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Spain
Asturias
Belmonte De Miranda

Las Ubiñas-La Mesa

The best road cycling routes in Las Ubiñas-La Mesa

5.0

(32)

4,279

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14

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Road cycling routes in Las Ubiñas-La Mesa traverse a UNESCO Biosphere Reserve in south-central Asturias, Spain. The region features dramatic and diverse natural landscapes, characterized by high mountain systems, deep gorges, and extensive forests. Its mountainous topography presents numerous challenging climbs and passes, making it a notable destination for road cyclists seeking demanding terrain.

Best road cycling routes in Las Ubiñas-La Mesa

  • The most popular road cycling route is San Lorenzo, Somiedo, and Ventana Passes Loop, a 62.9 miles…

Last updated: July 10, 2026

5.0

(1)

178

riders

#1.

San Lorenzo, Somiedo, and Ventana Passes Loop

101km

06:02

2,550m

2,550m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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5.0

(1)

451

riders

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard
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Popular around Las Ubiñas-La Mesa

The secrets of the Cantabrian Mountains – GR 109 Asturias Interior

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The secrets of the Cantabrian Mountains – GR 109 Asturias Interior

Hiking Collection by

Sofía_Ibáñez

Tips from the Community

Javier MP
November 30, 2025, Torre Medieval de Proaza

It's very interesting to take a look at

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Very interesting to visit

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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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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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It's an ideal starting point for tours in the region. Hotels and restaurants are available. However, the bears have retreated.

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Puerto de Ventana is a mountain pass located in the Cantabrian Mountains, between the Principality of Asturias and the province of León. It lies at an altitude of 1,587 meters and connects the municipality of San Emiliano in León with the Asturian municipality of Teverga. From the pass, you can enjoy a breathtaking view of the San Emiliano Valley, known as Babia de Yuso.

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Frequently Asked Questions

How many road cycling routes are available in Las Ubiñas-La Mesa?

There are over 10 dedicated road cycling routes in Las Ubiñas-La Mesa, primarily catering to experienced cyclists due to the challenging terrain. The komoot community has explored these routes over 2,500 times, highlighting the region's appeal for serious road biking.

What is the general difficulty level of road cycling in Las Ubiñas-La Mesa?

Road cycling in Las Ubiñas-La Mesa is characterized by its demanding nature. The region's mountainous topography features numerous challenging climbs and passes, with most routes rated as 'difficult'. For instance, the San Lorenzo, Somiedo, and Ventana Passes Loop covers over 100 km with significant elevation gain, making it suitable for advanced riders.

Are there any routes that feature iconic mountain passes?

Absolutely. Las Ubiñas-La Mesa is renowned for its challenging mountain passes, many of which have been featured in professional races like La Vuelta a España. Notable climbs include the Puerto de Ventana, Alto de La Cobertoria, and La Cubilla Pass. You can experience a sustained climb to the Puerto de Ventana on the Puerto de Ventana from San Martín de Teverga route, or tackle La Cubilla on the Tuiza de Arriba – La Cubilla Pass loop from Tuíza.

What kind of natural features can I expect to see along the road cycling routes?

The routes traverse a UNESCO Biosphere Reserve, offering a dramatic and diverse natural landscape. You'll encounter high mountain systems, deep river gorges, and extensive forests, particularly beech forests like Montegrande and Valgrande. Evidence of glacial activity is also visible in areas like the Ports of Agüeria. The region's rich biodiversity means you might spot various wildlife, though bears are elusive.

Are there any circular road cycling routes available?

Yes, several routes offer circular experiences, allowing you to start and end in the same location. A prime example is the San Lorenzo, Somiedo, and Ventana Passes Loop, which is a challenging 101 km circuit. Another option is the Tuiza de Arriba – La Cubilla Pass loop from Tuíza, offering a 58 km ride through high mountain scenery.

What do other road cyclists enjoy most about road cycling in Las Ubiñas-La Mesa?

The area is highly rated by the komoot community, with an average score of 5.0 stars from over 20 reviews. Cyclists frequently praise the dramatic mountain scenery, the challenge of the iconic climbs, and the relatively low traffic on well-maintained roads. The sense of achievement after conquering passes like Ventana and La Cubilla is a common highlight.

Are there any viewpoints or landmarks to look out for on the routes?

Yes, the region offers numerous points of interest. You'll encounter stunning vistas from mountain passes like Ventana Pass and La Cubilla Pass. The traditional Asturian mountain architecture in villages and the ancient Roman roads like Camino Real de la Mesa also add historical and cultural interest to your ride. While primarily a greenway, the Senda del Oso is a notable feature in the wider area.

What is the best time of year for road cycling in Las Ubiñas-La Mesa?

The best time for road cycling is typically from late spring to early autumn (May to October). During these months, the weather is generally more stable, and mountain passes are clear of snow. Summer offers warmer temperatures, but spring and autumn provide pleasant conditions with vibrant foliage or blooming landscapes. Always check local weather forecasts before heading out, especially for mountain routes.

Are there any less strenuous road cycling options for beginners or families?

Las Ubiñas-La Mesa is primarily known for its challenging terrain, with most road cycling routes rated as 'difficult'. While there are no 'easy' road cycling routes listed, the wider region offers alternatives like the Senda del Oso (Bear's Path), which is a well-maintained greenway suitable for more moderate rides and families, though it's typically done on mountain bikes or hybrid bikes rather than road bikes.

Where can I find parking for road cycling routes in the area?

Parking is generally available in the villages and towns that serve as starting points for many routes, such as San Martín de Teverga or Tuíza. Specific parking information for individual routes can often be found in the route descriptions on komoot, or by checking local municipal resources for designated parking areas near trailheads.

Are there any routes that pass by reservoirs or significant water bodies?

Yes, some routes incorporate views of local reservoirs. For example, the Valle del Oso – Valdemurrio Reservoir loop from La Plaza is a difficult 55 km route that includes the Valdemurrio Reservoir, offering scenic views as you cycle through the landscape.

What are the highest elevation gains on road cycling routes in Las Ubiñas-La Mesa?

The region is known for significant elevation gains. Routes like the San Lorenzo, Somiedo, and Ventana Passes Loop feature over 2,500 meters of ascent. Another demanding option is the Valdemurrio Reservoir – Alto de Gamoniteiro loop from Aparcamiento de Taja, which also boasts over 2,500 meters of climbing, making these routes highly challenging.

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