4.8
(23)
415
riders
28
rides
Gravel biking around Alto Deba offers diverse terrain across the geographical center of the Basque Country. The region is characterized by green mountains and valleys, providing varied landscapes for exploration. Routes often traverse natural features such as the Urkulu Dam and sections of Vías Verdes, which are traffic-free paths ideal for gravel cycling. The area presents a mix of challenging climbs and scenic trails through its verdant interior.
Last updated: May 27, 2026
4.7
(3)
73
riders
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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5.0
(6)
86
riders
40.5km
02:27
150m
150m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
26
riders
32.5km
02:27
710m
710m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
25
riders
33.6km
02:36
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
50.7km
03:42
1,150m
1,150m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
34.4km
02:03
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
35.0km
02:21
720m
720m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
40.9km
02:56
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
33.3km
02:17
750m
750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Beautiful views. Be careful if you're fishing on the bridge; it's very narrow and you could fall hard.
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0
A long, non-floating bridge that spans the swamp from side to side. During the day, many fishermen
2
0
No longer active today
2
0
Good area for walking or cycling
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...
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Alto Deba offers a wide selection of gravel bike trails, with over 40 routes available. These range from moderate loops suitable for a relaxed ride to more challenging paths with significant elevation gain for experienced riders.
The gravel biking routes in Alto Deba are highly regarded by the komoot community, holding an average rating of 4.6 out of 5 stars from over 25 reviews. Riders often praise the diverse landscapes, from green mountains and valleys to scenic reservoir loops, and the well-maintained Vías Verdes.
Yes, Alto Deba has several routes suitable for families or those seeking an easier ride. The region features Vías Verdes (Greenways), which are traffic-free paths ideal for a pleasant cycling experience. Routes around the Urkulu Dam or the Ullibarri-Gamboa Reservoir, like the Ullibarri-Gamboa Reservoir loop from Landa, offer moderate terrain and beautiful scenery.
Alto Deba's gravel trails offer a diverse mix of terrain. You'll encounter lush green mountains and valleys, sections of dedicated Vías Verdes, and paths around reservoirs. While some routes are mostly paved, others feature unpaved segments that can be challenging, sometimes requiring you to push your bike. Expect varied surfaces, from smooth gravel to more rugged paths.
Absolutely. For experienced gravel bikers seeking a challenge, Alto Deba provides numerous difficult routes with significant elevation gain. For example, the Aixola Reservoir loop from Amaña is a demanding 16.1-mile path with substantial climbs. Another option is the Mirandaola Forge and Park – Udana Pass Ascent loop from Legazpi, which leads through green valleys and towards the Udana Pass.
Alto Deba is rich in natural beauty. You can cycle past the serene Urkulu Dam, explore routes that offer views of the Aizkorri Natural Park, or even visit the unique Eye of Aitzulo cave. The region's green mountains and valleys provide a constant scenic backdrop.
Many routes in Alto Deba offer breathtaking scenic viewpoints. You can find panoramic vistas over the Deba valley from sites like the Atxorrotx Castle Ruins. The Besaide Monument is also known for its fabulous environment and views, making it a popular spot for cyclists.
Yes, Alto Deba combines natural beauty with cultural heritage. Cyclists can visit the impressive Sanctuary of Arantzazu, nestled among mountains, or the Altar of the Virgin of Dorleta, recognized as the patron saint of cyclists. The Mirandaola Forge and Park is another historical site accessible by bike.
Many of Alto Deba's gravel routes are designed as loops, allowing you to start and end at the same point. Examples include the Garaio Footbridge – Azua Footbridge loop from Landa and the Aitzorrotz Hermitage – Urkulu Dam loop from Izurieta, which offer convenient circular journeys through varied landscapes.
Alto Deba's climate allows for gravel biking throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery, making them ideal. Summers are also popular, though some routes might be warmer. Winters can be ridden, but conditions may vary, especially in higher elevations.
While specific public transport links directly to trailheads can vary, the Alto Deba region has public transport options that can get you to towns and villages from which many routes begin. It's advisable to check local bus schedules for connections to starting points like Landa or Legazpi, which are common access points for several gravel tours.
Generally, no specific permits are required for gravel biking on public trails and Vías Verdes in Alto Deba. However, if you plan to venture into protected natural areas or private land, it's always best to check local regulations or signage for any restrictions or permit requirements.


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