4.5
(2)
50
riders
8
rides
Gravel biking around Udías offers routes through a landscape characterized by rolling hills and green terrain, with elevations reaching up to 300 meters. The region features ancient mining areas and significant forested sections, including native oak forests and Monte Corona. Short watercourses add to the natural beauty, and the area provides access to the diverse coastal landscapes of Oyambre Natural Park.
Last updated: July 3, 2026
13
riders
85.6km
08:34
2,040m
2,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(1)
4
riders
48.5km
03:29
960m
960m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
72.5km
06:20
2,100m
2,100m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Palacio de Sobrellano, also known as the Palacio del Marqués de Comillas, is one of the most important architectural jewels in Cantabria. It was built in the 19th century and stands out for its neo-Gothic style and its close connection with the Indian legacy and the Spanish aristocracy.
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Precious stretch, with views of the coast
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An area with a unique landscape and spectacular natural surroundings
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Beautiful hermitage located on the slopes of Monte Corona
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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 Monte Aa Pass is a very beautiful climb with spectacular landscapes. The pass is located on the mountain that separates Carmona from Ruente. Along the route we will find different trees catalogued within the Inventory of Singular Trees of Cantabria. These are spectacular specimens of oak and beech. The Monte Aa forest is made up of a mature oak forest dominated by oaks. To a lesser extent, there are beeches, sessile oaks and oaks. The abundance of holly trees is remarkable. As for the fauna that inhabits it, birds such as the goshawk, the sparrowhawk, the black kite, the common buzzard, the common kestrel, the woodpecker and other forest birds stand out. Mammals such as the roe deer, the deer or the badger and carnivores such as the marten or the polecat.
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The climb to Negreo along the southern slopes of Renedo and Moscadoriu, due to its length, is not one of the longest, it is only 6 kilometres but in two sections, each one stickier than the other, the first 3 kilometres with very hard concrete ramps with a gradient of up to 18-20% that make the bike rise more than expected and the last three kilometres with a lesser gradient but on more technical and broken terrain.
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Particularly beautiful view of the bays and sandy beaches.
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Gravel biking in Udías takes you through a landscape of rolling hills and lush green terrain, with elevations reaching up to 300 meters. You'll encounter ancient mining areas and significant forested sections, including native oak forests. Short watercourses add to the natural beauty, and the area provides access to the diverse coastal landscapes of Oyambre Natural Park.
The routes listed in this guide are generally considered difficult, featuring significant elevation gains and distances. However, the region's broader context includes 'old railroad road' pathways that are described as accessible and relatively flat, suitable for leisurely rides or beginners. These often have 'practically zero slopes' and can be enjoyed on conventional bicycles. For more challenging rides, the routes in this guide are ideal.
There are currently 8 gravel bike trails available around Udías on komoot, all of which are rated as difficult due to their length and elevation profiles.
Many routes offer expansive and varied views. For instance, the View of Comillas – View of the Cantabrian Sea loop from Venta de Tramalón provides stunning vistas towards Comillas and the Cantabrian Sea. Another route, Views of the Zapedo marsh – View of Comillas loop from Cóbreces, offers views of the Zapedo marsh and Comillas.
Yes, for those seeking a longer challenge, the Gravel loop in Saja-Besaya natural park is a substantial route, covering 85.6 km (53.2 miles) with over 2000 meters of elevation gain, typically taking over 8 hours to complete.
Udías is close to several significant cultural and historical sites. You could explore the Historic center of Comillas, known for its architecture, including El Capricho de Gaudí. The Cistercian Abbey of Saint Mary in Cóbreces and the San Pedro Church of Oreña are also notable historical sites nearby.
Yes, Udías is part of Cantabria's Western Coast region and offers easy access to the diverse landscapes of Oyambre Natural Park, which features dunes, beaches, cliffs, and marshes. You can also find natural features like the El Bolao Cliff and the La Rabia Estuary in the vicinity.
The gravel biking routes around Udías are highly rated by the komoot community, with an average score of 4.8 stars from over 6 reviews. More than 50 gravel bikers have used komoot to explore the varied terrain, often praising the challenging yet rewarding nature of the rides and the scenic views.
Yes, many of the gravel routes around Udías are designed as loops. Examples include the View of Comillas – San Pedro Church of Oreña loop from Comillas and the View of the Cantabrian Sea – View of Comillas loop from Cóbreces, offering convenient circular journeys.
Cantabria generally offers diverse gravel biking opportunities throughout the year. While specific recommendations for Udías are not detailed, the region's green landscapes suggest pleasant conditions during spring and autumn. Winter riding is possible, but it's always advisable to check local weather conditions, especially for higher elevations or coastal areas which might be exposed to stronger winds or rain.
Absolutely. All 8 routes listed in this guide are classified as difficult, featuring significant distances and considerable elevation gains. For example, the Gravel loop in Saja-Besaya natural park involves over 2000 meters of climbing, providing a substantial test for experienced riders.


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