4.8
(4)
27
riders
4
rides
Gravel biking in Reserva Natural De La Foz De Arbayún offers routes through a landscape defined by dramatic gorges, towering limestone cliffs, and the meandering Salazar River. The region features varied terrain, from river valleys to ancient forests, providing a diverse backdrop for exploration. These no traffic gravel bike trails traverse unpaved roads and offer views of the natural preserve's rugged features.
Last updated: May 13, 2026
4.0
(1)
6
riders
35.8km
02:32
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
13
riders
15.2km
00:56
210m
210m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
22.1km
01:48
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Reserva Natural De La Foz De Arbayún
Just after leaving the parking lot, about 300 meters away, take the detour to the left and follow the path very easily and beautifully. If you have decent binoculars, you can see some chicks in the vulture colonies, depending on the time of year, and some adults all year round. Highly recommended, short and sweet.
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It is a short but interesting walk. Going clockwise there is a possibility to swim shortly after the tunnel. The water is very cold
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Beautiful little greenway, very short, but worth enjoying!
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The Foz de Lumbier is impressive, it is worth stopping and sitting to observe the walls and the vultures.
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There is very little shade on the entire circular route, only the last, short section in the gorge has shade. In summer it can get as hot as 40 degrees Celsius and then only the section in the gorge is recommended, not the circular hike.
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This is one of the hotspots for wild and free-flying vultures. I counted 16 of them. With their wingspan of almost 3 meters, they can be easily observed with the naked eye in the Foz de Lombier gorge.
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A fantastic gorge with everything that goes with it: wild water, steep cliffs, tunnels that you can walk or drive through. It's very important to have a flashlight with you.
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There are 4 curated no-traffic gravel bike trails in Reserva Natural De La Foz De Arbayún, offering a range of experiences from moderate to difficult. These routes are designed to keep you away from vehicular traffic, allowing for a peaceful ride through the natural landscape.
The terrain in Foz de Arbayún is quite varied, featuring unpaved roads, dirt tracks, and some segments that require good fitness due to elevation changes. You'll ride through river valleys, dense forests, and along cliffside viewpoints, offering a diverse and engaging experience. The region is known for its dramatic cliffs and the meandering Salazar River, which shapes much of the landscape.
While the listed routes are rated moderate to difficult, the region does offer varied terrain. For a potentially shorter and less strenuous option, the Foz de Lumbier (Lumbier Gorge) – Lumbier Gorge loop from Lumbier is 15.3 km long and rated moderate. Always assess the specific route details and your family's fitness level before heading out.
The Reserva Natural De La Foz De Arbayún is famous for its dramatic gorge carved by the Salazar River, with vertical limestone walls reaching up to 400 meters. You'll find breathtaking views of the canyon and opportunities for birdwatching, especially griffon vultures. The Mirador de Iso (Iso viewpoint) is a notable spot for panoramic views, though some routes might offer similar vistas from different angles.
The region is generally pleasant for cycling from spring through autumn. Spring brings lush greenery and comfortable temperatures, while autumn offers beautiful foliage. Summers can be warm, but riding alongside the Salazar River can provide some relief, and in some areas, like near the Bigüezal bridge, it's possible to swim. Winters can be colder, and some routes might be affected by weather conditions, so always check forecasts.
Yes, all the no-traffic gravel bike routes listed for Reserva Natural De La Foz De Arbayún are circular. For example, you can explore the Lumbier Gorge – Foz de Lumbier (Lumbier Gorge) loop from Liédena, which is a challenging 35.8 km ride, or the moderate Iru Bide Restaurant loop from Lumbier, spanning 22.1 km.
Parking is generally available at common access points to the natural reserve and nearby towns like Lumbier or Liédena, which serve as starting points for many routes. It's advisable to check specific parking options for your chosen trailhead before you go.
The area is highly rated by the komoot community, with an average score of 4.8 stars. Reviewers often praise the stunning natural beauty, the dramatic gorge views, and the sense of immersion in nature away from traffic. The diverse terrain and rich biodiversity, including the chance to spot griffon vultures, are frequently highlighted as memorable aspects of the experience.
As a natural reserve, there are specific rules regarding pets to protect wildlife. While dogs are generally allowed on trails, they must be kept on a leash at all times to prevent disturbance to the local fauna, especially the numerous bird species and other wildlife like wild boars and deer. Always respect local signage and regulations.
While the trails themselves are in a natural, undeveloped area, you can find cafes and restaurants in the nearby towns such as Lumbier or Liédena. These towns serve as excellent starting or finishing points for your ride, where you can refuel and relax. The Iru Bide Restaurant loop from Lumbier even suggests a specific eatery in its name.
As a protected natural reserve, cyclists are expected to stay on marked trails and paths to minimize environmental impact. Respect wildlife, do not litter, and be mindful of other trail users, including hikers. Specific regulations might be posted at trailheads or visitor centers, so it's always good to check for any updates before your ride. The goal is to preserve the natural beauty and biodiversity of the Foz de Arbayún.


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