4.0
(2)
19
riders
4
rides
No traffic gravel bike trails around Mundaca are situated within the Urdaibai Biosphere Reserve, offering a diverse landscape for cycling. The region features a mix of coastal trails along the Cantabrian Sea, routes following the Mundaca Estuary, and paths through dense inland forests. Undulating terrain and hills like Mount Katillotxu provide varied elevation changes for gravel bikers.
Last updated: July 2, 2026
3
riders
15.5km
01:28
490m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
6
riders
55.5km
04:19
1,580m
1,580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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
34.9km
02:42
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
24.2km
01:49
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Mundaca
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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Great view of the peninsula! In my opinion, you can save yourself the trip to the peninsula and the online registration process.
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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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While this guide highlights specific routes, the Urdaibai Biosphere Reserve, where Mundaca is located, offers a vast network of unpaved roads and natural trails ideal for gravel biking. You'll find numerous options that immerse you in nature, away from vehicle traffic, ranging from coastal paths to forest trails.
The terrain around Mundaca is incredibly diverse. You can expect a mix of coastal paths offering stunning sea views, forest trails through oak and pine woods, and undulating paths along the Mundaca Estuary. Some routes may include significant elevation changes, rewarding you with breathtaking vistas from viewpoints like those found on Mount Katillotxu.
Yes, the region offers routes with significant elevation changes and unpaved, sometimes difficult, terrain. For example, the route 'Fantastic view from the top – Viewpoint Bakio Bay loop from Bakio' is a challenging 15.5 km ride with over 485 meters of elevation gain, offering spectacular views. You can explore it further here: Viewpoint Bakio Bay loop.
Many no-traffic gravel routes will lead you to incredible natural and cultural landmarks. You might pass by the dramatic coastline, the lush Urdaibai Estuary, or ascend to viewpoints offering panoramic scenes of Izaro Island. Notable highlights in the broader area include the iconic Saint John of Gaztelugatxe, the unique Oma Forest, and various viewpoints like Views over the Urdaibai marsh.
While the routes listed in this guide are rated as difficult, the broader Urdaibai Biosphere Reserve and the Basque Country feature 'Vías Verdes' (greenways). These converted railway lines often provide traffic-free, gentler gravel paths suitable for families, though specific routes may require local inquiry for their exact location relative to Mundaca.
Yes, many of the gravel routes in the region are designed as loops, allowing you to start and end in the same location. For instance, the 'Guernica Mural in Gernika – Artzubi Bridge loop from Gernika' is a 30.3 km circular route that takes you through varied landscapes. Find more details here: Artzubi Bridge loop.
Thanks to its oceanic climate, Mundaca and the Urdaibai Biosphere Reserve offer lush, green landscapes year-round. Spring and autumn generally provide the most pleasant temperatures for gravel biking, with fewer crowds than summer. However, the mild winters can also be suitable, especially for exploring coastal and lower-elevation routes.
While the routes themselves focus on natural, traffic-free areas, many pass near charming villages or towns where you can find local cafes, restaurants, and traditional Basque pintxos. It's always a good idea to plan your route and check for amenities in nearby settlements like Mundaca, Bermeo, or Gernika before you set out.
Gravel bikers frequently praise the unique blend of stunning coastal views, the serene immersion in the dense forests of the Urdaibai Biosphere Reserve, and the challenging yet rewarding terrain. The opportunity to explore a UNESCO protected area away from traffic, combined with the rich Basque culture, makes for a memorable experience.
Many towns and villages in the region, including Mundaca, Bermeo, and Gernika, offer public parking facilities. When planning your ride, it's advisable to check parking options in the specific starting location of your chosen route. For example, the 'Bermeo Harbor – Bermeo Harbour loop from Bermeo' starts in a town with parking availability: Bermeo Harbour loop.
The Basque Country has a reasonably good public transport network, including train and bus services that connect Mundaca and surrounding towns within the Urdaibai region. While direct access to every trail might not be possible, you can often reach a nearby town by public transport and start your gravel biking adventure from there.


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