Best mountain passes around Llangreu/Langreo are situated in Asturias, Spain, connecting the Nalón and Caudal basins. This region is characterized by its rugged landscapes and a history rooted in mining and cycling traditions. The area offers a variety of mountain passes, from challenging cycling routes to scenic viewpoints. These passes provide access to the Cantabrian Mountains and the Sierra de Peñamayor, featuring diverse terrain and elevations.
Last updated: July 1, 2026
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The Les Praeres pass, meaning "meadows" in Spanish, is a beautiful crossing point for the surrounding peaks. There's also a bar and restaurant with a mountain atmosphere. As if that weren't enough, there's a deer, rescued as a puppy by the bar's owner, who freely roams the area like a pet.
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The Alto de Santo Emiliano is a classic Asturian cycling pass, located between the municipalities of Mieres and Langreo, connecting the Nalón and Caudal basins in an area with a long mining and cycling tradition. Climb Features • The summit is located at an altitude of approximately 515-519 meters, depending on the slope. • There are two main slopes: • From Langreo (Sama): • Length: 5.2 to 5.4 km • Elevation gain: ~309 m • Average gradient: 5.7% • Maximum gradient: ~7% (no double-digit ramps) • Road in good condition with a fairly constant gradient. • From Mieres (via Rioturbio): • Length: 7.1 to 7.5 km • Elevation: ~291-314 m • Average gradient: 3.9%-4.4% • Initially, a gentle 2-3% section, then a 3.5 km stretch at 5-7% with occasional ramps at 8-9%
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Beautiful place, with impressive views and a bar where you can have a drink or something to eat.
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Nice climb, with beautiful views of the Caudal valley, with hardly any traffic, the climb is not hard from Mieres to Olloniego, be careful going down, the road is not in good condition.
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The region is renowned for its challenging cycling climbs. Alto de Santo Emiliano is a classic Asturian cycling pass connecting the Nalón and Caudal basins, offering two main ascents with steady gradients. Alto del Padrún features an ascent of almost 4 kilometers with an average gradient close to 6% and maximum ramps of 11%. For a more serene ride, Alto de La Colladiella offers minimal traffic and good road conditions despite its steep slopes. For extreme challenges, L'Angliru is infamous for its 23.5% gradient at "Cueña les Cabres," making it a legendary climb.
Yes, the area offers several formidable challenges. Les Praeres – Sierra de Peñamayor, known as the "wall" of Praeres, gains 490 meters over 3.8 km with an average gradient of 12.89%. L'Angliru, located in the council of Riosa, is legendary for its extreme steepness, reaching a 23.5% gradient at "Cueña les Cabres." Alto del Gamoniteiro, the highest peak in the Sierra del Aramo accessible by car, also offers a challenging ascent and incredible panoramic views, earning it the nickname "The other Angliru of Asturias."
For breathtaking vistas, Collada de Pelúgano, at 1,017 meters, provides beautiful panoramic views of the Peña Mea massif and lush green slopes. Ventana Pass, located in the Cantabrian Mountains, offers stunning views of the San Emiliano Valley. Alto del Gamoniteiro, the highest peak in the Sierra del Aramo, provides expansive panoramic views of the Asturian landscape.
The mountain passes around Llangreu/Langreo are excellent starting points for various outdoor activities. You can find numerous road cycling routes, such as the challenging "La Felguera, Alto de la Mozqueta, and Mieres Loop," or the "Alto de La Colladiella – Pozo Fortuna Memorial loop." For mountain biking, explore trails like the "MTB Les Praeres loop from Sama-Los Llerones." You can find more details on these and other routes in the Road Cycling Routes, Cycling, and MTB Trails guides for the area.
Alto de Santo Emiliano holds historical significance due to its connection to the mining and cycling traditions of the region, effectively linking the Nalón and Caudal basins, which were central to Asturias' industrial past.
La Cubilla Pass, situated on the border between Asturias and Castilla y León, is renowned for its rugged terrain and beautiful surroundings, making it an iconic climb. Ventana Pass in the Cantabrian Mountains also offers stunning natural beauty. The area around Les Praeres – Sierra de Peñamayor, with its "meadows," provides beautiful scenery.
Alto del Gamoniteiro, located in the Sierra del Aramo, is the highest peak in Asturias accessible by car, reaching an altitude of 1,786 meters above sea level. It offers incredible panoramic views from its summit.
Visitors frequently praise the challenging cycling climbs, the scenic viewpoints, and the diverse range of mountain passes catering to different skill levels. The minimal traffic and good road conditions on passes like Alto de La Colladiella are also highly appreciated, allowing for pleasant cycling experiences. The unique atmosphere, such as the bar and resident deer at Les Praeres – Sierra de Peñamayor, also adds to the enjoyment.
Yes, several passes in the region have gained international fame through professional cycling. La Cubilla Pass and L'Angliru have both been stage finishes for the Vuelta a España, cementing their status as iconic climbs. Alto del Gamoniteiro also featured as a tough stage in the 2021 Vuelta a España.
Yes, at Les Praeres – Sierra de Peñamayor, there is a bar and restaurant with a mountain atmosphere where you can enjoy a drink or something to eat after your climb.
The mountain passes in the Llangreu/Langreo region vary significantly in elevation. For instance, Alto de Santo Emiliano reaches approximately 515-519 meters, while Collada de Pelúgano is at 1,017 meters. Higher passes like La Cubilla reach 1,683 meters, and Alto del Gamoniteiro is the highest at 1,786 meters.


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