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MTB trails
Spain
Nord Occidental

Eratsun

The best MTB trails around Eratsun

4.2

(140)

1,370

riders

52

rides

Mountain biking around Eratsun offers a network of trails characterized by varied terrain, including dense forests and significant elevation changes. The region features a mix of challenging climbs and technical descents, often traversing through natural landscapes. Riders can expect routes that navigate through valleys and ascend to higher ground, providing a robust mountain biking experience. The area's topography makes it suitable for those seeking demanding off-road adventures.

Best mountain bike trails around Eratsun

  • The most popular mountain bike trail is…

Last updated: May 8, 2026

2.5

(2)

4

riders

#1.

Vuelta por Artikutza

25.6km

02:54

820m

820m

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. 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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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

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

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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Popular around Eratsun

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Tips from the Community

Enrique Siscar
July 15, 2025, Martyconea

IMPRESSIVE MANU5

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It is a vital infrastructure for the water supply to San Sebastián. Located in a protected natural environment, it is distinguished by its impressive landscape and rich biodiversity. If you visit the area, it is definitely worth stopping to admire its stunning beauty.

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This was one of the most prominent forges in the region until the 19th century. Today, you can still recognize the potential it had during its period of operation. The old and new bridges, along with other buildings such as the mill, the workers' house and the dam, attest to this.

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A family trip

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Small reservoir located in a beautiful and picturesque environment between the typical forest and mountain landscape of the Navarrese interior, a good place to take a break and regain energy.

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The landscape that surrounds the Artikutza quarry is wonderful at any time of the year that you visit it. At the gates of the Protected Zone, the quarry is a starting point for several paths and paths that always satisfy both hikers and mountain bikers.

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This viewpoint a few meters from the top of Erroiarri offers beautiful views of the entire protected area of Artikutza and the Erroiarri river valley.

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It is a beautiful waterfall that is located a few meters from the main path and offers an ideal place to cool off in its waters on summer days.

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Frequently Asked Questions

How many mountain bike trails are there in Eratsun?

Eratsun offers over 50 mountain bike trails. The network includes a mix of routes, with 1 easy, 20 moderate, and 31 difficult options, catering primarily to experienced riders seeking demanding off-road adventures.

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

While the region is known for its challenging terrain, there is 1 easy mountain bike trail available in Eratsun. Most routes feature significant elevation changes and technical descents, making them more suitable for riders with some experience.

What kind of distances and elevations can I expect on mountain bike trails in Eratsun?

Mountain bike trails in Eratsun vary significantly in distance and elevation. For example, the Vuelta por Artikutza is 15.9 miles (25.6 km) with over 800 meters of climbing, while the Mountain biking through the forges of Artikutza covers 19.4 miles (31.2 km) with over 900 meters of ascent. Expect demanding climbs and descents across the network.

Are there challenging mountain bike trails for advanced riders in Eratsun?

Yes, Eratsun is well-suited for advanced riders, with 31 difficult mountain bike trails. Routes like the Ekaitza and Arritzulegi Reservoir Loop, at 19.8 miles (31.8 km) with over 1400 meters of elevation gain, offer significant challenges through varied terrain and dense woodlands.

What do other mountain bikers say about the trails in Eratsun?

The mountain bike trails in Eratsun are highly regarded by the komoot community, holding an average rating of 4.2 stars from over 135 reviews. Riders often praise the challenging climbs, technical descents, and the immersive experience of riding through dense forests and natural landscapes.

Are there any circular mountain bike routes in Eratsun?

Yes, many of the trails in Eratsun are designed as loops. For instance, the Ekaitza and Arritzulegi Reservoir Loop is a popular circular route, as is the Martyconea loop from Basaburua, offering varied terrain and scenic views.

What interesting sights can I see along the mountain bike trails in Eratsun?

Many trails in Eratsun pass by notable natural and historical features. You can explore areas like the Leurza Reservoir or the Artikutza Dam. Some routes also traverse historical areas, such as those near the forges of Artikutza, offering a blend of natural beauty and cultural interest.

Are there any historical sites or landmarks near the mountain bike trails in Eratsun?

Yes, the region around Eratsun features several historical sites and landmarks. You might encounter parts of the Plazaola Greenway, a former railway line, or the Bartolo Tunnel. The Doneztebe (Santesteban) Historic Centre is also within reach for exploration.

What are the general trail conditions like for mountain biking in Eratsun?

The mountain bike trails in Eratsun are characterized by varied terrain, often traversing through dense forests. Riders can expect a mix of challenging climbs and technical descents, with conditions that reflect the natural landscapes of the region. The topography makes it suitable for demanding off-road adventures.

Are there any less crowded mountain bike trails in Eratsun?

While specific crowd levels can vary, exploring some of the longer and more challenging routes, such as the Malbazar Pass – Listorreta Fountain loop from Goizueta (62.6 km), might offer a more secluded experience due to their demanding nature and length, attracting fewer casual riders.

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

The best time for mountain biking in Eratsun is typically during the spring and autumn months when temperatures are milder and the forest trails are vibrant. Summer can also be suitable, but riders should be prepared for warmer conditions, especially on exposed sections. Winter riding may be possible but can be affected by rain and potentially muddy conditions.

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