5.0
(2)
56
riders
10
rides
Gravel biking in Saja-Besaya offers diverse terrain within Cantabria's largest protected area. The region is characterized by extensive deciduous forests, deep river valleys carved by the Saja and Besaya rivers, and varied mountainous terrain with altitudes ranging from approximately 200 meters to over 2,000 meters. Routes often incorporate a mix of hardpack roads and 4x4 tracks, providing varied surfaces for gravel cyclists. This landscape provides options from valley rides to challenging climbs through dense woodlands and high-altitude pastures.
Last updated: August 19, 2026
2
riders
30.7km
02:14
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
45.7km
03:27
840m
840m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
37.1km
02:42
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
30.9km
02:04
340m
340m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
2
riders
44.7km
03:30
790m
790m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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The Plaza de España in Reinosa is, like in so many others, a meeting place and a venue for celebrations. Don't miss visiting it and, if you have time, relaxing on one of its terraces trying some of the local tapas.
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A cozy restaurant with a pleasant atmosphere and excellent service. We had a wonderful meal and rest. Dish of the day (red bean stew) €8, beer €2.20.
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Officially, it's the source of the Ebro River, in Fontibre. However, according to what we were told at the tourist office, the waters of the spring pools come underground from the Hijar River, which rises in Alto Campoo. Specifically, in Tresmares, where the Hijar-Ebro begins, flowing into the Mediterranean; the Pisuerga (a tributary of the Duero) flows into the Atlantic; and the Nansa flows into the Cantabrian Sea.
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Interesting to visit, if you are in the area.
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On a hill, and guarding the road that linked the coast with Castilla through the Saja Valley, is the Castillo de San Vicente, in Argüeso, within the municipality of the Brotherhood of Campoo de Suso, in the South from Cantabria (Spain). Built during the 13th, 14th and 15th centuries, it was the emblem and fortress of the dominion of the House of Mendoza in the highlands of Campoo.
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Fontibre is a small town in the Brotherhood of Suso, just 5 km from Reinosa. Beautiful town and place, where the source of the Ebro River is traditionally located. In fact, the name Fontibre refers to the source of the Ebro, as it derives from the Latin Fontes Iberis ("sources of the Ebro") and is already cited by Pliny the Elder when he mentioned it. It is located near the Roman city of Julióbriga. It doesn't matter when you visit, or at the time of year, because you will always appreciate and enjoy this little walk through the place.
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Beautiful 12th century church and an example of Romanesque-style religious architecture in southern Cantabria. The church is listed as an Asset of Cultural Interest. Inside it has a small interactive museum.
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Located between high mountains far from the sea, the fascinating thing about this city is that it dates back to the Middle Ages, with an old town with interesting monuments to visit. The structure that stands out the most is the church of San Sebastián in the old center of the city. Furthermore, in the Town Hall Square you can see a set of ashlar buildings, built in the 16th and 17th centuries. Don't forget to try the city's most typical sweet, calf, which is a puff pastry with caramelized sugar.
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There are currently 6 challenging traffic-free gravel bike trails available in Saja-Besaya. These routes are designed to offer a robust experience away from vehicle traffic, focusing on the natural beauty of the region.
The no-traffic gravel trails in Saja-Besaya feature a diverse range of terrain. You'll encounter extensive deciduous forests, deep river valleys, and varied mountainous landscapes. Expect a mix of hardpack roads, 4x4 tracks, and even some converted railway lines, offering significant elevation gains and requiring good fitness.
Yes, many of the no-traffic gravel routes in Saja-Besaya are circular, allowing you to start and finish at the same point. For example, the Historic Center of Reinosa – Cruz de Fuentes loop from Reinosa offers a substantial circular ride through the landscape.
Saja-Besaya's trails offer access to stunning natural features. You might pass through vast oak and beech groves, witness the deep valleys carved by the Saja and Besaya rivers, or enjoy panoramic views from high-altitude pastures. Specific highlights include the El Moral Plateau for its vistas, or the tranquil Pool area in the Argonza River.
While Saja-Besaya is beautiful year-round, autumn is particularly spectacular for gravel biking. The extensive deciduous forests, including oak and beech groves, transform into a vibrant display of colors, making for a truly memorable riding experience.
The gravel trails listed for Saja-Besaya are generally rated as 'difficult' due to significant elevation gains and distances, making them more suitable for experienced riders. For families, it's advisable to look for shorter, flatter sections or dedicated cycling paths outside of these specific challenging routes.
Saja-Besaya Natural Park is generally dog-friendly, but specific rules may apply to protected areas or certain trails. It's always best to keep dogs on a leash, especially given the presence of diverse wildlife like deer, wild boar, and even occasional Cantabrian brown bears. Ensure your dog is fit enough for the challenging terrain and distances.
Parking is typically available in or near the towns that serve as starting points for these routes. For example, routes like the Historic Center of Reinosa – Palombera Pass loop from Reinosa would likely have parking options within Reinosa or its immediate vicinity.
Saja-Besaya is rich in wildlife. While gravel biking, you might spot deer, roe deer, and wild boar. The park is also home to wolves, chamois, and various birds of prey like golden eagles and griffon vultures. Keep an eye out, especially during dawn or dusk, for these fascinating creatures.
The komoot community highly rates the Saja-Besaya region for its gravel biking, with an average score of 5.0 stars. Riders frequently praise the immersive experience of cycling through vast, quiet forests and the challenging yet rewarding climbs that offer incredible views away from any traffic.
Yes, the region is home to charming traditional villages. Bárcena Mayor, a historic-artistic site within the park, is one of Cantabria's oldest villages, known for its traditional mountain architecture. While not directly on every route, it's a significant point of interest in the area.
All the no-traffic gravel bike trails listed for Saja-Besaya are classified as 'difficult'. They involve significant distances and considerable elevation gains, often exceeding 600 meters of ascent per route. Riders should have very good fitness and advanced riding skills to comfortably tackle these trails.


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