Best natural monuments around Mieres showcase Asturias's diverse landscapes, from dramatic river gorges to ancient, protected trees. The region features impressive geological formations like the Foces del Río Aller, alongside individual natural wonders such as the singular trees of Mieres. These natural features are set within a broader protected area, offering a blend of natural beauty and historical significance. Mieres provides opportunities to explore varied natural environments.
Last updated: June 23, 2026
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Upon reaching the summit, you don't arrive at a village or a tourist center, but rather at a kind of natural balcony overlooking the Lena mountain passes, which gives a strange feeling, as if you've stepped onto an empty stage. And on clear days, the wind is louder among the mountain passes than any car, because traffic is minimal.
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For decades, La Cubilla was practically a ghost town: a road built to connect mining valleys, used more by livestock farmers and scattered trucks than by travelers. This lack of traffic left a remarkably clean route, free of curves, absurd straights, and modern widenings: pure mountain design from another era. That's why many cyclists say it "looks more like an Alpine pass than a Cantabrian one," with those giant limestone walls silently accompanying you.
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You have to get up early to park your car. Always take the summer road, as the winter road is closed.
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The La Cubilla mountain pass is located at an altitude of 1,683 meters, on the border between Asturias and León. Its rugged terrain and the beauty of its surroundings have earned it the title of stage finisher of the Vuelta a España, making it one of the most iconic climbs among cyclists.
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A very broken road. On a road bike, you're guaranteed to get a flat if you don't break something, both uphill and downhill. Great on gravel.
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It's a beautiful place and a dreamlike landscape. What a shame the shelter isn't working. These politicians we have don't do a single thing right.
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Bring binoculars. Beautiful landscapes.
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The Puerto de la Cubilla is a mountain pass on the border between the Principality of Asturias and the community of Castilla y León. By MTB you can get there from San Emiliano (ten kilometers and 500 meters of positive gradient) or from Caldas de Luna (17 kilometers and 730 meters of positive gradient). It is part of the TransCantábrica BTT route.
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Mieres offers a variety of impressive natural features. You can visit the Ojo de Buey (L'Arcu de la Finiesta), Peña Mea, an impressive 20-meter natural rock arch. The La Cubilla Pass provides magnificent landscapes, while the View from Pajares offers beautiful vistas of the village and the Sierra de la Casomera. Don't miss the Texu la Oración Viewpoint, which provides one of the best views of the Redes Natural Park.
Yes, for experienced hikers seeking a challenge, Peña Ubiña is a prominent summit offering demanding routes and rewarding views. The area around the La Cubilla Pass also features long but not overly steep slopes, which are part of the TransCantábrica BTT route, suitable for those looking for endurance.
Families can enjoy the El Tabayón del Mongayu Waterfall Trail, which is known for being family-friendly. Another great option is the Brañagallones Refuge area, which serves as a base for several beautiful hiking trails and offers a public transport service to reach the Vega, avoiding the initial 11km walk from Bezanes.
Beyond exploring the natural monuments themselves, you can enjoy various outdoor activities. There are numerous waterfall hikes, with routes like the Foz de los Moñacos loop. Cycling is also popular, with options for general cycling and road cycling, including challenging loops around Angliru and Collada de Arnicio.
Yes, the Foces del Río Aller, a magnificent gorge, is integrated into the PR AS-31 hiking route, known as the "Ruta allerana de las Foces del río Pino y del río Aller," connecting El Pino with La Paraya. This route allows you to experience the natural splendor firsthand, including its picturesque cobblestone path. Additionally, the El Tabayón del Mongayu Waterfall Trail is a dedicated hiking path to a beautiful waterfall.
While specific seasonal tips are not provided for all monuments, the region's natural beauty, with its leafy beech and oak forests and green mountain pastures, suggests that spring and autumn would offer pleasant temperatures and vibrant scenery. Summer is also suitable for outdoor activities, though it might be busier. Winter can offer a different, often snow-covered, perspective, especially in higher mountain passes like La Cubilla Pass.
Beyond the more prominent sites, Mieres is home to several 'Singular Trees' recognized for their unique characteristics. These include the Castaño de Santa Marina, a well-developed chestnut tree, the robust Tilo de Cenera (linden tree) providing shade, and the striking Cedro Azul del Atlas de La Felguera (Atlas blue cedar) with its bluish needles. These offer serene spots for contemplation and appreciation of individual natural wonders.
The natural monuments and the broader Cuencas Mineras Protected Landscape are characterized by diverse ecosystems, including leafy beech and oak forests, and mountain pastures. While specific wildlife sightings are not guaranteed, these habitats are home to various species typical of Asturian mountain environments. Keep an eye out for local birds and other forest inhabitants during your visit.
The Foces del Río Aller is a Natural Monument of Asturias and is generally accessible without specific permits for general visitation or hiking on established routes like the PR AS-31. Similarly, the singular trees within Mieres are publicly accessible. While Mieres is part of the broader Cuencas Mineras Protected Landscape, general access to its natural areas typically does not require permits for casual exploration. However, for specific activities or in other nearby natural parks like Redes or Ubiñas-La Mesa, it's always advisable to check local regulations if venturing off marked paths or planning extensive stays.
While specific cafes or accommodations directly at every natural monument are not detailed, the Brañagallones Refuge offers a place to sleep and eat, making it a convenient stop for those exploring the Redes Natural Park. For other locations, the nearby towns and villages within Mieres municipality will provide various options for dining and lodging.
Yes, for those who enjoy circular routes, the nearby waterfall hikes around Mieres include options like the Foz de los Moñacos loop from La Pesanca. These routes allow you to start and end in the same location, offering a convenient way to explore the natural beauty.
The Foces del Río Aller is a significant natural monument due to its impressive gorge carved by the Aller River, characterized by narrow, dramatic rock formations, numerous waterfalls, and torrents. It was declared a Natural Monument of Asturias in 2001 and is notable for its geological beauty and its historical role as a passage for pilgrims on the Camino de Santiago, evidenced by its ancient cobblestone path.


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