Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
4.5
(188)
1,358
hikers
38
hikes
Bus station hiking trails in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri are set around the region's largest reservoir, which features expansive waters and protected wetlands. The landscape includes three notable islands within the reservoir and is framed by the Basque Mountains, offering diverse views. Trails often incorporate pedestrian and cycle bridges, as well as wooden walkways along the shore. The area is characterized by its reservoir environment, surrounding hills, and dedicated ornithological parks.
Last updated: May 13, 2026
4.3
(3)
26
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
2
hikers
9.86km
02:34
70m
70m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.0
(1)
8
hikers
15.3km
04:29
410m
410m
Hike the 9.5-mile (15.3 km) moderate Castillo de Gebara loop in Montes de Aldaia, exploring castle ruins, Aldaia summit, and panoramic views
1.0
(2)
11
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
14.7km
04:15
350m
350m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Garaio to Gamboa floating walkway
1
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Beautiful views. Be careful if you're fishing on the bridge; it's very narrow and you could fall hard.
0
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A long, non-floating bridge that spans the swamp from side to side. During the day, many fishermen
2
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Good place to stop.
0
0
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...
1
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You get there via the canal from Oreitia. Good grips
3
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Obligatory road bike route to Landa
4
0
There are over 40 hiking trails in the Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri region that are accessible from bus stations. These routes offer a variety of experiences around the reservoir and its surrounding natural areas.
Yes, the region offers several easy trails perfect for beginners or those looking for a shorter, less strenuous walk. Many paths around the reservoir are relatively flat and well-maintained. For example, the area around Garaio Provincial Park features signposted trekking paths suitable for easy outings.
Absolutely. Many trails in the area are circular, allowing you to return to your starting point without retracing your steps. A notable option is the Garaio Footbridge – Azua Footbridge loop from Mendixur, which offers a moderate 13.6 km circuit around a section of the reservoir.
Many trails around the Ullíbarri-Gamboa Reservoir are dog-friendly, allowing you to enjoy the natural beauty with your canine companion. It's always recommended to keep dogs on a leash, especially in protected areas or near wildlife, and to check local regulations for specific sections of the trails.
The trails offer diverse scenery, including the expansive Ullíbarri-Gamboa Reservoir itself, extensive wetlands, and views of the Basque Mountains like Aizkorri and Aratz. You might also encounter the Mendijur Ornithological Park, which is excellent for birdwatching, and the unique pedestrian and cycle bridge crossing the reservoir. The area also features recreational zones like Landa and Garaio with Blue Flag-certified beaches.
Spring and autumn are generally ideal for hiking in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri, offering pleasant temperatures and vibrant landscapes. Spring brings blooming flora, while autumn showcases beautiful fall colors. Summer is also popular, especially for combining hikes with water activities at the reservoir's beaches, though it can be warmer. Winter offers a quieter experience, but some paths might be muddy.
Yes, the region is a significant birdwatching site. The Mendixur Ornithological Park loop from Mendixur is an excellent choice, as it takes you directly through a dedicated birdwatching area with adapted paths and observatories. The wetlands at the southeastern end of the reservoir are particularly rich in birdlife, including the largest colony of imperial heron in the Basque Country.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the well-maintained paths, the stunning views of the reservoir, the tranquility of the natural surroundings, and the accessibility of many routes for various fitness levels. The combination of water, forest, and open landscapes is frequently highlighted.
Yes, several trails offer access to incredible panoramic viewpoints around the Embalse de Ullíbarri-Gamboa. The Alto de Urbina is particularly noted for its beautiful vistas, especially at dawn. Many routes around the reservoir's perimeter provide elevated sections with expansive views of the water and surrounding mountains.
For those seeking a more challenging experience, there are moderate to difficult routes available. The Gebara Castle and Aldaia Mountains Loop, for instance, is a moderate 15.2 km hike with significant elevation gain, offering historical interest and mountain views. Another option is the Gebara Castle – Aldaia loop from Maturana, also a moderate 14.7 km route with similar elevation.
Absolutely! The Ullibarri-Gamboa Reservoir is a popular recreational area. The Landa and Garaio areas, accessible from various trails, feature Blue Flag-certified beaches (Landa, Moskurio, and Salurriaga) perfect for swimming. You'll also find picnic areas and bars, making it easy to combine your hike with a refreshing dip or a relaxing meal by the water.
Yes, many of the easier and shorter routes around the reservoir are ideal for families with children. The flat paths and recreational areas like Garaio Provincial Park offer a safe and enjoyable environment for younger hikers. The presence of beaches and picnic spots also adds to the family-friendly appeal.


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