4.7
(362)
3,735
riders
186
rides
Mountain bike trails around Muxika offer diverse topography within the Urdaibai Biosphere Reserve in the Basque Country. The region features rolling green hills, extensive oak and beech forests, and gentle mountains. This varied landscape provides a range of mountain biking experiences, from less technical paths to demanding routes with significant elevation changes.
Last updated: July 3, 2026
3.0
(1)
2
riders
29.3km
03:04
1,020m
1,020m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
18
riders
43.8km
03:47
960m
960m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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5.0
(2)
13
riders
45.9km
04:13
1,280m
1,280m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
12
riders
39.1km
02:54
610m
610m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
8
riders
17.7km
01:36
450m
450m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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The medieval church of San Lorenzo de Zallobante stands out for its simplicity and its rural setting, reflecting the historical and cultural traditions of the area.
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Edwin, I've been drinking water from that spring for over 30 years. In fact, all of us in Berriz drink water from the springs in Oiz. I'd say it's some of the best water you can drink in the Basque Country, hehe.
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The municipality of Gautegiz-Arteaga preserves the only tidal flour mill that once existed on the Urdaibai estuary: the Ozollo Errota tidal mill. Furthermore, the Arteaga mill is the best preserved and the only one that retains most of its facilities. The mill was built around 1683, in the marshland of Laida Beach, in the Kanala area. An area of the marsh was used for its construction, enclosing it with walls, and it was fed by the dam in the rear reservoir. In addition to the milling house, where the drive wheels were installed, the mill has a building at the lowest point of the reservoir. This is a house located on the edge of the estuary, above the same water inlet and outlet. Therefore, the Ozollo Errota tidal mill is the most notable heritage structure in Urdaibai. The mill ceased to operate in the early decades of the 20th century and has been privately owned for several years.
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The beach is there only at Ebb and disappears completely under the waves at high tide. From this point you also have a great view of the village of Mundaka
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essential to fill miraculous water bottle
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One of the most beautiful beaches of the Cantabrian.
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The castle of Arteaga, also known as the castle of Empress Eugenia de Montijo, was built in the 19th century in neo-medieval style on the foundations of an 8th century castle. Its location stands out, in a large flat meadow surrounded by vegetation, unlike the medieval defensive castles built on a hill.
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There are over 200 mountain bike trails around Muxika. These routes cater to various skill levels, with 14 easy, 113 moderate, and 74 difficult options available.
The terrain around Muxika, nestled within the Urdaibai Biosphere Reserve, is quite diverse. You can expect rolling green hills, extensive oak, beech, and pine forests, and gentle mountains. The landscape gradually slopes towards the coast, offering glimpses of impressive cliffs and secluded coves, and features the biodiverse Mundaka estuary.
Yes, Muxika offers numerous challenging routes. For instance, the Monte Oiz – circular from Albiz is a difficult 29.3 km trail with over 1,000 meters of elevation gain. Another demanding option is the Mount Oiz Summit – Monte Oiz loop from Lurgorri, which covers 45.9 km with significant climbing.
Absolutely. Many routes incorporate notable landmarks. For example, the Navárniz Village – Arteaga Castle loop from Lurgorri passes directly by the impressive Arteaga Castle. You can also explore highlights like the La Nevera de Neberondo or the San Ignacio Hermitage and Picnic Area, which are accessible from various trails.
Yes, there are 113 moderate trails to choose from. A great option is the Arteaga Castle – Laida Beach loop from Lurgorri, a 38.8 km route that offers a mix of terrain and scenic views, including coastal sections.
The mountain bike trails in Muxika are highly regarded by the komoot community, holding an average rating of 4.7 stars from over 350 reviews. Riders frequently praise the diverse topography, lush forests, and the variety of routes available for all skill levels.
Yes, Muxika offers 14 easy mountain bike routes. While specific family-friendly routes are not detailed in the data, the presence of easy trails suggests options for less experienced riders. The Urdaibai Bike Reserve actively promotes family-friendly excursions, so you'll find suitable paths.
Muxika benefits from an oceanic climate, ensuring verdant surroundings year-round. While specific seasonal advice isn't provided, the lush green landscapes are ideal for mountain biking. Spring and autumn generally offer pleasant temperatures and less extreme weather, making them popular choices.
Yes, many of the trails around Muxika are designed as loops. For example, the Monte Oiz – circular from Albiz and the Navárniz Village – Arteaga Castle loop from Lurgorri are both excellent circular options, allowing you to start and finish at the same point.
Yes, the region offers various accommodation and dining options. You can find places like the Usandi Hostel or the Ubanji Guesthouse, Bolibar. The Urdaibai Biosphere Reserve, including Muxika, is well-equipped to welcome cyclists, so you'll find amenities in nearby towns and villages.
Many routes in the Urdaibai Biosphere Reserve provide breathtaking views due to the region's diverse topography. The 'Discovering Oiz' route, for instance, ascends to the hermitage of San Cristóbal, which is known for its panoramic vistas. The trails often pass through elevated areas, offering expansive outlooks over the green hills and forests.


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