4.5
(27)
295
riders
23
rides
Gravel biking around Embalse de Gorostitza offers routes through a green landscape nestled between the Salsiburu and Argalario mountains in Spain's Basque Country. The area features natural pathways around the reservoir and through the surrounding hills, fed by the Castaños river. This environment provides a suitable setting for no traffic gravel bike trails, characterized by varied terrain and natural scenery. The reservoir itself spans thirty hectares, offering a peaceful backdrop for outdoor activities.
Last updated: July 12, 2026
9
riders
49.4km
03:54
960m
960m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(14)
91
riders
48.4km
02:54
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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18
riders
43.0km
03:27
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
25.4km
02:00
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
54.1km
03:59
1,230m
1,230m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Embalse de Gorostitza
Nice to drive and there are also some drinking water points
0
0
Bridge on the cycle superhighway over the motorway junction, for cyclists and pedestrians
1
0
Already pretty much at the end/beginning of the railway line, here it is even asphalted, before/later not anymore, but always easy to ride.
1
0
Short and easy quiet route
0
0
I dream about it sometimes. A covered bridge, a reality in Bilbao!
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0
There are 18 traffic-free gravel bike routes documented around Embalse de Gorostitza. While many are classified as difficult, there is also a moderate option for those seeking a slightly less challenging ride.
Most of the gravel bike routes around Embalse de Gorostitza are rated as difficult, featuring significant elevation changes and longer distances. However, there is at least one moderate route, such as the Azkorri Beach View – View of La Galea Cliffs loop from Leioa, which offers a good option for those looking for a less strenuous ride.
Yes, many of the routes are designed as loops, allowing you to start and end at the same point without retracing your steps. For example, the challenging Path to Regato – Pico del Pirulí loop from Bagatza is a great circular option.
The trails wind through a green landscape, often offering views of the Embalse de Gorostitza reservoir itself, which spans thirty hectares. You'll be cycling between the Salsiburu and Argalario mountains, with opportunities to observe various bird species like robins, wrens, and even cormorants in winter. Some routes, like the Azkorri Beach View – View of La Galea Cliffs loop from Leioa, also extend to coastal views.
While many routes are rated difficult, the region's pedestrian walkway along the reservoir's right bank suggests areas with minimal elevation and traffic, which could be suitable for families. For a dedicated gravel route, consider the moderate Azkorri Beach View – View of La Galea Cliffs loop from Leioa, which is shorter and has less climbing than the difficult options.
The komoot community rates the routes around Embalse de Gorostitza highly, with an average score of 4.11 stars. Riders often appreciate the natural setting, the challenge of the terrain, and the opportunity to explore the Basque Country's landscapes away from vehicle traffic.
Yes, some routes provide panoramic views of the surrounding areas, including the city of Bilbao. The Arraizmedi Periurban Park – Bilbao view loop from Deustu is specifically designed to offer impressive vistas of the city.
The region experiences a mild climate, making it suitable for gravel biking for much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery. Winter can also be an option, especially for birdwatching, but be prepared for cooler, potentially wetter conditions.
Absolutely. For experienced riders seeking a significant challenge, routes like the Alto de Humaran – A & C Tunnel Entrance loop from Sestao cover over 54 kilometers with substantial elevation gain, offering a full day of demanding gravel biking.
Yes, the area provides opportunities to cycle with views of the estuary. The Views of the Bilbao estuary – Pico La Cruz loop from Ametzola is an excellent choice for riders who want to combine natural landscapes with coastal and urban perspectives.


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