4.4
(61)
1,160
riders
111
rides
Mountain bike trails Lazkao are situated in the Goierri region, at the foot of the Aralar Mountain Range, offering diverse natural landscapes. The area features mountainous terrain with peaks like Iramendi and Esparru, dense forests, and scenic meadows. Lazkao provides access to natural protected areas such as Aralar Natural Park and Aizkorri-Aratz Natural Park, which are ideal for mountain biking. The Lareo Reservoir, surrounded by beech forests, is another prominent natural feature often included in routes.
Last updated: May 22, 2026
5.0
(2)
48
riders
31.1km
02:58
880m
880m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(3)
42
riders
43.3km
04:02
1,140m
1,140m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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4.8
(4)
38
riders
37.8km
03:45
1,120m
1,120m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
38
riders
35.4km
03:22
900m
890m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(3)
29
riders
39.6km
03:36
910m
910m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
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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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The lords of Igartza built this service center in the 16th century and increased their wealth. This magnificently preserved monumental complex, in addition to the palace-house of the lords, has: a hermitage, a mill, a forge, an apple press, a dovecote, the shoemaker's house and the blacksmith's house, among others. The visit is worth it.
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If you like sheep cheese, you are in the right place. Idiazabal is the headquarters of the shepherds' council that brings together the producers of the famous cheese of the same name. Here you can visit the Idiazabal cheese museum and learn much more about this dairy delicacy.
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Splendid panoramas from the vertex and the mailbox.
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It is well worth visiting these old ovens. It can be done on your own, walking and by stairs.
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Picnic area with bike repair point.
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Spring that emerges inside a small mine
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descents in very good condition to avoid problems
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Mountain biking around Lazkao offers a diverse landscape, characterized by mountainous terrain, dense forests, and scenic meadows. You'll find yourself at the foot of the Aralar Mountain Range, with routes traversing natural protected areas like Aralar Natural Park and Aizkorri-Aratz Natural Park. Expect varied surfaces, from forest paths to more rugged mountain trails, often with significant elevation changes.
There are over 110 mountain bike trails around Lazkao, catering to various skill levels. This includes 3 easy routes, 48 moderate routes, and 63 difficult routes, ensuring options for different experiences and fitness levels.
While many trails in Lazkao are moderate to difficult, there are a few easier options available. For instance, you can find 3 routes classified as easy, which might be suitable for those new to mountain biking or looking for a less strenuous ride.
Many trails offer stunning views and pass by notable natural features. You might encounter the beautiful Lareo Reservoir, surrounded by a beech forest, or ride through areas with ancient oak groves. Impressive peaks like Txindoki (1,346m) and Murumendi (859m) are often visible, and some routes may even lead you past the Amezketa Stream Waterfall.
Yes, many of the mountain bike trails around Lazkao are designed as circular routes, allowing you to start and end in the same location. An example is the challenging Lasarteko Lepoa Pass – Lareo Reservoir loop from Beasain, which offers scenic views and a demanding ride.
The mountain bike trails in Lazkao are highly rated by the komoot community, with an average score of 4.6 stars from over 60 reviews. Riders often praise the diverse and challenging terrain, the stunning natural beauty of the Aralar and Aizkorri-Aratz Natural Parks, and the rewarding views from various summits.
Lazkao's diverse natural landscapes make it suitable for mountain biking across several seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. While specific seasonal considerations aren't detailed, the region's mountainous nature suggests that summer can be warm, and winter might bring colder conditions or snow at higher elevations.
Absolutely. Lazkao is known for its difficult mountain bike routes, with 63 trails classified as such. For a demanding ride, consider the Lasarteko Lepoa Pass – Amondarain Bridge loop from Beasain, a 23.5-mile trail with significant elevation gain through mountainous landscapes.
Yes, many routes provide panoramic views of the surrounding peaks. The region is home to impressive summits like Txindoki (1,346m), Aizkorri (1,528m), and Murumendi (859m). The hermitage of San Juan Ante Portam-Latinam (San Juan Txiki) in Lazkaomendi, for example, offers a privileged vantage point for these views, and trails often pass through areas with similar vistas.
Yes, the area around Lazkao is characterized by dense forests, including ancient oak groves and beech forests, particularly around the Lareo Reservoir. Many mountain bike routes are designed to immerse you in these natural settings, offering shaded paths and a unique riding experience.
Among the listed routes, the Lasarteko Lepoa Pass – Lareo Reservoir loop from Beasain is one of the longest, covering 26.9 miles (43.3 km) and requiring significant fitness and experience due to its challenging terrain.
Many trails in Lazkao combine the best of both worlds. For instance, the View of Santa Marina – Murumendi Forest loop from Beasain takes you through forested areas while also providing open views, such as those towards Santa Marina and the Murumendi peak.


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