Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
4.5
(27)
332
riders
14
rides
Gravel biking in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri offers diverse landscapes centered around the Ullibarri-Gamboa Reservoir, the largest in the Basque Country. The terrain is characterized by serene waterscapes, rich biodiversity, and a general absence of steep slopes, making it accessible for various fitness levels. Routes often incorporate dirt and stone tracks, providing an authentic gravel biking experience through areas like provincial parks and past significant footbridges. The region features a blend of open water, wetlands, pasture, and…
Last updated: May 29, 2026
4.7
(3)
73
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
37
riders
103km
07:58
1,090m
1,090m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.5
(2)
19
riders
31.3km
02:12
350m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
41.9km
03:04
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(13)
85
riders
36.1km
02:25
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Beautiful views. Be careful if you're fishing on the bridge; it's very narrow and you could fall hard.
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A long, non-floating bridge that spans the swamp from side to side. During the day, many fishermen
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Good area for walking or cycling
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Within the path surrounding the Ullibarri Ganboa reservoir, there is this very peculiar footbridge that crosses the water, offering a totally different view from any other you can see surrounding a reservoir...
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When they release the water it is spectacular
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There are over 15 dedicated no-traffic gravel bike routes in the Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri region, offering a variety of distances and difficulty levels to explore the reservoir and its surroundings.
The region is excellent for gravel biking throughout much of the year due to its generally mild climate. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer is also popular, especially if you plan to combine your ride with a swim at one of the Blue Flag beaches in Garaio or Landa Provincial Parks. Even winter can be suitable, as the terrain generally lacks steep slopes, making it accessible, though checking weather conditions is always advisable.
Yes, the Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri region is known for its accessible terrain with a general absence of steep slopes, making it ideal for families. Many routes around the reservoir are well-signposted and offer shorter options, such as a 13 km or 32 km loop, perfect for a leisurely family outing. The provincial parks also provide picnic spots and playgrounds.
Yes, bicycle rental services are conveniently available at the entrance of the reservoir, specifically in Garaio. This makes it easy to access the trails even if you don't bring your own bike.
The gravel trails around Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri primarily feature dirt and stone tracks. The terrain is generally flat or gently rolling, with a notable absence of steep climbs, making it enjoyable for a wide range of cyclists. You'll find a mix of open water views, wooded shores, and wetland areas.
Absolutely! The region is rich in natural beauty and interesting features. You'll cycle past the expansive Ullibarri-Gamboa Reservoir itself, the largest in the Basque Country. Keep an eye out for the Mendixur Ornithological Park, a haven for birdwatching. You'll also cross iconic structures like the Zadorra and Azua footbridges, which offer unique perspectives over the water. The routes often pass through Garaio and Landa Provincial Parks, known for their recreational facilities and Blue Flag beaches.
Yes, for experienced riders seeking a longer challenge, routes like the Azua Footbridge – View of the Zadorra River loop from Alegría-Dulantzi offer over 100 km of riding with a more significant elevation gain, providing a demanding yet rewarding experience through diverse landscapes.
The trails range from moderate to difficult. While many routes are accessible and feature gentle gradients, some, like the Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Mendixur, are classified as moderate, offering a good balance of distance and manageable terrain. More challenging options are also available for those seeking a longer ride.
Yes, circular routes are a highlight of gravel biking in this area. A popular itinerary circumnavigates the reservoir, with options like a 45 km loop. You can also find routes such as the Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Landa, which offers a scenic 36 km circular ride.
The area is highly rated by the komoot community, with an average score of 4.55 out of 5 stars. Reviewers often praise the serene waterscapes, the well-maintained dirt and stone tracks, and the overall peaceful, traffic-free experience that allows for immersive exploration of the natural surroundings.
Vitoria-Gasteiz, known as a 'city of the bike,' connects to the reservoir area via cycling lanes, making it accessible for cyclists who might use public transport to reach Vitoria-Gasteiz first. Specific public transport options directly to trailheads might vary, so it's best to check local services.
Yes, the provincial parks, such as Garaio and Landa, are equipped with recreational areas that often include facilities. Additionally, the towns and villages surrounding the reservoir will have options for cafes and restaurants to refuel after your ride.


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