164
riders
23
rides
Gravel biking around Muxika offers diverse terrain within the Urdaibai Biosphere Reserve, a UNESCO-declared natural area. The region is characterized by verdant fields, mountainous landscapes, and a network of forest and dirt roads ideal for cycling. Riders can explore varied surfaces, including gravel and unpaved paths, connecting different natural features. This area provides a mix of challenging climbs and scenic routes through its rich ecosystems.
Last updated: October 19, 2026
21
riders
22.1km
01:45
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
25
riders
35.7km
02:24
560m
560m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

7
riders
30.5km
02:24
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
83.7km
06:26
2,050m
2,050m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
33.2km
02:37
670m
670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Muxika
Beautiful but with incredible views
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The castle is gigantic and beautiful to look at, unfortunately it has been surrounded by a construction fence for ages. Unfortunately, you can't see much. Whether the detour is worth it, everyone has to decide for themselves.
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The chapel is dedicated to Saint Ignatius of Loyola. It is known for its modern, triangular architecture.
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Definitely a highlight, but unfortunately, the castle was covered in scaffolding when I visited. The castle dates back to the Middle Ages but was later almost completely rebuilt.
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The summit of the Unbe (302 metres) is the highest in the massif of the same name.
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beautiful landscapes of the Basque Country
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The Muxika area offers a good selection of traffic-free gravel bike trails, with 13 routes currently available in this guide. These routes allow you to explore the beautiful landscapes of the Urdaibai Biosphere Reserve without vehicle interference.
You can expect a diverse range of terrain, typical of the Urdaibai Biosphere Reserve. Routes often traverse verdant fields, undulating mountainous areas, and serene forests. The region features a mix of gravel roads, dirt roads, and even some singletrack, providing a varied and engaging experience for gravel bikers.
Yes, Muxika offers several challenging no-traffic gravel routes. Out of the 13 routes in this guide, 10 are rated as difficult, featuring significant elevation gains. For example, the Urkiola Pass – Urkiola Sanctuary loop from Durango covers over 30 km with more than 800 meters of ascent, providing a demanding ride through stunning scenery.
While many routes are rated difficult, there are also moderate options that might be suitable for families with some cycling experience. The region's varied terrain means you can often find less strenuous sections. For instance, the Aixola Reservoir loop from Mallabia is a moderate option that offers beautiful views without extreme technical challenges.
Many routes offer access to stunning natural landmarks within the Urdaibai Biosphere Reserve. You might encounter the unique Oma Forest, known for its painted trees, or enjoy panoramic views from the Balcón de Bizkaia Viewpoint. The area also features impressive peaks like Mugarra Summit and Untzillatx Summit, which can be seen from various trails.
Absolutely. Muxika and the surrounding Urdaibai area are rich in cultural heritage. You can discover sites like the 16th-century fortified house of Muxika, the Romanesque chapel of San Román, or the medieval church of Santa María. The small village of Unda, with its medieval country houses, and the Baroque hermitage of San Lorenzo in Maguna, also add historical interest to your rides.
Yes, many of the no-traffic gravel routes around Muxika are designed as circular loops, allowing you to start and end at the same point. Examples include the La Nevera de Neberondo – Neverondo Ice House loop from Durango and the Reservoir – Crossing loop from Lemoa, which offer convenient exploration of the region.
Muxika, located within the Urdaibai Biosphere Reserve, is recognized as a prime cycling destination. While specific seasons aren't mentioned, generally, spring and autumn offer pleasant temperatures and lush landscapes, making them ideal for gravel biking. Summers can be warm but are also popular, while winters might bring cooler, wetter conditions.
Yes, the region is known for its scenic viewpoints. The Balcón de Bizkaia Viewpoint is a notable highlight, offering breathtaking panoramic vistas of the entire Urdaibai reserve and its estuary. Many routes will naturally lead you through elevated sections providing stunning outlooks over the green fields and mountains.
While specific regulations for dogs on every trail can vary, generally, dogs are welcome in many outdoor areas of the Urdaibai Biosphere Reserve, especially on wider gravel paths, provided they are kept under control. It's always advisable to check local signage or specific park rules for any restrictions, particularly in protected natural areas or near wildlife habitats.
Given Muxika's location within the Urdaibai Biosphere Reserve, a UNESCO-declared natural paradise, you might encounter diverse wildlife. The reserve is known for its rich birdlife, especially around the estuary and wetlands. You could also spot various mammals in the forests and fields, making for a truly immersive nature experience on these traffic-free routes.


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