4.8
(3)
69
riders
3
rides
Gravel biking around Quirós offers diverse terrain within the Asturian landscape, much of which is part of the UNESCO Biosphere Reserve of Parque Natural Las Ubiñas-La Mesa. The region features strong contrasts in relief, with mountainous areas, extensive beech and oak forests, and river gorges. This varied environment provides an abundance of unpaved roads, forest tracks, and historical pathways ideal for mixed-terrain cycling.
Last updated: May 21, 2026
9
riders
42.6km
03:35
1,500m
1,500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
29.8km
02:40
1,040m
1,040m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
2
riders
37.7km
02:43
810m
810m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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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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A spectacular place to enjoy the views near Oviedo
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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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The LN-8 highway enters the protected natural area of Las Ubiñas-La Mesa and its surrounding villages. If you continue ascending, you'll reach the famous La Cubilla mountain pass. The climb follows a spectacular road between mountains and traditional villages.
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A nice place. Swimming isn't allowed, if I remember correctly.
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A very good route to do with children and the family, not the whole route but in sections.
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The Teverga Gorges are an impressive part of the Senda del Oso, a very popular hiking and cycling route in Asturias. This trail follows the route of an old mining railway and crosses the Valles del Oso, which include the municipalities of Quirós, Santo Adriano, Proaza and Teverga.
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While Quirós offers a vast network of cycling routes, this specific guide focuses on three challenging, traffic-free gravel bike trails. These routes are designed for experienced riders seeking demanding ascents and descents through the stunning Asturian landscape.
The routes featured in this guide are all rated as difficult, involving significant elevation changes. However, for a more accessible and family-friendly traffic-free experience, consider exploring sections of the Senda del Oso (Bear Path). This popular greenway, following an old mining train route, offers 45km of off-road riding suitable for almost anyone, and can be incorporated into longer gravel routes.
The trails in Quirós traverse diverse and dramatic landscapes, largely within the Parque Natural Las Ubiñas-La Mesa, a UNESCO Biosphere Reserve. You'll encounter strong contrasts in relief, from challenging mountain passes and glacial valleys to extensive beech and oak forests, and vast grasslands. Expect rugged natural beauty and panoramic views.
Yes, all the featured routes in this guide are circular, allowing you to start and end at the same point. For example, you can tackle the challenging La Cubilla Pass loop from Las Fuentes or the Bear Trail – Ascent to Gradura loop from La Plaza, both offering a full loop experience.
The routes offer access to breathtaking natural features and historical sites. You might pass by significant mountain passes like La Cubilla Pass or Ventana Pass. The region is also rich in natural monuments and historical pathways, including remnants of ancient Roman roads, offering a blend of physical activity and cultural immersion.
While gravel biking is possible year-round, spring and autumn generally offer the most pleasant conditions with milder temperatures and vibrant scenery. Summer can be warm, especially on exposed sections, while winter rides may encounter snow at higher elevations, particularly in the Parque Natural Las Ubiñas-La Mesa.
While the trails themselves are remote and traffic-free, you'll find small villages and towns near the start and end points of many routes. These often have local eateries or cafes. For example, near the Bear Trail – Ascent to Gradura loop from La Plaza, you might find places like La Posada de Proaza. It's always advisable to carry sufficient water and snacks, especially on longer, more remote sections.
The komoot community highly rates the gravel biking experience in Quirós, with an average score of 4.75 stars. Riders frequently praise the challenging climbs, the stunning natural beauty of the Asturian mountains, and the sense of adventure found on these traffic-free, remote trails. The well-preserved natural environment and diverse terrain are often highlighted as key attractions.
Parking availability varies by starting point. Many trailheads in the Quirós region, especially those leading to popular routes or greenways like the Senda del Oso, typically have designated parking areas. It's recommended to check the specific route details on komoot for information regarding parking at your chosen starting location, such as for the Stone Bridge of Proaza – Mine Railway Tunnel loop from Caces.
As much of the area is within the Parque Natural Las Ubiñas-La Mesa Biosphere Reserve, you have a chance to spot diverse wildlife. The region is known for its extensive forests and grasslands, which are home to various species. Keep an eye out for local birds of prey, deer, and if you're very lucky, you might even spot signs of brown bears, for which the Senda del Oso is famously named.
While the trails are remote, some areas have mountain huts or inns that can serve as a resting point. For instance, you might find options like Meicín Mountain Hut or Casa Generosa Mountain Inn in the broader Quirós area. It's always a good idea to check their operating hours and availability in advance, especially outside peak season.


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