Top 3 Gorges around National Park Ubiñas-La Mesa
Best canyons around National Park Ubiñas-La Mesa are located within a mountainous region characterized by significant natural assets, including impressive gorges and valleys. This area, a UNESCO Biosphere Reserve, features dramatic landscapes shaped by rivers such as the Val de Sampedro, which have carved deep valleys and revealed geological history. The park is also recognized for its biodiversity, providing habitat for species like the brown bear and various bats, and offers numerous hiking routes. Its blend of natural beauty and…
Last updated: October 31, 2026
Senda del Oso
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Huerta Cave
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Bear Trail
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Senda del Oso: San Andrés - Entrago
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Senda del Oso Tunnel (Valdecerezales Gorge)
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Tips from the Community
Before renting a bike from the "Oso goloso" rental shop in Proaza, you should know the following: the gearshift on the mountain bikes (without mudguards, bell, or luggage rack) is absurdly intentionally locked so that, out of a hypothetical 18 gears, you can only use 4 in the middle range (so the chain doesn't come off, hahaha). After you pay and sign, they'll explain this to you. However, this is completely unsuitable for riding the Bear Trail, especially the rather steep eastern variant with its very poor surface. Even with good fitness, you'll often have to dismount. Apparently, there's another rental shop in Proaza...
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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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The Bear Trail Tunnel, also known as the Valdecerezales Gorge, is one of the highlights of the Bear Trail in Asturias. This tunnel runs through an impressive gorge, offering a unique experience for hikers and cyclists who follow the route.
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In Santa Marina there are some steps that connect with the section of the Senda del Oso in the municipality of Quirós, perfectly conditioned in the valley of the river Trubia. In autumn the trees are colourful and the warm lights of the most suggestive season of the year envelop the landscapes in a very seductive luminous effervescence. Bárzana is the capital of the municipality of Quirós, it is on the other side of the river, like many villages along the route. The route of the old mining train runs solitary and hidden to the Valdemurio reservoir, a reserve for aquatic birds and an active leisure centre. The Senda crosses the Cuevafurada gorge through an illuminated tunnel and reaches the Caranga de Abajo detour. The Teverga branch deviates to the left, this is the path we will take later on the return from Tuñón. The route continues straight ahead through the tunnels of the Peñas Juntas and Peña Caranga Gorges to the Proaza valley, where the Bear Enclosure is located. At times you can see bears that live in semi-freedom and come to the Senda Enclosure to eat. The cycle route continues through Villanueva and ends at the Tuñón Recreational Area, set up at the Esgarrada bridge. There is a fountain, benches, a children's playground and a bear sculpture. The route returns along the same path to the Caranga de Abajo turn-off and continues through the Teverga valley. On the way back you can take advantage of the opportunity to visit the town of Proaza, connecting again with the Senda at the bridge of the Hydraulic Power Station. The Bear Enclosure is still beautiful, wooded and comfortable for cycling, small villages appear, well-lit tunnels and after several curves the canyon opens up and the houses of Entragu emerge between the trees. The stage continues for a couple of kilometres to San Martín de Teverga, an important crossroads and town with all services.
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This cycle path is part of Spain's greenways, which restore old abandoned railways. The route passes through tunnels, bridges and breathtaking canyons!
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The best place to stop to eat on this entire route is Proaza
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Frequently Asked Questions
What are the most notable gorges and natural features in the National Park Ubiñas-La Mesa area?
The region is renowned for its dramatic gorges carved by rivers like the Val de Sampedro. A significant natural feature is the Huerta Cave, a Natural Monument and the largest cave system in Asturias, with extensive galleries stretching for fourteen kilometers. The Valdecerezales Gorge, part of the Senda del Oso, also offers impressive views.
Are there family-friendly options for exploring the gorges?
Yes, the Bear Trail (Senda del Oso) is particularly well-suited for families. It's a former mining railway route, making its slopes gentle and accessible for both walking and cycling. The section from San Andrés to Entrago is a beautiful stretch away from traffic, running next to the Trubia river.
What kind of terrain can I expect when visiting these gorges?
The gorges feature dramatic landscapes with deep valleys and towering limestone walls, characteristic of the Cantabrian Mountains. Trails often follow old railway lines, like the Senda del Oso, which means relatively gentle gradients. However, some paths can be narrow with uneven surfaces, especially on older sections or variants.
What is the Senda del Oso, and what activities can I do there?
The Senda del Oso is a very popular hiking and cycling path that follows an old mining railway route through impressive gorges. It's part of Spain's greenways, passing through tunnels, over bridges, and alongside breathtaking canyons. You can rent bikes locally and enjoy a scenic ride or a leisurely walk.
What outdoor activities are available near the canyons?
Beyond exploring the gorges themselves, the region offers a variety of outdoor activities. You can find numerous hiking trails, including moderate and difficult options like the Valdecerezales Gorge via the Bear Trail or the Camín Real de la Mesa Trail. For runners, there are dedicated routes such as the Senda del Oso (Desfiladero de Valdecerezales).
What is the best time of year to visit the gorges around National Park Ubiñas-La Mesa?
The region's mountainous nature means that spring and autumn generally offer the most pleasant weather for hiking and cycling, with milder temperatures and vibrant natural colors. Summer is also popular, but can be warmer. Winter visits are possible, but some higher trails may be affected by snow and ice.
What wildlife might I encounter in the gorges of Las Ubiñas-La Mesa Natural Park?
The park is a sanctuary for diverse flora and fauna. Visitors have the chance to observe species like the brown bear, golden eagle, Egyptian vulture, otter, and desman. The Huerta Cave itself serves as a refuge for several families of bats, highlighting the area's significant biodiversity.
What do visitors particularly enjoy about the gorges in this region?
Visitors frequently praise the spectacular ravines and the dramatic scenery. The Bear Trail is often highlighted for its beauty, with many enjoying the experience of cycling or walking through tunnels and over bridges. The peacefulness and the opportunity to explore away from motor vehicle traffic are also highly valued.
Are there any circular hiking routes that include the gorges?
Yes, there are several circular routes that allow you to experience the gorges. For instance, the Valdecerezales Gorge via the Bear Trail — circular from Entragu is a moderate 9.6 km hike. Another option is the Senda del Oso with oxen – Huerta Cave loop from Entragu, a more challenging 17.6 km route.
Can I combine a visit to the gorges with cultural or historical exploration?
Absolutely. The landscape of Las Ubiñas-La Mesa has been shaped for centuries by human activity, particularly livestock farming. The area retains significant ethnographic wealth, with local traditions, crafts, gastronomy, and folklore still preserved. Exploring the gorges can be combined with visits to quaint villages along routes like the Senda del Oso, where you can experience this rich cultural heritage.
Are there opportunities for climbing in the gorges?
Yes, the impressive rock walls of the gorges, particularly along sections of the Bear Trail near the Río Teverga, attract climbers. It's common to see people scaling these large walls, making it a popular spot for the sport.
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