Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
4.7
(29)
307
riders
19
rides
Gravel biking in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri features routes around the Ullíbarri-Gamboa Reservoir and its surrounding inlets. The terrain primarily consists of paths alongside the reservoir, offering varied surfaces suitable for gravel bikes. This region provides a mix of flat sections and gentle ascents, characteristic of reservoir-side landscapes. The area is defined by its water features and the paths that trace the shoreline and connect to nearby natural and historical points.
Last updated: November 3, 2026
5.0
(1)
37
riders
102km
07:57
1,100m
1,100m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
5.0
(1)
31
riders
141km
10:32
1,170m
1,170m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.

3.5
(2)
25
riders
31.3km
02:12
350m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4.5
(19)
105
riders
36.1km
02:25
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
5.0
(5)
102
riders
40.6km
02:27
160m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
Get access to more routes and recommendations from other explorers.
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Popular around Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Cycling in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Hiking in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
MTB Trails in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Road Cycling Routes in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Running Trails in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri
Nice experience and feeling when crossing the high footbridge over the water
0
0
Footbridge crossing the reservoir, suitable for bikes
0
0
practically into a minority tunnel is a climb with little shade
0
0
Beautiful views. Be careful if you're fishing on the bridge; it's very narrow and you could fall hard.
0
0
A long, non-floating bridge that spans the swamp from side to side. During the day, many fishermen
2
0
The gravel biking routes in this region offer a mix of challenges. Most of the 18 available routes are rated as moderate, providing a good balance for many riders. There are also 5 routes classified as difficult for those seeking a more strenuous experience.
While many routes are moderate, the terrain around the reservoir is generally accessible. For a good introduction, consider routes that stick close to the reservoir's edge, offering relatively flat sections. The Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Landa is a moderate option that might be suitable for those newer to gravel biking, covering 36.1 miles with manageable elevation.
Many routes start from villages and access points around the Ullíbarri-Gamboa Reservoir. Common starting points with potential parking include Mendixur, Alegría-Dulantzi, Argandoña, and Landa, which are often used by visitors to the reservoir and its recreational areas.
Gravel bike routes in Ullibarri Urtegiko Adarrak/Colas Del Embalse De Ullíbarri vary significantly. You can find shorter loops, such as the Sanctuary of Estibaliz – VASCO-NAVARRO GREENWAY loop from Argandoña, which is about 19.4 miles and takes around 2 hours 37 minutes. Longer, more challenging routes can extend over 60 miles and take 9 hours or more to complete.
Yes, the region offers sections suitable for families, particularly along the reservoir's paths and parts of the Vasco-Navarro Greenway. These areas often feature smoother gravel and less challenging ascents, making them enjoyable for riders of varying ages and abilities. Look for routes described as moderate with lower elevation gains.
For experienced gravel bikers seeking a challenge, the Azua Footbridge – View of the Zadorra River loop from Alegría-Dulantzi is a difficult route spanning 63.3 miles with over 1000 meters of elevation gain, offering a substantial test of endurance and skill.
Spring and autumn generally offer the most pleasant conditions for gravel biking in this region, with milder temperatures and beautiful scenery. Summer can be enjoyable, but be prepared for warmer weather, especially in open areas around the reservoir. Winter riding is possible, but trails might be wet or muddy, and temperatures will be cooler.
Yes, many of the gravel routes in the area are designed as loops, making them convenient for exploring. A popular option is the Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Mendixur, which offers a full circuit of the reservoir, covering nearly 31 miles.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 27 reviews. Reviewers often praise the scenic reservoir-side paths, the varied terrain that caters to different skill levels, and the opportunity to combine cycling with views of natural and historical points like the Vasco-Navarro Greenway.
Yes, the routes often pass by or offer views of notable landmarks. For instance, the Sanctuary of Estibaliz – VASCO-NAVARRO GREENWAY loop from Argandoña includes a section of the historic Vasco-Navarro Greenway and passes near the Sanctuary of Estibaliz, a significant religious site.
The terrain primarily consists of paths alongside the Ullíbarri-Gamboa Reservoir, offering varied surfaces suitable for gravel bikes. You can expect a mix of compacted gravel, dirt tracks, and potentially some paved sections, especially when connecting between different areas. Conditions can vary with weather, so be prepared for potential mud after rain.
The villages and towns surrounding the Ullíbarri-Gamboa Reservoir, such as Mendixur, Landa, and Alegría-Dulantzi, often have local establishments where you can find refreshments. Planning your route to pass through these areas can provide convenient stops for coffee or a snack.
Absolutely. While many routes focus on the reservoir, others venture further afield. For example, the Garaio Footbridge – Azua Footbridge loop from Alegría-Dulantzi takes you on a 41.9-mile journey that explores a wider area, offering different perspectives of the landscape surrounding the reservoir.


Browse the best Gravel rides in other regions.