4.9
(5)
75
riders
5
rides
Gravel biking around Santo Adriano offers varied terrain, characterized by significant elevation changes and river valleys. The municipality features a mix of landscapes, with much of its area between 400 and 800 meters high, including peaks over 800 meters. The Trubia River carves a fertile valley at 140 meters, fed by numerous streams, and the region is known for its lush vegetation, including oak and chestnut trees. The Senda del Oso, a converted railway path, provides a key route for gravel cyclists.
Last updated: July 8, 2026
34
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.5
(2)
22
riders
44.8km
02:55
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
6
riders
35.3km
02:47
500m
500m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
7
riders
32.7km
02:04
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
17.4km
01:49
950m
950m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The climb to the Angliru is one of the most famous and legendary ascents in the history of the Vuelta a España. Its impossible curves and inclines make it incredibly difficult to tackle by bicycle. The spectacle for the fans during the races is unbelievable.
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It's very interesting to take a look at
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Very interesting to visit
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Spectacular view
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One of the toughest climbs in Europe, try to save your strength, the hard part is at the end.
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Only the most avid cyclists dare to climb this plain in the middle of nowhere. The satisfaction of summiting this extremely tough pass and taking in the views is within reach of only a few.
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Stop for a moment to contemplate the colossus
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Gravel biking in Santo Adriano offers a diverse landscape, from the fertile valley of the Trubia River at 140 meters to significant elevation changes with peaks over 800 meters. You'll encounter converted railway paths, scenic river valleys, and mountainous sections, often featuring lush vegetation like oak and chestnut trees.
While many routes in Santo Adriano present significant climbs, the region is known for the Senda del Oso (Bear's Path), a greenway built on an old mining railway. This path is relatively smooth and accessible, making it suitable for families. You can even spot protected Cantabrian brown bears along the route.
The region is rich in natural and historical sights. Along your rides, you might encounter the stunning Desfiladero de Peñas Juntas on the Senda del Oso, the historic Ponte de Galiñeiro, or the impressive Route of the Xanas gorge. The area also features the Pre-Romanesque Church of Santo Adriano de Tuñón and the Medieval Bridge in Villanueva.
Yes, there are several circular routes that allow you to explore the region's heritage and natural beauty. For instance, the Stone Bridge of Proaza – Mine Railway Tunnel loop from Las Campas/Les Campes is a challenging 34.4-mile (55.4 km) loop. Another option is the Mine Railway Tunnel – Stone Bridge of Proaza loop from Proaza, which is 27.8 miles (44.8 km).
The gravel biking routes in Santo Adriano are generally considered challenging, with many presenting significant climbs due to the varied topography. For example, the Gravel tour to the Natural Park of Las Ubiñas-La Mesa along the Senda del Oso (Bear Trail) involves over 1800 meters of elevation gain over 45 miles (72.5 km).
The Senda del Oso is a key access point, with bicycle rental services and parking available at the BTT Valles del Oso Center located next to the 'Ruta del Oso' parking area in Tuñón. Tuñón also serves as a recreational area on the banks of the Trubia River, offering good access to the trails.
Yes, the region boasts natural beauty including waterfalls and scenic viewpoints. You can visit the Guanga Waterfalls and enjoy panoramic views from spots like the Mirador de la Peñona, offering rewarding sights during your ride.
The gravel biking experience in Santo Adriano is highly regarded by the komoot community, with an average rating of 4.7 stars from over 10 reviews. Many visitors praise the varied terrain, the historical significance of routes like the Senda del Oso, and the natural beauty of the Asturian landscape.
Santo Adriano offers recreational areas like Tuñón and Buyera, which are good spots for a break. These areas, often located along the Trubia River and near trailheads like the Senda del Oso, provide amenities and opportunities for refreshments. The villages along the routes may also offer local establishments.
The longest gravel bike route featured is the Gravel tour to the Natural Park of Las Ubiñas-La Mesa along the Senda del Oso (Bear Trail), spanning 45.0 miles (72.5 km). This route offers extensive views and a challenging ride through the region.
Absolutely. Santo Adriano is a hub for outdoor activities. The Senda del Oso is popular for both cycling and hiking, and the Ruta de Las Xanas is a well-known hiking trail through an impressive mountain gorge. The diverse landscapes also support general hiking and exploring the rich natural features of Asturias.
Santo Adriano stands out due to its blend of converted railway paths like the Senda del Oso, scenic river valleys, and challenging mountainous terrain. The region's rich ecological value, with abundant meadows, oak, and chestnut trees, combined with historical sites, creates a unique and rewarding gravel biking experience.


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