4.8
(22)
437
riders
39
rides
Touring cycling in Sierra De Híjar offers a diverse landscape within the Cantabrian Mountains System in northern Spain. This region features rugged mountainous terrain with peaks exceeding 2,000 meters, alongside rich deciduous forests of beech and oak, particularly on its northern slopes. The sierra is also characterized by significant hydrological features, including the Pico Tres Mares, which gives rise to rivers flowing into three different seas, and glacial cirques. These varied natural elements provide a range of scenic routes for…
Last updated: October 15, 2026
28
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces.
5.0
(1)
11
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces.

9
riders
66.1km
04:18
860m
860m
Hard bike ride. Very good fitness required. Mostly paved surfaces.
4.5
(4)
5
riders
24.8km
01:35
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
12
riders
21.8km
01:26
150m
150m
Easy bike ride. Mostly paved surfaces.
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Here is the "official" source of the Ebro, even though it was proven about 40 years ago that only the water of the Rio Hijar, which seeps away at Paracuelles, re-emerges here. Strictly speaking, it is a karst spring. Not far below the spring, the Ebro is dammed by a small weir, creating a beautiful little pond here, which is obviously also popular with ducks. The circular path around the pond from the spring to the weir is only a few hundred meters long walk, a large visitor car park is directly above, so you don't have to make a long hike to visit - but you can, of course, also start the GR99 here and walk to the Mediterranean...
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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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At the foot of the road you begin to see the water from the Ebro reservoir
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We set out with the hope of ascending to the summit of Tresmares, where the Hijar-Ebro River begins and flows into the Mediterranean, the Pisuerga River (a tributary of the Duero River) flows into the Atlantic, and the Nansa River flows into the Cantabrian Sea. But a thick, damp fog covering the landscape forced us to give up and head back down the same way we came up. The road is partially covered by a bike lane and very little traffic. A steady climb of around 10%. Absolutely recommended. A few years ago, the Alto Campoo pass was the final stage of La Vuelta a España.
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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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The visit to the neighborhoods of San Pedro and Santa María is worth it for the heritage and landscapes but it has a price on the legs, you have to climb Monte de la Ruya again to connect with the main itinerary and overcome the infernal slope that We saw before the detour, which also has a trap because after a short descent there is another similar section to a hill, the prize is fantastic views of the Palentina Mountain. The road enters the meadows and mountains of La Ojeda again and there is a fun stretch, climbing the GPS average for several kilometers until Dehesa de Montejo, where the detour for the Perazancas variant comes out on the left. The route continues to the right, crosses the Cervera de Pisuerga road and climbs the slope of Peña Umoma to a hill that finally marks the entrance to the Pisuerga valley through the beautiful valley of Valdeados. The descent ends in Vado, it is noon, time for a snack but there is no bar or grocery store. Cervera is three kilometers away but it is the place where we plan to finish the stage and we decided to continue and spend the afternoon with the energy bars. The path continues along the charming bank of the Pisuerga River, favorable terrain, river landscape, good climate and change of environment. On the route there are yellow arrows of the Camino Olvidado or Camino de la Montaña, a Camino de Santiago very popular in the 12th and 13th centuries, starting from Bilbao, running along the southern slope of the Cantabrian Mountains and connecting with the Camino Francés in El Bierzo. In Barcenilla de Pisuerga, the milestones of the Natural Trail cross the Pisuerga River via a pedestrian walkway and change course, beginning the climb through the Mudá valley until the connection with the GR-1. The climb begins in Rueda de Pisuerga, the route passes by the church of San Cristóbal, which preserves the Romanesque doorway from the 12th century, and continues through Vallespinoso de Cervera to San Cebrián de Mudá, a town with a mining tradition and the last town on the Natural Trail of the Palentine Romanesque. In the square there are some wagons from the mining era, when the Cok Coal Route was the main economic channel of the valley. The church of San Cornelio and San Cipriano is on a hill, is Romanesque from the 13th century and was declared a Site of Cultural Interest in 1993. The climb to the Historical Trail passes through the European Bison Interpretation Center, runs through a mountain oak grove and ends at a small hill below the imposing Valdecebollas (2,143 m), entrance to the La Pernía valley and the upper Pisuerga. The views are stunning. The end of the stage is Cervera de Pisuerga, with accommodation, camping and complete services. The final stretch to complete a great day of gravel cycling continues through the Castillería valley and at the Estalaya crossroads, where the climb to the Verdeña Fossil Forest is, a path leaves on the left that leads to Vañes off the road. In this section it is important to have the track downloaded because there are no milestones on the route. You must continue along the road for about 500 meters towards Cervera and at the fork of the road take a detour to the left towards Rabanal de los Caballeros and Valdasornín. The rest of the way follows the road that goes down to the urban complex of Cervera de Pisuerga.
