115
riders
21
rides
Gravel biking around Urdaibai offers diverse terrain within a UNESCO Biosphere Reserve, characterized by its estuary, coastal cliffs, and inland hills. The region features a mix of paved roads, gravel tracks, and forest paths, providing varied surfaces for gravel cyclists. Elevation changes are common, with routes often including significant climbs and descents through wooded areas and open landscapes. The natural environment supports a range of flora and fauna, making for scenic rides.
Last updated: May 11, 2026
20
riders
20.1km
01:39
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
36.5km
03:14
880m
880m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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12
riders
36.0km
03:13
940m
940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
32.6km
02:35
550m
550m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
38.0km
02:38
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Urdaibai
Beautiful views . A few minutes from the parking lots
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Beautiful place for all tastes For hiking, cycling, to bring children with a park with swings
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The best place to start the route to Alluitz.
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Read the history of "the Fridge" (la nevera) below the map on the information board next to this shelter, built over the filled-in historic snow pit which served to provide ice to locals.
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A beech forest delight to walk at any time of the year.
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Following the GR 282 through the southern area of Urkiolaguirre, we can enjoy these incredible beech forests that, depending on the season, can be very beautiful. This particular section passes next to the peaks of Maltsaso and Ollargan, although both lack views because they are immersed in the beech forest.
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Located above a cave, this hermitage is next to the river and the old road that connected with the Cantabrian coast and Duranguesado. It is located next to a climbing area.
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Urdaibai, a UNESCO Biosphere Reserve, offers a diverse gravel biking experience with a mix of paved roads, gravel tracks, and forest paths. The terrain often includes significant climbs and descents through wooded areas and open landscapes, providing varied surfaces and scenic rides. Most routes are geared towards experienced riders, with a few moderate options available.
Yes, komoot features over 30 gravel bike routes in the Urdaibai region. These routes explore the estuary, coastal cliffs, and inland hills, offering a wide range of challenges and scenic beauty.
The majority of gravel bike routes in Urdaibai are classified as difficult, with 29 out of 33 routes falling into this category. There are also 4 moderate routes, but no easy routes are currently listed. Riders should be prepared for challenging climbs and varied terrain.
For those seeking longer rides, consider the Belatxikieta Summit (661 m) – Great bicycle way like a highway loop from Durango, which is approximately 38.4 km (23.9 miles) long. Another substantial option is the Urkiola Pass – Urkiola Sanctuary loop from Durangaldea, covering about 37.8 km (23.5 miles).
Yes, many of the gravel bike routes in Urdaibai are loops, allowing you to start and end in the same location. Examples include the challenging La Nevera de Neberondo – Neverondo Ice House loop from Durango and the scenic Reservoir – Crossing loop from Lemoa.
Urdaibai offers numerous scenic viewpoints. You can enjoy breathtaking vistas from San Pedro de Atxarre or experience panoramic views from Talaia (276 m). Many routes also provide stunning views over the Urdaibai marsh, a key feature of the Biosphere Reserve.
Beyond the natural beauty, you can explore cultural and historical sites. Highlights include the Artzubi Bridge, the iconic Guernica Mural in Gernika, and the picturesque Santa Catalina Hermitage and Mundaka Harbor. Nature lovers might also enjoy the unique Oma Forest.
Given that most routes in Urdaibai are classified as difficult and involve significant elevation changes, the region is generally more suited for experienced adult riders. There are a few moderate routes, but truly easy or beginner-friendly options for families with young children are limited.
Over 150 gravel bikers have explored Urdaibai using komoot. Riders frequently praise the region's diverse terrain, which includes estuary paths, coastal views, and challenging hilly sections. The natural environment within the UNESCO Biosphere Reserve is also a major draw, offering scenic rides through varied landscapes.
The best season for gravel biking in Urdaibai is typically spring and autumn when temperatures are milder and the natural scenery is vibrant. Summers can be warm, especially in inland areas, while winters can bring cooler, wetter conditions, making some trails muddy or slippery. Always check local weather forecasts before heading out.
Urdaibai has a regional public transport network, including Euskotren services that connect towns like Gernika-Lumo and Bermeo within the reserve. Some routes, particularly those starting from larger towns like Durango or Lemoa, may be accessible via public transport, though direct access to trailheads can vary. It's advisable to check specific route starting points and local transport schedules.
Parking is generally available in the towns and villages that serve as starting points for many routes, such as Durango, Lemoa, and other communities around the Urdaibai estuary. Look for designated public parking areas, especially near train stations or town centers. Always ensure you park responsibly and check for any local restrictions.


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