4.0
(2)
19
riders
3
rides
Gravel biking around Sukarrieta offers diverse landscapes within the Urdaibai Biosphere Reserve, characterized by a unique blend of coastal and inland scenery. The region features a dynamic marsh landscape that changes with the tides, alongside the Oka River which defines much of the estuary system. Riders can expect varied terrain, including quiet country roads and paths that traverse protected natural environments. This area provides a mix of land and water features, making it suitable for no traffic gravel bike trails.
…Last updated: July 1, 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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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
1
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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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Sukarrieta is nestled within the Urdaibai Biosphere Reserve, offering a unique blend of coastal and inland scenery. This protected area provides a network of quiet inland country roads and diverse mixed terrains, perfect for gravel biking away from heavy traffic. You'll find trails that traverse marshlands, coastal villages, and natural sanctuaries like Txatxarramendi Island.
While the routes listed in this guide are generally rated as 'difficult' due to elevation changes, the Urdaibai Biosphere Reserve does offer various trails that can be adapted for gravel bikes, including some easier mountain bike trails. These often traverse quiet country roads, allowing for a more relaxed experience. It's always recommended to check the route profile on komoot for specific details before heading out.
The terrain around Sukarrieta is diverse, ranging from quiet asphalt roads through rural areas to gravel paths and compacted dirt trails within the Urdaibai Biosphere Reserve. You'll encounter a mix of surfaces that are well-suited for gravel bikes, often providing stunning views of the estuary, marshlands, and coastal landscapes. Expect some elevation changes, as indicated by routes like the Fantastic view from the top – Viewpoint Bakio Bay loop from Bakio.
Many outdoor trails in the Urdaibai Biosphere Reserve are dog-friendly, but it's crucial to keep your dog on a leash, especially in protected areas and near wildlife. Always respect local regulations and ensure your dog is well-behaved and doesn't disturb other users or the natural environment. Check individual route details on komoot for any specific restrictions.
The region is rich in attractions. You can explore the unique marsh landscape of the Urdaibai Biosphere Reserve, visit Saint John of Gaztelugatxe (though a short detour from Sukarrieta), or discover the Oma Forest, an artistic installation. Other highlights include the Santa Catalina Hermitage and Mundaka Harbor, and various viewpoints offering Views over the Urdaibai marsh.
While the listed routes are challenging, the general area of Urdaibai Biosphere Reserve offers quieter paths and country roads that can be suitable for families. Look for routes with less elevation gain and shorter distances. Toña Beach in Sukarrieta is also a peaceful, family-friendly spot, and nearby trails often connect to such areas, providing a gentler cycling experience for all ages.
Sukarrieta and its surrounding villages, being popular for outdoor activities, generally offer public parking areas. For specific routes, it's advisable to check the starting point on komoot for designated parking information. Parking near key attractions or village centers is usually available, providing convenient access to the no-traffic gravel trails.
The Basque Country generally enjoys a mild climate. Spring (April-June) and Autumn (September-October) are often considered ideal, offering pleasant temperatures and lush scenery. Summer can be warm but is also popular. Winter can be cooler and wetter, but many trails remain accessible. Always check the local weather forecast before your ride, especially for conditions in the Urdaibai Biosphere Reserve.
Sukarrieta and the surrounding coastal villages like Mundaka and Bermeo (which you can explore on routes like the Bermeo Harbor – Bermeo Harbour loop from Bermeo) offer various cafes, pubs, and restaurants. These are great spots to refuel and experience local Basque cuisine. Many are bike-friendly, providing a welcoming atmosphere for cyclists.
The duration of the routes varies depending on their length and elevation. For example, the Fantastic view from the top – Viewpoint Bakio Bay loop from Bakio is about 15.5 km and takes around 1 hour 28 minutes, while the Guernica Mural in Gernika – Artzubi Bridge loop from Gernika is longer at 30.3 km, taking approximately 2 hours 42 minutes. These times are estimates and can vary based on your pace and stops.
As a protected natural area, the Urdaibai Biosphere Reserve has regulations to preserve its environment. Cyclists are generally expected to stay on marked trails and paths, respect wildlife, and avoid disturbing the natural habitat. Littering is strictly prohibited. While specific permits for cycling are not typically required for general use, always be mindful of signage and local guidelines, especially in sensitive ecological zones.


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