4.8
(7)
63
riders
12
rides
Gravel biking around Mazcuerras offers diverse terrain within the picturesque region of Cantabria, Spain. The area is characterized by mountains, deep valleys, and extensive forests, including parts of the Saja-Besaya Natural Park. Situated at the foot of Monte Ibio and near the Pulero stream and Saja River, the landscape provides a mix of challenging ascents, scenic descents, and riparian paths. These natural features create varied gravel bike trails suitable for exploration.
Last updated: July 2, 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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5.0
(1)
7
riders
25.9km
01:52
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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.
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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.
2
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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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Surrounded by rocks, it is a very wild and beautiful place. They say that when the water is calm you can take a nice swim, but in my case, I couldn't enjoy it, although I did enjoy its beauty.
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The Mazcuerras region, nestled in Cantabria, offers a diverse gravel biking experience. You'll encounter a mix of mountains, deep valleys, and extensive forests, particularly within the Saja-Besaya Natural Park. Routes often feature varied inclines, from challenging ascents to scenic descents, and riparian paths along the Pulero stream and Saja River. The terrain is ideal for gravel bikes, combining paved sections with dirt tracks and natural trails.
While many of the routes around Mazcuerras are rated as difficult due to the mountainous terrain and significant elevation changes, the region's diverse landscape means there are options for varying ability levels. For family-friendly rides, consider exploring flatter sections along river valleys or less strenuous paths within the Saja-Besaya Natural Park. Always check the route details on komoot for specific difficulty ratings and elevation profiles to find a suitable trail.
The area boasts several impressive natural features. You can cycle through the dense oak and beech forests of the Saja-Besaya Natural Park. A unique highlight is the Redwood Forest of Cabezón de la Sal, just 7.5 km from Mazcuerras, where you can ride among towering redwoods. The Lamiña Waterfalls, located within the Saja-Besaya Natural Park near Barcenillas, also offer a beautiful scenic stop amidst a beech forest.
Yes, many of the gravel routes around Mazcuerras are designed as loops, allowing you to start and finish at the same point. For example, the Gravel loop in Saja-Besaya natural park is a substantial circular route exploring the park's varied terrain. Another option is the View of Comillas – View of the Cantabrian Sea loop from Venta de Tramalón, which offers expansive coastal views.
Mazcuerras and its surroundings are rich in cultural heritage. You can incorporate visits to charming villages with traditional Cantabrian architecture, including palaces, stately homes, and churches like the 17th-century Church of San Martín. Nearby attractions accessible by bike include the historic Santillana del Mar Historic Town Centre, the Collegiate Church of Santa Juliana, and the Cistercian Abbey of Saint Mary in Cóbreces. During July and August, Mazcuerras also hosts ASELART, an open-air rural art exhibition.
Absolutely. The mountainous landscape provides numerous opportunities for scenic viewpoints and challenging mountain passes. You can reach the El Moral Plateau for panoramic views. Other notable passes include Collada de Carmona, Alto de San Cipriano, and Collada de Brenes, all offering rewarding climbs and stunning vistas.
The gravel biking routes around Mazcuerras are highly regarded by the komoot community, holding an average rating of 4.75 stars from over 7 reviews. Users frequently praise the diverse terrain, the beauty of the Saja-Besaya Natural Park, and the combination of challenging climbs with rewarding scenic descents. Many appreciate the opportunity to explore both natural landscapes and charming Cantabrian villages.
The 'green heart of Cantabria' is beautiful year-round, but for gravel biking, spring and autumn generally offer the most pleasant conditions. Temperatures are mild, and the natural landscapes are vibrant. Summer can be warm, especially on exposed sections, while winter might bring colder temperatures and potentially wet conditions, particularly in higher elevations or forested areas. Always check the local weather forecast before heading out.
Yes, the region offers routes suitable for longer excursions. The Gravel loop in Saja-Besaya natural park, at over 85 km, provides a significant challenge for a full day's ride. The extensive network of trails and quiet roads throughout the Saja-Nansa comarca allows for combining different sections to create custom long-distance adventures, exploring deep into the natural park and surrounding areas.
Mazcuerras and the surrounding villages typically offer public parking areas. For specific routes, it's advisable to check the starting points on komoot for designated parking spots or suitable roadside parking. Many routes begin from village centers or trailheads where parking is usually available, allowing easy access to the trails.
While Mazcuerras itself is inland, the Cantabrian coast is within easy reach, offering excellent coastal gravel biking opportunities. For instance, the Onzapera Cove – Santillana del Mar loop from Santillana del Mar takes you through coastal areas and cultural sites. Another option is the View of the Cantabrian Sea – View of Comillas loop from Cóbreces, which provides stunning sea views and varied terrain.


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