at its most vibrant. Summer can also be good, but it's advisable to ride earlier in the morning or later in the afternoon to avoid the midday heat. Winter riding is possible, but trails may be wet or muddy, and higher elevations could experience snow or ice.
Yes, many trails in the region offer natural viewpoints, particularly those that ascend into the foothills of Gorbea. The Salto del Nervión Viewpoint – Statue of the Virgin of Orduña loop from Inoso-Oiardo is a prime example, leading through varied terrain to a notable viewpoint.
Yes, the area features numerous loop trails, which are popular among mountain bikers for their convenience and varied scenery. Examples include the Zaldibartxo Pool – Pools of the Baias River loop from Izarra and the Pozos de Lendia – Encinal Tower loop from Izarra.
The trails are highly rated by the komoot community, with an average score of 4.5 stars from over 60 reviews. Riders often praise the diverse landscape, including the oak forests and river valleys, as well as the challenging climbs and rewarding viewpoints.
Yes, you can find routes that include natural water features. The Corraladas Waterfall – Church of Izarra loop from Izarra is a moderate trail that passes by the Corraladas Waterfall, offering a scenic stop along the way.
The terrain is quite varied, reflecting the region's character. You'll encounter paths through dense oak forests, along river valleys, and up into the foothills of Gorbea. This means a mix of forest tracks, gravel paths, and some more technical singletrack, often with significant elevation changes.
Trail lengths vary significantly. You can find routes ranging from shorter, easier rides to much longer, more demanding tours. For instance, the Pozos de Lendia – Encinal Tower loop from Izarra is one of the longer moderate options at over 71 km, while other trails are shorter.


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