4.8
(6)
105
riders
12
rides
Gravel biking around Riosa offers a challenging experience across a rugged landscape characterized by mountains, deep valleys, and varied terrain. The region, part of the Aramo Range, features extensive natural paths, including mountain passes and canyons. Cyclists can expect mixed-surface routes that combine paved and unpaved sections, often with significant elevation gains. Riverside trails also provide opportunities for exploration amidst Riosa's natural beauty.
Last updated: October 11, 2026
35
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
115km
10:01
3,830m
3,830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.5
(4)
25
riders
45.5km
03:00
540m
540m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
8
riders
23.4km
01:56
380m
380m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
9
riders
34.0km
03:18
1,030m
1,030m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Spectacular view
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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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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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Riosa offers a selection of 12 gravel bike trails, catering primarily to experienced riders. These routes navigate the rugged landscapes of the Aramo Range, providing diverse and challenging experiences.
You can expect a varied and challenging terrain in Riosa, characterized by rugged mountains, deep valleys, and extensive natural paths. Routes often feature a mix of paved and unpaved sections, including mountain passes, canyons, and scenic riverside trails. The region's past in mining also adds a unique backdrop to some routes.
Yes, Riosa is renowned for its challenging cycling terrain, often referred to as the 'Olympus of Cycling.' Most of the gravel routes here are rated as difficult, featuring significant elevation gains and demanding surfaces. For example, the Gravel route through the mines and mountains of Asturias covers over 115 km with nearly 4000 meters of elevation gain.
While gravel biking in Riosa, you can explore stunning natural features such as deep gorges and towering mountain peaks. Notable highlights include the dramatic Route of the Xanas and the Desfiladero de Peñas Juntas on the Senda del Oso. You can also encounter impressive summits like Alto de Gamoniteiro and El Escobín (Picayu) Summit.
Yes, Riosa offers several loop trails for gravel bikers. A popular option is the Mine Railway Tunnel – Stone Bridge of Proaza loop from Proaza, which is about 45 km long and takes around 3.5 hours to complete, taking you through historical mining areas.
Given the rugged and mountainous nature of Riosa, the best seasons for gravel biking are typically spring and autumn. During these times, the weather is generally milder, and the natural beauty of the Aramo Range is at its peak. Summer can also be suitable, but be prepared for potentially higher temperatures, especially on longer climbs. Winter can bring snow and more challenging conditions at higher elevations.
The gravel bike routes in Riosa are generally quite challenging, with most rated as difficult due to significant elevation changes and mixed terrain. There are no routes specifically categorized as easy. However, some sections of longer routes or trails like the Senda del Oso might offer more manageable segments for families with older, experienced children, but full routes require good fitness.
While many outdoor areas in Asturias are dog-friendly, it's always advisable to check specific regulations for natural parks or protected areas you plan to enter, such as the Natural Park of Las Ubiñas-La Mesa. Generally, dogs are welcome on trails if kept under control, but ensure they are fit enough for the demanding terrain and carry enough water for them.
The gravel biking experience in Riosa is highly regarded by the komoot community, with an average rating of 4.5 stars from 2 reviews. Over 50 gravel bikers have used komoot to explore the region, often praising the challenging nature of the routes and the stunning, rugged mountain scenery.
The durations for gravel bike routes in Riosa vary significantly based on distance and elevation. For instance, the Gravel tour to the Natural Park of Las Ubiñas-La Mesa along the Senda del Oso (Bear Trail) is a substantial 72.5 km ride that typically takes over 8 hours. Shorter loops, like the Mine Railway Tunnel – Stone Bridge of Proaza loop from Proaza, can be completed in about 3.5 hours.
While Riosa is accessible, public transport options directly to all trailheads might be limited due to the region's mountainous and rural nature. It's recommended to research local bus services to nearby towns like Mieres del Camín or Pola de Lena, and then consider cycling or arranging local transport to reach specific starting points. Parking is generally available in the main villages.
You'll find amenities such as cafes, pubs, and accommodation primarily in the larger towns and villages surrounding the Riosa area, such as Riosa itself, Mieres del Camín, or Pola de Lena. These towns offer places to refuel and rest after your rides. Along the trails, especially in more remote mountain sections, services will be scarce, so plan accordingly with water and snacks.


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