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Aduna

The best MTB trails around Aduna

4.2

(330)

4,144

riders

179

rides

Mountain biking around Aduna offers a diverse landscape characterized by rolling terrain, established greenways, and forested paths. The region features a mix of natural trails and engineered routes, including sections along old railway lines and through varied woodland. Riders can expect a combination of climbs and descents, with routes often traversing hills and valleys.

Best mountain bike trails around Aduna

  • The most popular mountain bike trail is Plazaola Greenway – Witches' Bridge loop from Villabona-Zizurkil, a difficult 37.9 miles…

Last updated: May 8, 2026

4.5

(27)

185

riders

#1.

Plazaola Greenway – Witches' Bridge loop from Villabona-Zizurkil

61.2km

04:04

710m

710m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Tips from the Community

inakio
September 8, 2025, Plazaola Greenway

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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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.

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One of the best greenways we know.

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Sandra
September 7, 2023, Plazaola Greenway

Great tour always along the river and through countless tunnels. Also recommended in hot weather. Bring light if possible.

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Beautiful cromlech at the confluence between the GR and the PR.

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Marti Ferret
February 23, 2023, Eteneta Cromlech

Striking and repeatedly photographed prehistoric complex that stands out among the multiple sites found on Mount Adarra.

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The Plazaola greenway is a route that takes advantage of the route of an old narrow gauge railway, the Plazaola, which linked the Spanish towns of San Sebastián and Pamplona. An incredible route to travel by bicycle.

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This bridge is part of the Plazaola greenway and is known as the "witches' bridge". A well-known place for the inhabitants of the area. Quiet place where you can see the river, fishermen... it has some tables nearby to eat and spend the day.

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Frequently Asked Questions

How many mountain bike trails are there in Aduna?

There are over 180 mountain bike trails around Aduna, offering a wide variety of routes for different skill levels. You'll find 13 easy routes, 45 moderate routes, and 123 difficult routes.

What kind of terrain can I expect on Aduna's mountain bike trails?

The region features diverse terrain, including rolling hills, established greenways often following old railway lines, and forested paths. Riders can expect a mix of climbs and descents, traversing both hills and valleys.

Are there easy mountain bike trails suitable for beginners in Aduna?

Yes, Aduna offers 13 easy mountain bike trails, perfect for beginners or those looking for a more relaxed ride. These routes typically feature gentler gradients and less technical terrain.

Are there challenging mountain bike routes for experienced riders in Aduna?

Absolutely. Aduna has 123 difficult mountain bike routes, providing significant challenges for experienced riders. These trails often include substantial climbs, technical descents, and longer distances, such as the Plazaola Greenway – Witches' Bridge loop from Villabona-Zizurkil, which is 37.9 miles long with over 700 meters of elevation gain.

Are there loop mountain bike trails in Aduna?

Yes, many of the mountain bike trails in Aduna are designed as loops, allowing you to start and finish at the same point. Examples include the Leizarán Stone Bridge – Witches' Bridge loop from Villabona-Zizurkil and the Oindo Txiki Firebreak – Eteneta Menhir loop from Villabona-Zizurkil.

What do other mountain bikers enjoy most about mountain biking in Aduna?

The mountain bike trails in Aduna are highly rated by the komoot community, with an average score of 4.25 stars from over 300 reviews. Riders frequently praise the varied terrain, the scenic greenways, and the well-maintained paths that offer a mix of natural and engineered routes.

What is the best time of year for mountain biking in Aduna?

Spring and autumn generally offer the most pleasant conditions for mountain biking in Aduna, with milder temperatures and less rainfall. Summer can also be good, but it's advisable to start earlier in the day to avoid the midday heat. Winter riding is possible, but trails may be wet or muddy, and higher elevations could experience colder conditions.

Are there any interesting landmarks or attractions along the mountain bike trails in Aduna?

Yes, several trails pass by notable landmarks. For instance, you might encounter the historic Witches' Bridge or the ancient Eteneta Stone Circle. Other points of interest include the Morlans Tunnel and the Eraku Sketa Mine Ruins.

Are there any mountain bike trails suitable for families in Aduna?

While many trails are rated moderate to difficult, the 13 easy routes in Aduna are generally more suitable for families or those riding with children. These trails offer a less strenuous experience, often on established greenways.

Is parking available near the mountain bike trailheads in Aduna?

Many popular starting points for mountain bike trails, such as Villabona-Zizurkil, typically offer parking facilities. It's always a good idea to check specific route details on komoot for parking information related to your chosen trailhead.

Are there any permits required for mountain biking on the trails in Aduna?

Generally, no specific permits are required for mountain biking on the public trails and greenways around Aduna. However, always respect local regulations and private land signage, especially when venturing off marked paths.

Can I find mountain bike trails that offer views of summits or natural monuments?

Yes, some routes provide access to or views of significant natural features. For example, you might get glimpses of the Adarra Summit (849 m) or the Hernio Summit, and some trails pass by the Tontortxiki Prehistoric Tombs and Rest Area.

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