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Spain
Basque Country
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Duranguesado

Zaldibar

The best MTB trails around Zaldibar

4.5

(363)

3,415

riders

158

rides

Mountain biking around Zaldibar offers a diverse landscape for riders. The region features a mix of rolling hills, dense woodlands, and open areas with views of local villages and water bodies like reservoirs and lakes. Terrain varies from smoother paths suitable for leisure rides to more challenging ascents towards higher elevations, including Mount Oiz. The area provides a range of conditions for mountain bikers to explore.

Best mountain bike trails around Zaldibar

  • The most popular mountain bike trail is Aixola…

Last updated: July 7, 2026

#1.

Aixola Reservoir Loop

5.33km

00:27

100m

100m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

4.4

(5)

36

riders

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

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Tips from the Community

ChTh
October 18, 2025, Ermita de San Ignacio

The chapel is dedicated to Saint Ignatius of Loyola. It is known for its modern, triangular architecture.

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Edwin, I've been drinking water from that spring for over 30 years. In fact, all of us in Berriz drink water from the springs in Oiz. I'd say it's some of the best water you can drink in the Basque Country, hehe.

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Nice picnic area, located in the forest, with picnic areas and barbecues. It is an ideal place to enjoy nature.

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Pau Arbat
April 22, 2023, Ermua Town Hall

Located in the Duranguesado region, the town of Ermua is known for its rich history and its beautiful natural landscape. Here you can enjoy the local gastronomy. The town's name may come from the Basque term Emuas, which means border area or terrain, due to its location on the dividing line between the provinces of Vizcaya and Guipúzcoa.

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Edwin
April 17, 2023, Fuente de Ederra

There is a fountain here and the views are quite good of the valley below. I'm not sure if the water is drinkable. It probably is, but I'm not sure I'd risk it.

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Sofía_Ibáñez
April 17, 2023, Ermua

Ermua is a medieval town located on the border between Vizcaya and Guipúzcoa. Located in the narrow valley of the Ego River and surrounded by mountains, this town has an interesting historical heritage, among which several palaces stand out.

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The Aixola reservoir is located between the provinces of Vizcaya and Guipúzcoa. It is surrounded by a beautiful landscape made up of shady pine, oak and beech forests.

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From the dam you have beautiful views in both directions. Looking at the lake and the mountains behind it is very nice, but looking into the small valley is also nice.

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Frequently Asked Questions

How many mountain bike trails are available around Zaldibar?

There are over 160 mountain bike trails around Zaldibar, offering a wide range of options for different skill levels. You'll find 5 easy routes, 89 moderate routes, and 74 difficult routes.

Are there mountain bike trails suitable for beginners in Zaldibar?

Yes, Zaldibar offers several easy mountain bike trails. A great option for beginners is the Aixola Reservoir Loop, which is 3.3 miles (5.3 km) long and takes about 25 minutes to complete, circling the scenic Aixola Reservoir.

What are some challenging mountain bike routes for experienced riders?

For experienced riders seeking a challenge, the region offers several difficult routes. The Garai Village View – Mount Oiz Summit loop from Amaña is a demanding 27.8 miles (44.7 km) trail that includes significant elevation gain towards Mount Oiz, often taking around 4 hours to complete.

Are there any circular mountain bike routes in Zaldibar?

Many of the mountain bike routes in Zaldibar are circular, allowing you to start and end at the same point. For example, the Amorebieta Sculpture – Arteako Benta loop from Zaldibar is a moderate 45.8 miles (73.6 km) circular route.

What kind of views can I expect on the mountain bike trails around Zaldibar?

The trails around Zaldibar offer diverse views, including rolling hills, dense woodlands, and open areas with vistas of local villages. Many routes pass by water bodies like the Aixola Reservoir and Ariola Lake, and some even lead to mountain summits like Mount Oiz, providing panoramic scenery.

Are there any interesting landmarks or attractions along the mountain bike routes?

Yes, you can encounter several interesting landmarks. Some routes pass near significant peaks like Anboto (1,331 m) and Alluitz (1034m). You might also find historical sites such as the Monastery of Santa María de Zenarruza or unique structures like La Nevera de Neberondo.

What do other mountain bikers enjoy most about the trails in Zaldibar?

The mountain bike trails in Zaldibar are highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. Riders often praise the varied terrain, the mix of natural and rural landscapes, and the options available for different ability levels, from easy reservoir loops to challenging mountain ascents.

Are there any trails that pass by lakes or reservoirs?

Yes, the region is known for its routes around reservoirs and lakes. The Ariola Lake Trail – Areitio Climb loop from Ermua is a popular moderate route that includes a climb and passes by Ariola Lake. Another option is the Aixola Dam – Ariola Lake Trail loop from Errotabarri.

What is the typical terrain like on Zaldibar's mountain bike trails?

The terrain around Zaldibar is quite varied. You'll encounter a mix of smoother paths suitable for leisure rides, dense woodlands, and more challenging ascents towards higher elevations. The region features rolling hills and open areas, providing a diverse riding experience.

Are there any less crowded mountain bike trails in Zaldibar?

While popular routes like the Aixola Reservoir Loop can see more traffic, exploring some of the longer, more challenging routes or those starting from less central points might offer a quieter experience. The region has over 160 trails, so there are many opportunities to find less frequented paths, especially on weekdays.

What is the best season for mountain biking in Zaldibar?

Zaldibar's diverse landscape makes it suitable for mountain biking across multiple seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery, while summer can be great for early morning or late afternoon rides. Winter rides are also possible, though conditions may vary with weather.

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