4.1
(25)
406
riders
52
rides
Gravel biking around Arratia-Nervion offers diverse landscapes characterized by river valleys and mountainous terrain. The region encompasses two significant natural parks, Gorbeia and Urkiola, providing varied elevation changes and natural features. Riders can expect routes through dense forests, past wetlands like Saldropo, and along valleys carved by the Arratia and Nervión rivers. This area provides a network of trails suitable for gravel biking, combining paved sections, cycle lanes, service roads, and nature paths.
Last updated: May 27, 2026
20
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
22
riders
32.8km
02:55
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
15
riders
22.2km
02:03
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
51.0km
03:55
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
20.1km
01:39
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(3)
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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
38.0km
02:38
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
36.5km
03:14
880m
880m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
20.0km
01:53
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Arratia-Nervion
Beautiful views . A few minutes from the parking lots
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Beautiful place for all tastes For hiking, cycling, to bring children with a park with swings
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Long, gentle climb. 11km at approximately 5%
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Small stone chapel with drinking water fountain in front
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It runs along an acceptable surface, bordering the Zubizabala stream.
0
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The best place to start the route to Alluitz.
2
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There are over 50 gravel bike trails available in Arratia-Nervion, offering a wide range of options for different skill levels and preferences. The komoot community has explored these routes over 400 times.
Arratia-Nervion offers diverse terrain, from river valleys to mountainous landscapes. You'll encounter rolling hills, dense forests, and significant elevation changes. Routes combine paved sections, cycle lanes, service roads, and nature paths, often traversing karstic landscapes, especially within Urkiola Natural Park.
The gravel bike routes in Arratia-Nervion are highly rated by the komoot community, with an average score of 4.4 stars from more than 20 reviews. Riders often praise the varied terrain, the stunning natural features like the Saldropo Wetland and the Otzarreta Beech Forest, and the challenging yet rewarding climbs.
While gravel biking is enjoyable throughout much of the year, autumn is particularly recommended for its vibrant colors, especially when riding through the region's beech forests like the Otzarreta Beech Forest. Spring also offers pleasant temperatures and lush greenery.
Yes, the region is rich in natural beauty. You can find routes that pass by the spectacular Salto del Nervión, the highest waterfall on the Iberian Peninsula, or explore the unique Saldropo wetland. Other highlights include the Gorbeia massif and the karstic landscapes of Urkiola Natural Park. Some routes also offer views of significant peaks like Ganekogorta Summit.
Absolutely. Many routes in Arratia-Nervion provide breathtaking panoramic views. For instance, the route View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate offers views towards Bilbao. Other routes in the mountainous areas, especially near the Gorbeia massif, provide expansive vistas.
Yes, the region is known for its natural diversity. The route Saldropo Wetland – Otzarreta Beech Forest loop from Areatza is a prime example, taking you through the notable Saldropo Wetland and the magical Otzarreta Beech Forest, which is particularly stunning in autumn.
While many routes in Arratia-Nervion are rated as difficult, there are options that can be adapted for families or those seeking an easier ride. Look for routes with less elevation gain and smoother surfaces. It's always best to check the route details and difficulty grade before heading out with children.
Many natural areas in Arratia-Nervion are dog-friendly, especially on trails outside of strictly protected zones. However, within natural parks like Gorbeia and Urkiola, specific regulations may apply regarding dogs, often requiring them to be on a leash. Always check local signage and park rules before bringing your dog.
Generally, permits are not required for gravel biking on established trails within Gorbeia or Urkiola Natural Parks for recreational purposes. However, it's always advisable to respect park regulations, stay on marked paths, and be aware of any specific rules regarding protected areas or sensitive wildlife habitats.
Yes, many of the gravel bike routes in Arratia-Nervion are designed as circular loops, allowing you to start and end at the same point. Examples include the Urkiola Pass – Urkiola Pass loop from Durango and the Reservoir – Mandoia Summit loop from Zuhatzu.
Beyond natural beauty, Arratia-Nervion offers a rich cultural heritage. Towns like Orduña, Orozko, and Arakaldo feature historical buildings and traditional architecture. Some routes, like the View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate, pass by ancient sites such as megalithic structures, or the Argiñeta Necropolis loop from San Fausto.
Public transport options, including buses and trains, connect various towns within Arratia-Nervion. While direct access to every trailhead might not be available, you can often reach starting points in towns like Durango or Orduña via public transport. It's recommended to check local transport schedules and bike carriage policies in advance.


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