4.9
(10)
261
riders
16
rides
Mountain biking around San Miguel De Aguayo features a landscape characterized by significant elevation changes and the presence of the Alsa Reservoir. The region offers a mix of challenging climbs and descents, often traversing through varied terrain. Riders can expect routes that explore both natural and historical features, including viewpoints and old trails.
Last updated: July 1, 2026
4
riders
50.8km
05:27
1,670m
1,670m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
40
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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4.0
(1)
55
riders
52.2km
04:57
1,510m
1,510m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
10
riders
36.5km
03:23
1,020m
1,020m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
7
riders
27.5km
02:48
1,020m
1,020m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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the views over Cantabria and the north of burgos are worth the effort to go up on foot or by bike
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The Roman road known as Calzada de los Blendios connected Pisoraca (Herrera de Pisuerga, in Palencia) and Portus Blendium (Suances, in Cantabria). It was the main means of communication between the Castilian plateau and the Cantabrian coast. It runs through a mountain area and is covered by oak, chestnut and beech groves.
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The church of San Jorge, popularly known as El Partenón, is a few meters from the Palacio de los Hornillos. Built in 1890 as a chapel near his palace, it was donated by the dukes to the town of Las Fraguas to serve as a parish church. It was used during the Civil War as a prison. It is a purely neoclassical building.
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The Palacio de los Hornillos or Palacio de las Fraguas is a large estate in which two palaces are located. The oldest called Casona de las Fraguas (from the 18th century) and the largest of both, called de los Hornillos (late 19th century). It has been the setting for several movies. The Palace of the Hornillos is a private property, owned by the Duke of San Carlos, and cannot be visited. La Casona de las Fraguas is currently a catering business that organizes banquets and celebrations.
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If you are going to visit the area, the ornithological center is the first obligatory stop. It can guide you about the most interesting things around the reservoir. They tell you about the birds that populate the Ebro Reservoir and where you can observe them (more than 70 species of waterfowl). They offer you two different routes. Each itinerary will be interpreted by the Center's specialized guide service.
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The geodesic vertex of Pico Jano is located at 1,343 meters above sea level and although reaching it can be a real challenge, the views you will have will be your great reward. With good visibility you can have some beautiful postcards of the Cantabrian interior and the Mediajo reservoir that is located at the foot of the peak.
2
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A wonderful and very quiet place with a gravel track that runs next to the reservoir that is a real blast!
1
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Beautiful neighborhood of stone houses.
2
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Mountain biking in San Miguel De Aguayo is primarily geared towards experienced riders. Out of 16 available routes, 12 are classified as difficult, and 4 are moderate. There are no easy trails listed, indicating a focus on more demanding routes with significant elevation changes.
The mountain bike trails in San Miguel De Aguayo vary in length, but many are substantial. For example, the Pico Jano – circular desde Lanchares por el embalse de Alsa route is over 31 miles (50 km) long, and the Alsa Reservoir – Roman Road Trail loop from Molledo Portolín is about 33 miles (53 km). Riders should expect longer routes that often take several hours to complete.
Yes, many of the mountain bike trails in San Miguel De Aguayo are circular, offering convenient loop options. Notable examples include the Pico Jano – circular desde Lanchares por el embalse de Alsa, the El Mediano Frío Viewpoint – Alsa Reservoir loop from Centro Ornitológico del Embalse del Ebro, and the Alsa Reservoir – Casares Village loop from Bárcena.
The terrain around San Miguel De Aguayo is characterized by significant elevation changes, often traversing varied landscapes. You can expect a mix of challenging climbs and descents, reservoir-side paths, and historical trails, including sections of an ancient Roman Road. The routes frequently offer panoramic views, especially from viewpoints like El Mediano Frío.
While mountain biking, you can encounter several interesting landmarks. Routes often feature views of the Alsa Reservoir and ascend towards points like Pico Jano. You might also pass by historical sites such as the Ruins of Julióbriga or the Historic Center of Reinosa. Some trails also lead through natural beauty spots like a beautiful section through the beech forest.
The mountain bike trails in San Miguel De Aguayo are predominantly challenging, with 12 out of 16 routes rated as difficult and 4 as moderate. There are no easy trails listed, suggesting that the area is better suited for experienced mountain bikers rather than families with young children or absolute beginners looking for very gentle rides.
The mountain bike trails in San Miguel De Aguayo are highly rated by the komoot community, with an average score of 5.0 stars from 8 reviews. Riders often praise the challenging ascents, the rewarding views, and the varied terrain that includes reservoir-side paths and historical trails.
Yes, the Alsa Reservoir is a prominent feature in the region, and many mountain bike trails offer stunning views of it. Routes like Pico Jano – circular desde Lanchares por el embalse de Alsa and El Mediano Frío Viewpoint – Alsa Reservoir loop from Centro Ornitológico del Embalse del Ebro specifically highlight views and sections along the reservoir's shores.
Absolutely. The region around San Miguel De Aguayo features historical trails. For instance, the Alsa Reservoir – Roman Road Trail loop from Molledo Portolín includes sections of an ancient Roman Road, offering a unique blend of mountain biking and historical exploration.
There are 16 mountain bike trails available for exploration around San Miguel De Aguayo, offering a diverse range of routes for riders seeking challenging terrain and scenic views.
While specific facilities vary by route, some areas offer amenities. For example, the Peña Pea Rest Area is a highlight in the vicinity, which might be accessible from certain trails or serve as a good starting or ending point.
The mountain bike trails in San Miguel De Aguayo feature significant elevation gains, contributing to their difficult rating. For example, the Pico Jano – circular desde Lanchares por el embalse de Alsa route involves over 1600 meters (5200 feet) of ascent, and the Alsa Reservoir – Roman Road Trail loop from Molledo Portolín has nearly 1500 meters (4900 feet) of climbing.


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