4.9
(5)
72
riders
4
rides
Gravel biking around Proaza offers routes through verdant landscapes shaped by the Trubia River and its fertile valley. The region features significant natural elements such as gorges, including Peñas Juntas, and disused mining railway lines like the Senda del Oso. These paths traverse a varied terrain of mountains, valleys, and forests, characteristic of Asturias's rugged beauty.
Last updated: July 2, 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.
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.
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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Enjoy the view, it's almost the only place to see it from above.
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Proaza offers a selection of over 4 gravel bike trails, primarily featuring challenging routes through its diverse landscapes. These trails are highly rated by the komoot community, indicating a rewarding experience for those exploring the region.
The most enjoyable seasons for gravel biking in Proaza are spring, summer, and autumn. Each season presents unique natural beauty, with lush green landscapes in spring and summer, and vibrant colors in autumn. Winter conditions can be more challenging due to the rugged terrain of Asturias.
While many routes in Proaza are rated as difficult, the region's star attraction, the Senda del Oso (Bear's Trail), offers sections that are relatively gentle with slight elevation differences. This disused railway line is generally accessible, though some connected routes can be more challenging. It's advisable to check individual route details for specific difficulty levels.
The Senda del Oso is an excellent option for families, as it follows a disused railway line, making it generally flat and suitable for various skill levels. Sections like the 6 km stretch from Tuñón to Proaza or the 8 km path from Proaza to Valdemurio are good choices. The trail is even equipped with gravel bike rental services, making it convenient for a family outing.
Yes, Proaza offers several circular gravel bike routes. For example, you can explore the Mine Railway Tunnel – Stone Bridge of Proaza loop from Proaza, a challenging 44.8 km route, or the Stone Bridge of Proaza – Peñas Juntas Gorge loop from Trubia, which is 35.3 km long. Another option is the Bear Trail – Vicenturio High Pasture loop from Samartín, a 29.7 km loop.
Proaza is located in the 'Valley of the Bear' and is deeply involved in the conservation of the endangered Cantabrian brown bear. While spotting wild bears is rare, you can visit the bear enclosure about 1 km from Proaza, where rescued bears like Paca and Molina can sometimes be seen. The region's rich biodiversity also means you might encounter various bird species and other local fauna in its verdant landscapes.
Absolutely. Many routes follow the Trubia River, offering views of its fertile valley. The Stone Bridge of Proaza – Peñas Juntas Gorge loop from Trubia takes you through the prominent Peñas Juntas Gorge. You can also visit the Sanctuary of the Virgin of Alba or explore the Alto de Gamoniteiro, a significant peak in the area.
While specific public transport details for trailheads can vary, Proaza is a municipality in Asturias, a region with some public transport infrastructure. For the Senda del Oso, which runs through the heart of Proaza, it's advisable to check local bus schedules to nearby towns like Tuñón or Trubia, which serve as common starting points. Some gravel bike rental services are also available in the area.
The Buyera recreational area, located near Proaza, is a convenient spot for cyclists as it offers dedicated parking facilities. This area also provides sports facilities and dining options, making it a practical starting or ending point for your gravel biking adventure.
The gravel bike trails in Proaza are highly rated by the komoot community, with an average score of 4.8 stars from over 4 reviews. Reviewers often praise the region's green valleys, river paths along the Trubia, and the adventurous routes through gorges and disused railway lines, highlighting the challenging yet rewarding terrain.
The Senda del Oso, being a popular route, has several points of interest along its path. The Buyera recreational area near Proaza is a known stop offering dining options. Additionally, Proaza itself is a town with amenities, and other villages along the Senda del Oso, such as Tuñón or Entrago, may offer local cafes or restaurants for a refreshing break.
Gravel bike trails in Proaza vary in length and duration, catering to different levels of endurance. For instance, the Gravel tour to the Natural Park of Las Ubiñas-La Mesa along the Senda del Oso is a substantial 72.5 km route, typically taking over 8 hours. Shorter options include the Mine Railway Tunnel – Stone Bridge of Proaza loop from Proaza at 44.8 km, or the Stone Bridge of Proaza – Peñas Juntas Gorge loop from Trubia, which is 35.3 km and can be completed in about 3 hours 15 minutes.
Yes, Proaza is well-suited for experienced gravel bikers seeking a challenge. All listed routes are rated as difficult, featuring significant elevation gains and varied terrain. The Gravel tour to the Natural Park of Las Ubiñas-La Mesa along the Senda del Oso, for example, involves over 1800 meters of elevation gain over 72.5 km, offering a demanding ride through Asturias's rugged beauty.


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