Best mountain passes around Liebana are situated in Cantabria, Spain, a region characterized by its dramatic mountain landscapes and proximity to the Picos de Europa National Park. The area features diverse terrain, from high mountain passes to lush valleys and forests. These passes offer access to various natural attractions and provide routes through the Cantabrian Mountain Range. The region is known for its distinct microclimate and traditional products.
Last updated: May 26, 2026
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After rain the downhill (opposite dierction) can be somewhat challenging with steep rocky and muddy sections. I rode it on a gravel bike with 50 mm tires. Not too technical, but you need to watch out.
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This is one of the most beautiful climbs in the area. 26.5 kilometers at an average gradient of 5%, with a total of 1,300 meters of elevation gain. Smooth, with good pavement and spectacular views.
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Located 2 km from Puerto de San Glorio, it is worth stopping by to enjoy the views towards Picos.
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Nice and quiet port for cycling. Be careful with the fog at altitude.
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The mountain journey enters a comfortable and quiet section on the western slope of Alto del Naranjo, passes through the extensive Robadorio hill and heads directly along the ridge towards the northern spur of Alto del Cubil del Can, the key pass of the route. Under normal conditions, without ice or snow on the mountain, it is an atmospheric ascent along the side cliffs and quite steep, but it does not present technical difficulties, except for a climb (II) at the end of about three meters to crown the spur. The path climbs through the shade of the mountain range and in winter it usually has sections of hard snow or ice. It is important to assess the conditions before starting the ascent and always carry crampons and ice axe. In the channel located on the left side of the climb there is a corridor (45/50 degrees) which is an interesting option when the mountain is covered in snow, sometimes you may need two ice axes. The entrance is in a gap in the rope about ten meters before reaching the climbing step. In case of doubt, it is advisable to go up along the shoulder of the normal route. The climb ends on the northern shoulder of the summit of Alto del Cubil del Can (2,420 m) and continues on comfortable and safe terrain towards the Tres Provincias peak.
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Great views of the surrounding mountains
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With the gravel bike and/or luggage go slowly. Take your time to walk your bike on the steepest sections (15% +), views are amazing. Because of the loose rocks your wheel will slip sometimes.
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The Massif Central in all its splendor.
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For breathtaking panoramic views, consider visiting San Glorio Pass, especially from the Collado de Llesba viewpoint, which offers privileged views of the Picos de Europa. Another excellent option is Puerto de Piedrasluengas, where you can enjoy impressive vistas of the Picos de Europa and parts of the Palentina Mountain range from its viewpoint. The Puertos de Áliva also provide exceptional views, particularly from the Mirador del Cable, accessible via the Fuente Dé cable car.
Yes, Liébana offers several rewarding mountain passes for cyclists. San Glorio Pass is highly regarded for its smooth pavement, consistent gradients, and relatively low traffic, making it a favorite for road cyclists. Collado de la Hoz is another popular choice, known for its good road surface, light traffic, and historical significance in cycling. You can find various cycling routes, including challenging ones like the "Piedrasluengas from Potes Loop" or "San Glorio - Collada de Llesba Trail," in the Cycling around Liébana guide.
The mountain passes in Liébana are rich in diverse natural features. Puerto de Piedrasluengas, for instance, is situated within a lush beech forest and is known for its diverse natural environment, including meadows and deciduous forests, and is home to the endemic Piedrasluengas blue viburnum. The Puertos de Áliva showcase a dramatic limestone landscape, transitioning to green pastures and mixed forests, shaped by glacial activity. You can also observe rich flora and fauna in the protected areas surrounding passes like San Glorio.
Puerto de Piedrasluengas holds historical importance as it follows ancient Roman road routes. In the Puertos de Áliva, you can find the Chalet Real, a historic hunting lodge, and explore abandoned mine constructions and small hermitages, offering a glimpse into the region's past. The area around San Glorio also traverses a gastronomically rich part of Cantabria, known for traditional dishes and local products like Quesuco de Liébana and Orujo de Liébana liqueur, reflecting local culture.
Beyond driving or cycling, the mountain passes in Liébana are excellent for hiking and birdwatching. Puerto de Piedrasluengas is ideal for birdwatching due to its diverse forest birds. The Puertos de Áliva offer high-mountain trekking routes, with options to use the Fuente Dé cable car for easier access. For more specific hiking and running trails, you can explore the Running Trails around Liébana guide, which includes routes like the "Vega de Liordes Trail" and "Espinama and Fuente Dé Loop."
While many passes involve challenging climbs, some areas offer more accessible experiences. The Puertos de Áliva, for example, can be made family-friendly by utilizing the Fuente Dé cable car to reach higher elevations, allowing for accessible yet stunning walks through meadows and past grazing cattle. The Corzo Viewpoint, located near San Glorio Pass, is also categorized as family-friendly and offers impressive views.
The best time to visit the mountain passes in Liébana is generally during the warmer months, from late spring to early autumn (May to October). During this period, the weather is more stable, roads are clear of snow, and the natural environment is at its most vibrant, making it ideal for cycling, hiking, and enjoying the panoramic views. Summer allows for observing cattle grazing in high pastures, while spring and autumn offer beautiful foliage.
The Portilla del Boquejón is notable for precisely this feature. It serves as a narrow passage that distinctly separates barren high mountain landscapes in the north from much more lush vegetation in the south, marking a clear transition in the natural environment and delimiting vast cattle pastures.
Visitors frequently praise the spectacular views and the sense of entering another world. For instance, the Cirque of the Picos de Europa is described as an "impressive and wonderful place" and a "clear example of the beauty of the Picos de Europa National Park." Cyclists appreciate the good road conditions and quiet nature of passes like San Glorio, while hikers enjoy the diverse scenery and the rewarding experience of challenging routes.
Absolutely. The View of the Picos de Europa from Collado de Llesba, located near Puerto de San Glorio, is highly recommended for its incredible vistas of peaks like Morra de Lechugales. The viewpoint at Puerto de Piedrasluengas also offers expansive views of the Picos de Europa and the Palentina Mountain range. Additionally, the Mirador del Cable in Puertos de Áliva provides exceptional high-mountain panoramas.
The hiking trails around Liébana's mountain passes vary in difficulty, ranging from intermediate to challenging. For example, the trail from Fuente Dé to Portilla de la Reina includes hard ramps with variable terrain. The Puertos de Áliva offer routes suitable for varying fitness levels, especially with the option of using the Fuente Dé cable car. Always check specific route details for elevation gain and terrain before embarking on a hike. Many routes are considered difficult, such as those found in the Running Trails around Liébana guide.


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