3.7
(7)
194
riders
19
rides
Mountain biking around National Park Valderejo is characterized by its diverse landscapes, featuring an elliptical-shaped valley surrounded by steep limestone walls and rocky cliffs. The Purón River Gorge offers scenic routes through limestone canyons and shaded woodland, while extensive oak woodlands and upland pastures define other areas. The park's topography includes both flat valley sections and challenging mountain ascents, providing varied terrain for cyclists.
Last updated: October 29, 2026
8
riders
27.6km
02:58
740m
740m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
2
riders
Moderate mountain bike ride. Good fitness required.

48.8km
04:42
930m
930m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
11
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(1)
12
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The bridge is a destination for excursions
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If you are in Tobera and Frías, you cannot miss visiting the hermitage of Santa María de la Hoz and the medieval bridge over the Molinar river. The temple is from the 13th century, features both Romanesque and Gothic elements, and has a portico with arches that offers good views of the surroundings. At its feet stands a second, tiny hermitage, from a later date – the 17th century – which houses an altar dedicated to Cristo de los Remedios.
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Built to span the Ebro River, this stone bridge is an impressive 143 meters long and features nine arches. The central section boasts a slender defensive tower, adorned with battlements and arrow slits, added in the 14th century. In medieval times, passage was controlled from this tower: anyone wishing to cross the bridge had to pay a toll of a few maravedís. The bridge offers one of the best views of the city of Frías.
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The Castle of the Dukes of Frías was declared a Site of Cultural Interest on April 22, 1949. It is situated on a rocky promontory overlooking the town and almost the entire Tobalina Valley. The oldest surviving remains date from the late 12th and early 13th centuries, but most of what remains is from the 15th century. Visitors can explore the large parade ground, part of the curtain wall, and the rampart walk, and climb the keep. Opening hours are daily from 10:30 a.m. to 2:00 p.m. and from 4:00 p.m. to 7:30 p.m., and the entrance fee is €2.
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Several waterfalls and areas to see in Tobera
1
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Beautiful medieval bridge over the Ebro River with views of Frias Castle
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One of the most beautiful bridges I know.
1
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There are over 14 mountain bike routes available in National Park Valderejo, offering a range of experiences from moderate to difficult. The park's diverse landscapes, from flat valley sections to challenging mountain ascents, cater to various skill levels.
Mountain biking in National Park Valderejo ranges from moderate to difficult. The park features 11 moderate routes and 3 difficult routes. Moderate trails are suitable for those with good fitness, while difficult routes, like the Purón River Gorge – San Lorenzo Hermitage loop from Herrán, require very good fitness and advanced riding skills due to significant elevation changes.
While the park primarily features moderate to difficult trails, some routes offer less strenuous sections. The Santa Ana Trail loop from San Millán de San Zadornil is a moderate option that requires good fitness but is generally suitable for a wider range of skill levels, making it a good choice for families with some biking experience.
The trails in Valderejo offer stunning natural sights. You can ride through the scenic Purón River Gorge, known for its limestone canyons and shaded woodland, where you might spot waterfalls and cascades. The park also features extensive oak woodlands, upland pastures, and rocky cliffs, providing diverse scenery.
Yes, beyond its natural beauty, Valderejo has historical points of interest. You can encounter abandoned villages like Ribera and historic farmsteads. The San Lorenzo Hermitage is also a notable attraction, offering excellent views from its singular location.
Yes, many of the mountain bike routes in Valderejo are designed as loops. Examples include the challenging Tres Altos — circular desde Villaluenga, which offers expansive views, and the moderate Frías Medieval Bridge – Frías Castle loop.
Valderejo is an excellent destination for mountain biking through much of the year. The diverse terrain, from canyon corridors to open ridges, offers varied experiences. It's always advisable to check local weather conditions before heading out, especially during extreme heat or potential winter snowfall in higher elevations.
Absolutely. Valderejo is an ecological transition zone, supporting diverse flora and fauna. It's particularly known for hosting the largest colony of Griffon vultures in the Basque Country. Keep an eye on the cliffs for these majestic birds, and you might also spot other wildlife in the oak woodlands and remote valleys.
The area is highly rated by the komoot community, with an average score of 3.5 stars. Mountain bikers often praise the diverse landscapes, from the dramatic Purón River Gorge to the tranquil oak woodlands, and the variety of routes that cater to different skill levels.
Yes, the park is well-equipped for visitors. There are designated parking areas, and the Valderejo-Añana mountain bike center serves as a hub, providing access to over 120 km of trails. It's recommended to check specific starting points for routes for the most convenient parking options.
National Park Valderejo is generally dog-friendly, but it's important to keep dogs under control, preferably on a leash, to protect wildlife and ensure the safety of other trail users. Always follow park regulations regarding pets.
While the park itself is a natural area, there are small villages and towns in the vicinity of Valderejo where you can find local cafes and restaurants to refuel after your ride. These establishments often offer traditional Basque cuisine and a welcoming atmosphere.


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