4.5
(5)
1,001
riders
12
rides
Road cycling routes around Los Tojos traverse a landscape characterized by mountainous terrain and deep valleys. The region features significant elevation changes, with routes often climbing through passes and along ridges. Dense forests and open pastures define much of the scenery, offering varied backdrops for road cyclists. The area provides a challenging environment for those seeking demanding ascents and descents.
Last updated: May 22, 2026
268
riders
105km
05:55
2,350m
2,360m
This difficult 65.2-mile (105.0 km) road cycling route through the Cantabrian Mountains offers significant climbs and diverse scenery.
4.5
(2)
132
riders
83.4km
04:44
1,890m
1,890m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

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107
riders
73.3km
04:03
1,290m
1,290m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
75
riders
53.5km
02:25
580m
580m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
50
riders
57.8km
03:00
970m
970m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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It would be good if they finally removed the cross with the plaque commemorating some "martyrs"
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You can climb from Cieza or Los Llares. The road is dirty and somewhat broken through Cieza (be careful when descending on a road bike).
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The Collada de Carmona is a mountain pass in the Cantabrian mountain range located in western Cantabria.[1] It rises to 601 m above sea level and links the towns of Valle to the east and Carmona to the west, both belonging to the municipality of Cabuérniga.
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The San Andrés Bridge is in Somahoz (Los Corrales de Buelna) over the Besaya River, which gives access to the San Andrés neighbourhood. It is divided into a narrow lane for vehicles and a pedestrian crossing, and from it we see a railway bridge that we have to go under to enter the neighbourhood. And that railway bridge (or overpass) that we crossed is part of the historic "Ferro-carril de Isabel II" (Isabel II Railway) that began to be built in the mid-19th century with the project of joining the towns of Alar del Rey with Santander and whose section from Bárcena de Pie de Concha to the Cantabrian capital must have been finished in 1858.
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The Casa Palacio that the Ceballos had in Barros is today owned by Mr. Herrero and Mr. Martínez de Azcoitia. It is a beautiful mountain architectural complex with a portal between cylindrical cubes, a typical mansion and a chapel. It was restored a few years ago by the current owners who have managed to give its interior a stately and period atmosphere. It dates back to the beginning of the 18th century.
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Giant Barros Stele: Located in the town of Barros, municipality of Los Corrales de Buelna, Cantabria. The Cantabrian Steles found next to the hermitage of the Virgen de la Rueda, in the town of Barros, and the two found in the Lombera neighbourhood, are displayed in a permanent exhibition next to the aforementioned hermitage in what is known as the Parque de las Estelas de Cantabria. These are circular pieces that preserve the base pier, 0.80 metres wide, for vertical placement. The largest one (Barros II), between 2.15 and 2.46 metres in diameter and weighing 3,000 kilos, was found in fragments in 1977 between the walls of the chapel of Nuestra Señora de la Rueda de Barros and was rebuilt in 1999. The Cantabrian stele known as Barros I, also called the Wheel of Santa Catalina or the Wheel of the Virgin, is smaller in size, but its dimensions are still spectacular: 1.75 metres in diameter and 32 centimetres thick. Made of sandstone, easy to work, like the previous one, it has a geometric decoration. Although interpreted by some as religious or funerary testimonies, the steles displayed in the Parque de las Estelas de Cantabria continue to offer researchers numerous questions about their functionality and chronology. There is a possibility that they may belong to the Roman period or even later. They were declared a Site of Cultural Interest in 1985 and since then their image has been part of the coat of arms of Cantabria. Information from: https://www.cantabriarural.com/lugares-de-interes/parque-de-las-estelas-de-cantabria.html
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At the beginning of the San Andrés neighbourhood, in Somahoz, the views upstream from the Besaya are beautiful. This is the starting point for several routes.
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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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There are over 10 road cycling routes around Los Tojos, offering a variety of experiences from easy to difficult. The region's mountainous terrain ensures diverse options for all skill levels.
While Los Tojos is known for its challenging terrain, there is at least one easy road cycling route available. Most routes, however, are classified as moderate or difficult due to significant elevation changes.
Los Tojos offers several challenging routes for experienced cyclists. The Piedrasluengas and Collado de Hoz Loop is a difficult 65.2-mile route with significant climbs. Another demanding option is the Collada de Carmona – Palombera Pass loop from Castillo de San Vicente, which covers 51.8 miles through mountainous terrain including the Palombera Pass.
The longest road cycling route in the area is the Piedrasluengas and Collado de Hoz Loop, stretching 65.2 miles (105 km). This difficult route typically takes around 5 hours and 55 minutes to complete, featuring substantial ascents.
Yes, many of the road cycling routes in Los Tojos are designed as loops. Examples include the Piedrasluengas and Collado de Hoz Loop and the Palacio de los Hornillos – Alto de Brenes loop from Bárcena, which offer varied landscapes and challenging climbs.
Along the routes, you can discover various natural and cultural attractions. Highlights include the scenic El Moral Plateau, the historic village of Bárcena Mayor, and the unique Fallen Oak of Brujilices. You might also pass by the Source of the Ebro River.
The best time for road cycling in Los Tojos is generally from late spring to early autumn. During these months, the weather is milder, and mountain passes are typically clear of snow. Winter conditions can make many routes challenging or impassable due to snow and ice at higher elevations.
Given the region's rural and mountainous nature, specific routes passing directly by numerous cafes are not explicitly highlighted. However, routes often connect villages or towns where you can find local establishments to refuel. Planning your route with komoot allows you to identify potential stops along the way.
The area is highly rated by the komoot community, with an average score of 4.5 stars from around 5 reviews. Reviewers often praise the challenging ascents, the stunning mountain scenery, and the quiet roads that traverse dense forests and open pastures.
Public transport options to specific trailheads in the mountainous Los Tojos region can be limited. It is advisable to check local bus schedules for connections to larger towns near the starting points of routes. Many cyclists opt to drive to their chosen trailhead.
Parking is generally available in the villages and towns that serve as starting points for the routes, such as Bárcena or Castillo de San Vicente. Look for designated parking areas or inquire locally upon arrival. Always ensure you park responsibly and legally.
Cycling through the natural landscapes of Los Tojos, particularly within and around the Saja-Besaya Natural Park, offers opportunities to observe local wildlife. You might encounter various bird species, deer, or other forest animals, especially during quieter times of the day.


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