4.3
(85)
1,442
riders
146
rides
Mountain biking around Ormaiztegi offers a diverse landscape characterized by significant elevation changes, including passes and valleys. The region features a mix of natural terrain and historical elements, with routes often traversing through areas with viaducts and traditional forges. Mountain bike trail distances and elevation gain in Ormaiztegi vary, providing options for experienced riders seeking challenging ascents and descents.
Last updated: June 20, 2026
3.7
(3)
29
riders
49.0km
04:02
1,060m
1,060m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
27
riders
58.9km
04:23
1,010m
1,010m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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5.0
(1)
21
riders
64.8km
06:19
1,650m
1,650m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
24
riders
36.8km
02:14
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.8
(4)
16
riders
35.2km
03:04
940m
940m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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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 Mirandaola park is a haven of the history of Basque iron. It is home to the old traditional forge where you can see how iron was worked in the 19th century. In addition, there are various buildings and structures where iron is the protagonist.
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Next to the Mirandaola park is the old forge of the same name, which has currently been converted into an ethnographic museum. You can book your visit through this link: https://lenbur.com/es/museos/ferreria-de-mirandaola/.
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This place is a must do if you like mountain bike and gravel. Easy to get lost at the end with dense fog, make sure you have your GPS charged. Also in autumn even is not that high can be very cold. tip for gravel: think about your tire pressure, rocks are a serious thing over there.
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descents in very good condition to avoid problems
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There are 13 mountain bike trails documented on komoot for the Ormaiztegi area, offering a variety of experiences for riders.
The mountain bike trails around Ormaiztegi are primarily geared towards moderate to difficult skill levels. There are no trails classified as 'easy' in the current selection, with 4 routes rated 'moderate' and 9 as 'difficult'.
For a moderate challenge, consider the Ermita de San Miguel – Mirandaola Forge and Park loop from Ormaiztegi. This route covers 37 km with over 400 meters of elevation gain, typically taking around 2 hours and 15 minutes to complete.
Ormaiztegi's mountain bike trails feature significant elevation changes, including passes and valleys. You'll encounter a mix of natural terrain, often traversing areas with historical elements like viaducts and traditional forges, providing a diverse and engaging ride.
Yes, many of the routes around Ormaiztegi are designed as loops. For example, the challenging Lasarteko Lepoa Pass – Igaratza Free Shelter loop from Ormaiztegi is a 64.8 km circular trail, and the Ormaiztegi Viaduct – Otzaurte Fountain loop from Ormaiztegi is another popular circular option.
For a significant challenge, the Lasarteko Lepoa Pass – Igaratza Free Shelter loop from Ormaiztegi is 64.8 km long with over 1650 meters of elevation gain. Another demanding option is the Ormaiztegi Viaduct – Otzaurte Fountain loop from Ormaiztegi, covering 58.9 km with over 1000 meters of ascent.
Many routes pass by notable features. You might encounter historical sites like the DolmenAitxu, or natural highlights such as the Barrendiola Reservoir. Several trails also offer views of various mountain passes like Collado de Biozkorna and Mandubia Pass.
The mountain bike trails in Ormaiztegi are highly regarded by the komoot community, holding an average rating of 4.4 out of 5 stars from over 90 reviews. Riders often highlight the challenging passes, scenic valleys, and the historical landmarks encountered along the routes.
Yes, several routes incorporate the Mirandaola Forge and Park. The Oakorosoa – Mirandaola Forge and Park loop from Ormaiztegi is a 53.6 km difficult trail that leads through valleys and past this historical site. Another option is the moderate Ermita de San Miguel – Mirandaola Forge and Park loop from Ormaiztegi.
Given the region's diverse landscape with significant elevation changes, spring and autumn generally offer the most pleasant conditions for mountain biking in Ormaiztegi, with milder temperatures and vibrant scenery. Summer can be warm, while winter may bring colder temperatures and potentially wet or muddy conditions on trails.
Absolutely. The region is known for its scenic beauty. The View of the Atagoiti Valley – Mirandaola Forge and Park loop from Ormaiztegi is a difficult 46.5 km route specifically highlighting a scenic valley view. Many trails also offer panoramic vistas from various passes and elevated sections.


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