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MTB trails
Spain
Basque Country
Gipuzkoa
Goierri

Altzaga

The best MTB trails around Altzaga

4.4

(72)

1,327

riders

89

rides

Mountain biking around Altzaga, located in the mountainous Goierri region of Gipuzkoa, Basque Country, offers diverse terrain for outdoor activities. The area is characterized by large forests, expansive meadows, and varied elevations. Riders can experience panoramic views of iconic mountains such as Txindoki, Sierra de Aralar, and Sierra de Aizkorri. This natural setting provides a rich variety of mountain bike trails suitable for different skill levels.

Best mountain bike trails around Altzaga

  • The most popular mountain bike trail is Atxurbide…

Last updated: June 20, 2026

5.0

(1)

25

riders

#1.

Atxurbide Summit (787 m) – Atxartiko Gaña Summit (735 m) loop from Ordizia

38.3km

03:13

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

4.5

(8)

21

riders

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

Moderate
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3.0

(1)

21

riders

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

Moderate

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

Moderate

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

Moderate
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Tips from the Community

Koldo
January 2, 2026, Ormaiztegi Viaduct

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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Amazing highlands, small villages and farms, loads of routes to discover up and down the hills! Perfect roads!

3

1

Alvaro Hernandez
December 28, 2023, Ordizia

The historic center of Ordizia is very well preserved and has several buildings that have earned it the declaration of a historical-monumental complex. In addition, its market of typical products has been celebrated since the 11th-12th centuries and its spring Idiazabal cheese market is highly recognized.

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Victor
October 28, 2022, Lazkaomendi

descents in very good condition to avoid problems

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Victor
October 28, 2022, Lasarteko Lepoa Pass

beautiful forest and good trails

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In some sections the roads are very closed by the undergrowth

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Victor
October 28, 2022, Amondarain Bridge

good tracks for a leisurely walk

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very quiet place to go for a bike ride

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Frequently Asked Questions

How many mountain bike trails are available around Altzaga?

There are over 80 mountain bike trails around Altzaga, offering a wide variety of options for different skill levels. The region is known for its diverse terrain within the mountainous Goierri area.

What are the typical difficulty levels for mountain biking in the Altzaga area?

The mountain bike trails around Altzaga and the broader Goierri region cater to all levels. You'll find a mix of easy (S0-S1), moderate, and difficult (S3-S6) routes. There are 3 easy routes, 39 moderate routes, and 44 difficult routes available, ensuring options for beginners to advanced riders.

Are there any family-friendly mountain bike routes near Altzaga?

Yes, the Goierri region, which includes Altzaga, is suitable for families and beginners. While many routes are moderate or difficult, there are 3 easy mountain bike trails available. These routes typically feature less challenging terrain, allowing for a pleasant experience for all ages.

What kind of natural landscapes can I expect to see while mountain biking around Altzaga?

Mountain biking around Altzaga offers stunning natural splendor. You'll ride through large forests and expansive meadows, with panoramic views of iconic mountains like Txindoki, the Sierra de Aralar, and the Sierra de Aizkorri. The terrain often includes engaging natural obstacles like roots and trees, immersing you in the natural environment.

Are there any circular mountain bike routes in the Altzaga area?

Yes, many of the mountain bike trails around Altzaga are designed as loops. For example, the Ordizia – Mandubia Summit loop from Ordizia is a popular moderate option, and the Ordizia – Olaberria loop from Ordizia also offers a great circular ride through the natural landscapes.

What are some notable attractions or landmarks I can see near the mountain bike trails?

While mountain biking, you can explore several interesting attractions. Highlights include the Igartza Monumental Complex, the serene Lareo Reservoir, and the impressive Txindoki (1,346 m) summit. You might also encounter the Amezketa Stream Waterfall, adding a scenic element to your ride.

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

The mountain bike trails around Altzaga are highly rated by the komoot community, with an average score of 4.6 stars from over 70 reviews. Riders frequently praise the diverse terrain, the stunning views of the Aralar and Aizkorri mountain ranges, and the immersive experience of riding through large forests and open meadows.

Is it possible to access mountain bike trailheads near Altzaga using public transport?

While Altzaga itself is a small village, the broader Goierri region has connections. For specific trailheads, it's advisable to check local bus schedules or consider starting points in larger nearby towns like Ordizia, which may have better public transport links to the surrounding areas where many trails begin.

Are there specific rules for mountain biking in the Aizkorri-Aratz or Aralar Natural Parks near Altzaga?

The Aizkorri-Aratz and Aralar Natural Parks offer vast natural expanses for mountain biking. While specific named trails directly within Altzaga are not detailed, when riding in natural parks, it's generally important to stay on marked trails, respect wildlife, and follow any local signage regarding protected areas or specific regulations. Permits are not typically required for general mountain biking on established trails.

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

The Goierri region, including Altzaga, offers good mountain biking conditions for much of the year. Spring and autumn generally provide pleasant temperatures and vibrant scenery. Summer can also be enjoyable, especially in the forested areas, though some higher elevation routes might be warmer. Winter riding is possible but can be affected by rain or snow at higher altitudes.

Are there any challenging mountain bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, there are 44 difficult routes around Altzaga. A notable option is the Atxurbide Summit (787 m) – Atxartiko Gaña Summit (735 m) loop from Ordizia, which is a difficult 38.2 km trail featuring significant elevation gain and demanding terrain across two summits.

Where can I find parking for mountain bike trails around Altzaga?

Parking is generally available in and around the villages that serve as starting points for many trails in the Goierri region. For routes originating from towns like Ordizia, you'll typically find designated parking areas. It's always a good idea to check the specific trailhead information on komoot for details on parking availability.

Can I find cafes or pubs near the mountain bike trails in Altzaga?

Altzaga itself is a small village, but the wider Goierri region offers amenities. You can find cafes and pubs in nearby towns like Ordizia, which is a common starting point for many routes. These establishments provide opportunities for refreshments and meals before or after your ride.

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