4.3
(55)
425
riders
12
rides
Mountain bike trails Ondarroa are set within a rugged coastal area at the Artibai River estuary, offering diverse terrain for outdoor activities. The region features a mix of sandy beaches, cliffs, and forested areas, providing varied environments for mountain biking. Its hilly landscape, with the historic center built on a rocky incline, suggests routes with elevation changes. This topographical variation around the Bay of Biscay creates opportunities for both coastal and inland mountain biking experiences.
Last updated: July 4, 2026
5.0
(3)
51
riders
35.3km
02:22
570m
570m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(1)
29
riders
30.3km
02:47
830m
830m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.0
(3)
27
riders
31.8km
03:08
870m
870m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(2)
16
riders
43.3km
04:29
1,360m
1,360m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
3.0
(2)
16
riders
21.7km
02:08
610m
610m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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That is NOT A FOREST! It is a single plantation of eucalyptus. In reality it is a disaster painted green, green as hell.
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Lonely coastal road for cycling with a beautiful beach and bars for a break.
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This path between the center of Obekolaldea and Ondarroa is ideal for walking while you follow the course of the Artibai River.
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This peak in the Markina-Xemein area is 433 meters high. The classic and also fastest route to climb is from Markina-Xemein.
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This 386 meter high summit is located in the Arno massif, above the town of Ondarroa. This is a good point from which to observe the Cantabrian Sea and some of the peaks that surround you.
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This beautiful Roman bridge in Ondarroa is also known as Puente Viejo and, despite having been built in 1795, it has a Romanesque style.
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Ondarroa is a picturesque town located on the eastern limit of the province of Vizcaya, on the shores of the Cantabrian Sea. The Artibai river crosses the town, creating a small marsh (the name Ondarroa means "mouth of sand"). The old town and the old bridge of Ondarroa recall its medieval legacy.
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Ondarroa's mountain bike trails are characterized by a rugged and diverse landscape where mountains meet the sea. You'll encounter a mix of coastal paths, hilly terrain with significant elevation changes, and routes along the Artibai River estuary. The region's geology, predominantly limestone, contributes to varied surfaces, and many trails traverse dense forests and offer stunning views of the Cantabrian Sea.
While Ondarroa's terrain is generally rugged, the area offers a range of trails. The guide features 7 moderate routes, which could be suitable for mountain bikers with some experience. Currently, there are no trails specifically classified as 'easy' in this guide, but moderate routes like the Lekeitio Old Town and Basilica – Lekeitio loop from Ondarroa offer a good introduction to the region's varied landscape.
For experienced mountain bikers seeking a challenge, Ondarroa offers 5 difficult routes. A notable option is the Ondarroa – Old Bridge of Ondarroa loop from Ondarroa, which covers 43.3 km and features over 1350 meters of elevation gain, providing a demanding ride through the region's hilly terrain.
Many trails offer scenic views and pass by interesting landmarks. You can enjoy coastal vistas, especially on routes like the Coastal Road Ondarroa–Lekeitio – Karraspio Beach loop from Ondarroa. Other routes might take you past cultural highlights such as the Basilica of the Assumption of Our Lady of Lekeitio or offer panoramic views like the Panoramic view of Deva. The historic center of Ondarroa itself, with its medieval streets, is also a point of interest.
Yes, many of the mountain bike trails around Ondarroa are designed as loops, allowing you to start and finish in the same location. Examples include the View of Madalena loop from Ondarroa and the Old Bridge of Ondarroa – View of Madalena loop from Ondarroa, which are popular choices for exploring the area's diverse landscapes.
The Basque Country, where Ondarroa is located, is known for its lush, humid forests. While specific seasonal recommendations aren't provided, the varied terrain and coastal climate suggest that spring and autumn might offer the most comfortable temperatures for mountain biking. Summers can be warm, and winters might bring more rainfall, but the rugged landscape is accessible year-round for determined riders.
The mountain bike trails around Ondarroa are highly rated by the komoot community, with an average score of 4.4 stars from over 40 reviews. Riders often praise the diverse terrain, which combines coastal views with challenging hilly sections, and the opportunity to explore both natural landscapes and historical towns like Lekeitio.
While this guide does not list specific rental or repair shops, Ondarroa is a fishing village and a destination for outdoor activities. It is advisable to check local tourism resources or inquire in the town center for information on bike rental or repair services before your visit.
The duration of mountain bike trails in Ondarroa varies depending on the route's length and difficulty. For example, the Lekeitio Old Town and Basilica – Lekeitio loop from Ondarroa is a moderate 35.5 km trail that typically takes around 2 hours and 23 minutes. Longer, more difficult routes, such as the Ondarroa – Old Bridge of Ondarroa loop from Ondarroa (43.3 km), can take over 4 hours to complete.
Ondarroa is a well-connected town within the Basque Country. While specific public transport routes to trailheads are not detailed in this guide, local bus services typically connect towns and villages in the region. It's recommended to check local transport schedules for routes that might serve areas near your chosen trailhead.
The guide does not specify whether trails are officially dog-friendly. However, many natural trails in the Basque Country allow dogs, especially if kept on a leash. It's always best to check local regulations or signage at the trailhead, and ensure your dog is well-behaved and doesn't disturb wildlife or other trail users.
While there are no trails specifically marked as 'easy' for beginners or young children in this guide, some of the moderate routes might be suitable for families with older, more experienced children. The region's diverse landscapes offer opportunities for scenic rides, but always consider the elevation gains and distances before setting out with family.


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