5.0
(1)
27
riders
4
rides
Gravel biking around Abaltzisketa offers routes through the green, rolling hills and valleys characteristic of the Basque Country. The region features a mix of forested paths, open agricultural land, and some engineered structures like viaducts and tunnels. Terrain often includes varied surfaces suitable for gravel bikes, with ascents and descents across the landscape.
Last updated: July 2, 2026
10
riders
110km
07:04
1,760m
1,760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
5
riders
43.5km
03:14
880m
880m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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4
riders
26.2km
01:56
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
36.8km
02:50
780m
780m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
28.4km
02:27
860m
860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This area was a mining complex, the Mutiloa mining district, from the late 19th century. In 1911, 162 miners worked there, and in 1912, 34,500 tons of iron ore were stored and washed. After being transported by rail to Ormaiztegi, it was shipped to European steelworks. (https://www.mutiloakomeatzaritza.eus/es/la-via-verde/)
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The Ormaiztegi Viaduct (inaugurated on August 15, 1864) is the town's most emblematic symbol. Designed by engineer Alexander Lavalley, a predecessor of Gustave Eiffel, it stands in a beautiful landscape overlooking the Eztanda River. It is the most important structure on the Madrid-Paris railway line, spanning 289 meters in length and 34 meters in height. Its 18,000 tons are supported by four pillars. The double track was installed in 1912 and electrified in 1928. It is currently disused and forms part of the Basque Country's cultural heritage.
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Great route for beginners as has mainly constant and light slopes. Only half a dozen uphills the first 30 km from Pamplona.
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One of the ideal areas to start the Plazaola greenway
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That bridge is called "INTUIA-ko zubia" the INTUIA farmhouse is next to it. The misnamed "witches' bridge" is called UNANIBI-ko zubia, right in the Otita park (beginning of the Leitzaran valley). Don't forget to bring lights to cross the numerous tunnels in this valley!! Not to see but to be seen.
1
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A must when you pass through this area. Stopping and having a coffee is almost mandatory. 😉
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One of the best greenways we know.
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This beautiful city located in the valley of the Oria River is surrounded by small mountains and green meadows. Thus, it offers you the possibility of escaping from the noise of the city in a few minutes. Furthermore, in its historic center is the church of San Martín de Tours, which is undoubtedly worth a visit.
3
0
The gravel biking trails around Abaltzisketa are primarily suited for experienced riders. All 5 routes listed in this guide are rated as difficult, featuring significant ascents and descents across the landscape.
Based on the available routes, all 5 are rated as difficult, suggesting the area is more suited for experienced riders. There are no explicitly easy or moderate routes listed in this guide.
The longest route in the area is the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa, which spans 68.2 miles (109.8 km) and takes approximately 9 hours 4 minutes to complete.
Yes, all the featured gravel bike routes around Abaltzisketa are loops. For example, you can explore the Ormaiztegi Viaduct – View of Aztiria from Mutiloa loop from Beasain or the Olantza Borda – Berrobi loop from Tolosa-Centro.
You can expect varied terrain characteristic of the Basque Country, including green, rolling hills, forested paths, open agricultural land, and some engineered structures like viaducts and tunnels. Surfaces are generally suitable for gravel bikes.
While riding, you might encounter notable structures like the Ormaiztegi Viaduct or the Santa Cruz Tunnel. Nearby attractions include the Lizarrusti Pass, the Igartza Monumental Complex, and the scenic Lareo Reservoir. For a natural highlight, consider visiting the Amezketa Stream Waterfall.
Yes, several routes offer scenic vistas. For instance, the Ormaiztegi Viaduct – View of Aztiria from Mutiloa loop from Beasain provides views of the Aztiria region. The region's rolling hills naturally offer many elevated points for panoramic views.
The Basque Country generally offers pleasant conditions for cycling from spring through autumn. While specific trail conditions can vary, these seasons typically provide milder weather and lush green landscapes. Winter riding is possible but may involve colder temperatures and potentially wetter conditions.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the challenging terrain, the beautiful green valleys, and the forested sections that define the region's gravel biking experience.
Yes, the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa features a significant tunnel and a historic bridge. Another route, the Ormaiztegi Viaduct – View of Aztiria from Mutiloa loop from Beasain, crosses the notable Ormaiztegi Viaduct.
While all routes are rated difficult, some are shorter in distance. For example, the Ormaiztegi Viaduct – Lierni Path loop from Beasain is 26.1 miles (42.0 km) and the Gaztelu Church – Berrobi loop from Tolosa is 28.4 miles (45.7 km), offering less time commitment than the longest routes.


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