16
riders
4
rides
Gravel biking around Busturia offers routes through a varied landscape within the Urdaibai Biosphere Reserve. The region is characterized by coastal views, significant climbs, and forested sections, featuring prominent hills and viewpoints overlooking the Bay of Biscay. Terrain often includes a mix of paved and unpaved surfaces, suitable for gravel bikes, providing diverse cycling experiences from estuaries to rolling hills.
Last updated: May 6, 2026
2
riders
15.5km
01:28
490m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
48.1km
04:03
1,390m
1,390m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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2
riders
30.3km
02:43
870m
870m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
23.8km
01:47
560m
550m
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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Super beautiful views over the coast
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on your way down don't miss a small path to the right. this leads you to a view onto Gatzelugatxe
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Great viewpoint over the bay, beach and swimmers. There are also benches here
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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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Wall reproduction of Picasso's painting "Guernica" exhibited at the Reina Sofía Museum in Paris.
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The gravel biking routes around Busturia are generally considered challenging, featuring significant climbs and varied terrain. All the routes currently listed are rated as 'difficult', making them more suitable for experienced riders. For example, the Fantastic view from the top – Viewpoint Bakio Bay loop from Bakio, while offering panoramic views, involves substantial elevation gain.
Busturia's gravel trails offer a diverse landscape, characterized by coastal views, prominent hills, and forested sections. You'll encounter a mix of paved and unpaved surfaces, including gravel roads and paths, making them ideal for gravel bikes. Expect challenging climbs and rewarding descents, often with views overlooking the Bay of Biscay.
Given the challenging nature of the gravel bike trails in Busturia, which typically involve significant climbs and are rated as 'difficult', they may not be ideal for families with young children or beginners. These routes are generally better suited for more experienced riders seeking a demanding cycling experience.
Many routes offer stunning coastal vistas. For example, the Jata Summit – View of the Jata Coast loop from Mungia provides coastal views from Jata Summit. Beyond the trails, you can explore nearby attractions such as the iconic Saint John of Gaztelugatxe, the historic Guernica Mural in Gernika, or the unique Oma Forest.
The duration varies depending on the route and your pace. For instance, the Fantastic view from the top – Viewpoint Bakio Bay loop from Bakio, which is about 9.6 miles (15.5 km), typically takes around 1 hour 41 minutes. Longer routes, like the View of the Jata Coast – View of Bakio loop from Mungia (29.9 miles / 48.1 km), can take approximately 4 hours 3 minutes.
Yes, many of the popular gravel biking routes in Busturia are designed as loops, allowing you to start and finish at the same point. Examples include the Bermeo Harbor – Bermeo Harbour loop from Bermeo and the Guernica Mural in Gernika – Artzubi Bridge loop from Gernika.
The coastal climate of Busturia generally makes spring and autumn excellent seasons for gravel biking, offering pleasant temperatures and often clearer skies. While winter biking is possible, be prepared for potentially wetter and windier conditions, typical of the Bay of Biscay region.
The gravel biking routes in Busturia are highly rated by the komoot community, with an average score of 4.3 stars. Riders often praise the challenging climbs, the diverse mix of terrain, and the spectacular coastal views, especially those overlooking the Bay of Biscay.
While specific regulations can vary, generally, dogs are welcome on many outdoor trails in the region, especially if kept on a leash. However, always be mindful of local signage, protected areas, and other trail users. It's advisable to check for any specific restrictions along your chosen route.
Parking availability can vary by trailhead. Many routes start from towns like Bakio, Mungia, Bermeo, or Gernika, where public parking options are typically available. It's recommended to check the starting point of your chosen route for specific parking information before you head out.
Many of the gravel routes in Busturia pass through or near small towns and villages, such as Mungia, Bakio, Bermeo, or Gernika. These locations often have cafes, restaurants, or shops where you can refuel and take a break. Planning your route with these stops in mind is a good idea.


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