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Interesting to visit, if you are in the area.
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Sierra De Híjar offers a diverse landscape, ranging from rugged mountainous terrain with peaks exceeding 2,000 meters to rich deciduous forests, particularly on its northern slopes. You'll encounter challenging ascents and rewarding panoramic views, as well as routes through beech and oak forests. The region also features significant hydrological elements, including river valleys and glacial cirques, providing varied scenic routes.
Yes, while many routes in Sierra De Híjar are classified as difficult, there are options for easier rides. For example, the Source of the Ebro River – Historic Center of Reinosa loop from Espinilla is an easy 13.6-mile (21.9 km) route. Overall, komoot lists 2 easy and 6 moderate touring cycling routes in the area, alongside 29 difficult ones, ensuring options for various skill levels.
The Sierra De Híjar is rich in natural beauty and points of interest. You can cycle past the source of the Ebro River, visit the Peña Labra plateau for great views, or explore areas with glacial cirques like Hoyo Sacro. The region is also known for its diverse forests and the Pico Tres Mares, where rivers flow to three different seas. Keep an eye out for waterfalls on the Río Híjar.
The diverse climate of Sierra De Híjar, transitioning between Mediterranean and Eurosiberian regions, means conditions can vary. Generally, spring and autumn offer pleasant temperatures and vibrant scenery, with rich deciduous forests providing cooler temperatures. Summer can be warm, especially at lower elevations, while higher peaks might offer cooler air. Winter cycling is possible but requires appropriate gear due to potential snow and colder conditions, especially at higher altitudes.
Yes, many of the touring cycling routes in Sierra De Híjar are designed as loops, allowing you to start and end in the same location. Examples include the Brañavieja – Source of the Ebro River loop from Estación de Esquí y Montaña Alto Campoo and the Source of the Ebro River – Historic Center of Reinosa loop from Hermandad de Campoo de Suso. These circular routes are convenient for exploration without needing return transport.
While many routes are classified as difficult, there are easier options that could be suitable for families, especially those with some cycling experience. The 2 easy routes and 6 moderate routes available provide less challenging terrain. For instance, the Source of the Ebro River – Historic Center of Reinosa loop from Espinilla is an easy route that might be a good starting point for a family outing.
The touring cycling routes in Sierra De Híjar are highly rated by the komoot community, with an average score of 4.8 stars from over 10 reviews. Cyclists often praise the stunning views from the mountainous terrain, the serene experience of riding through rich deciduous forests, and the unique hydrological features like the source of the Ebro River. The variety of routes, from challenging ascents to more accessible paths, is also frequently highlighted.
Yes, the Sierra De Híjar is known for its diverse habitats, including caducifolious forests and high-altitude pastures. These areas are home to various wildlife. The region is particularly notable for being part of the habitat for bears on the eastern limit of their Cantabrian Mountain range populations. Keep an eye out for local fauna, especially in quieter forested sections.
The region offers various access points to its network of paths and forest tracks. Many routes start from villages or specific points like Estación de Esquí y Montaña Alto Campoo or Hermandad de Campoo de Suso, where parking facilities are typically available. For routes leading to spots like Refugio de Golobar, paved roads with little traffic often lead to suitable parking areas near trailheads.
Yes, the surrounding areas of Sierra De Híjar feature picturesque villages that offer cultural richness and local hospitality. Barruelo de Santullán is mentioned as an excellent starting point for excursions into the sierra. The Source of the Ebro River – Historic Center of Reinosa loop from Hermandad de Campoo de Suso specifically connects to the historic center of Reinosa, providing an opportunity to explore a town during your ride.
Touring cycling in Sierra De Híjar is predominantly challenging, with 29 out of 37 routes classified as difficult. These routes often feature significant elevation gains, such as the Brañavieja – Source of the Ebro River loop from Estación de Esquí y Montaña Alto Campoo with over 800 meters of ascent. However, there are also 2 easy and 6 moderate routes available for those seeking less strenuous options.
Yes, some routes incorporate significant hydrological features beyond just rivers. For example, the Aguilar de Campoo Dam – Aguilar Reservoir loop from Brañosera is a challenging 41-mile (66.1 km) route that takes you around the Aguilar Reservoir and past the dam, offering unique scenery and a different kind of touring experience.


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