4.5
(2)
21
riders
4
rides
Gravel biking around Valle De Losa offers routes through varied terrain characterized by significant elevation changes and natural landscapes. The region features trails that ascend towards areas like Sierra Arcena and pass by reservoirs and historical structures. Gravel bike trails in Valle De Losa often involve climbs and descents, providing a challenging experience for riders. The landscape includes open areas and routes that connect different villages and viewpoints.
Last updated: July 2, 2026
4.5
(2)
4
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
31.2km
02:51
800m
800m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
52.7km
04:04
890m
890m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
34.5km
02:32
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The city of Frías, declared a Site of Cultural Interest in 2005, a medieval town in Las Merindades Burgalesas. In this town we can see the hanging houses, the Castle of Frías, the church of San Vicente Mártir, the Wall, the medieval bridge, convent of San Francisco, the church of San Vítores, the washhouse and the convent of Vadillo.
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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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Beautiful medieval bridge over the Ebro River with views of Frias Castle
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One of the most beautiful bridges I know.
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Impressive on the outside, but no less so on the inside.
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Mikel Landa's training ground. The climb to La Barrerilla from Orduña is beautiful, offering a natural view of the Orduña Valley.
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One of the most beautiful bridges in Spain
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Gravel biking in Valle De Losa is characterized by significant elevation changes and varied terrain, making most routes challenging. The region features trails with substantial ascents and descents, providing a demanding experience for riders. Out of the 5 routes listed, 3 are rated as difficult.
While many routes in Valle De Losa feature significant elevation gain and are rated as difficult, the region does offer options for different ability levels. For a slightly less demanding, yet still challenging, experience, consider routes like the Ascent to Sierra Arcena loop from Villanañe, which is 18.7 miles (30.1 km) with 644 meters of ascent.
Gravel bike trails in Valle De Losa typically range from around 12.7 miles (20.4 km) to 32.7 miles (52.7 km). For example, the Ribera, Church of San Esteban loop from Valderejoko parke naturala is 12.7 miles (20.4 km), while the La Barrerilla Pass – Salto del Nervión Viewpoint loop from Amurrio is 32.7 miles (52.7 km).
The best time for gravel biking in Valle De Losa is generally during spring and autumn when temperatures are milder and the natural landscapes are vibrant. Summer can be hot, especially on exposed sections, while winter may bring colder temperatures and potential for snow at higher elevations, making conditions more challenging.
Yes, all the featured gravel bike routes in Valle De Losa are circular, allowing you to start and end at the same point. Examples include the Torre de los Varona loop from Villanueva de Valdegovía and the Maroño Reservoir loop from Amurrio.
Valle De Losa's gravel trails often pass through diverse natural landscapes. You can encounter impressive viewpoints like the Nervión Waterfall, explore the Purón River Gorge, or enjoy views of the Pico del Fraile. The region is rich in natural monuments and waterfalls.
Yes, the region is known for its waterfalls. The La Barrerilla Pass – Salto del Nervión Viewpoint loop from Amurrio leads towards the impressive Nervión Waterfall. Other notable water features include the Nervión River and the Delika Canyon Waterfalls.
The komoot community highly rates the gravel biking experience in Valle De Losa, with an average score of 4.75 stars from 3 reviews. Riders often praise the challenging ascents, varied landscapes including reservoirs and passes, and the routes connecting rural areas, providing a rewarding outdoor adventure.
Popular starting points for gravel bike routes in Valle De Losa include Villanañe, Villanueva de Valdegovía, and Amurrio. These villages offer access to various loops that explore different parts of the region's diverse terrain.
There are 5 gravel bike trails detailed for Valle De Losa, offering a range of challenging experiences through the region's varied landscapes.
Yes, some routes incorporate historical elements. For instance, the Torre de los Varona loop from Villanueva de Valdegovía passes by the notable Torre de los Varona, offering a glimpse into the region's heritage amidst the natural scenery.


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