17
riders
4
rides
Gravel biking around Ereño, located within the Urdaibai Biosphere Reserve, features a diverse landscape of mountainous terrain and varied paths. The region is characterized by challenging climbs and descents, alongside dirt roads and trails that traverse coastal areas, estuary landscapes, and winding inland routes. Historical quarry roads and geological formations contribute to the rugged and varied surfaces suitable for gravel cycling. This environment provides a comprehensive gravel biking experience for those seeking diverse terrain.
Last updated: July 4, 2026
6
riders
39.6km
02:34
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
30.3km
02:43
870m
870m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
34.9km
02:42
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
78.4km
06:12
2,010m
2,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Recreation of Picasso's famous painting. The original can be seen in Madrid.
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Insane new paved road with beautiful turns and views on the coast. Renown for local bikers but not too busy with cars for us around lunchtime
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Lonely coastal road for cycling with a beautiful beach and bars for a break.
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There are always great views from the street
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A low point on the tour. It was a Sunday and all the restaurants were packed. When I politely expressed my wish to be able to charge the battery in Spanish, we were literally thrown out. Spaniards drive long distances to eat out on Sundays. It has never happened to us that the battery was not allowed to be charged. Of course we would have eaten and drank. The whole place was almost entirely made up of holiday apartments, with the blinds down and totally dead without the lunch guests. No hotel, no guesthouse, but with a train station. Cheers to the Euskotren regional train in the Basque Country, on time, super helpful staff. So take the train back to Gernica!!!
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Completely destroyed by the German Condor Legion in the Spanish Civil War. https://de.wikipedia.org/wiki/Luftkampf_auf_Guernica A well-worth seeing exhibition in the central square shows the horrors of the civil war. The Spanish spelling with "ue" probably goes back to Picasso.
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At 684 meters high, this is the highest peak of the massif that bears its name. It is located on the left bank of the estuary. During the Civil War, the so-called Battle of Sollube took place on its slopes for eight days.
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Wall reproduction of Picasso's painting "Guernica" exhibited at the Reina Sofía Museum in Paris.
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There are 5 gravel bike trails available around Ereño, all offering challenging rides through the diverse landscapes of the Urdaibai Biosphere Reserve.
Gravel biking in Ereño is primarily suited for experienced riders. All listed routes are rated as difficult, featuring mountainous terrain with significant climbs and descents.
You can expect a rich variety of landscapes, including mountainous terrain, stunning coastal views, and picturesque estuary scenery within the Urdaibai Biosphere Reserve. Routes often combine winding inland paths with glimpses of marshes and beaches.
Yes, for those seeking longer rides, the Ondarroa Bay – Puerto de Morga loop from Olabekorta is a challenging 66.2-mile (106.5 km) route. Another substantial option is the Lekeitio Old Town and Basilica – Ondarroa Bay loop from Amoroto, covering 46.9 miles (75.6 km).
Absolutely. Many routes offer breathtaking views. The View from San Pedro de Atxarre and Talaia (276 m) are excellent viewpoints. The San Miguel de Ereñozar hermitage, though not directly on a listed route, offers panoramic views of the Mundaka estuary and is a significant landmark in the area.
You can explore several interesting sites. The Guernica Mural in Gernika is a significant cultural landmark, and the Artzubi Bridge is another point of interest. The Monastery of Santa María de Zenarruza also offers a glimpse into the region's history.
Yes, all the gravel routes listed for Ereño are circular loops. For example, the Lekeitio Old Town and Basilica – Ondarroa Bay loop from Ispaster-Elexalde is a popular option, offering a mix of coastal and inland scenery.
Given that all gravel routes in Ereño are rated as difficult, they are generally not recommended for family-friendly cycling, especially with younger children or beginners. The terrain involves challenging climbs and descents.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Riders often praise the diverse terrain, from spectacular roads to winding inland paths, and the stunning coastal and estuary views within the Urdaibai Biosphere Reserve.
The Urdaibai Biosphere Reserve offers appealing conditions for outdoor activities throughout much of the year. Spring and autumn generally provide pleasant temperatures and vibrant scenery, while summer can be warm but offers longer daylight hours. Always check local weather forecasts before heading out.
While Ereño is nestled within the Urdaibai Biosphere Reserve, which is promoted as a cycling destination, specific public transport links directly to trailheads are not detailed. It's advisable to research local bus or train services to nearby towns like Gernika or Lekeitio, and then plan your ride from there.
Specific parking areas for gravel biking trails are not detailed. However, in villages like Ereño or nearby towns, you can typically find public parking. It's recommended to check local regulations and available parking facilities in the starting points of your chosen routes, such as Ispaster-Elexalde or Gernika.


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