4.0
(1)
85
riders
15
rides
Gravel biking around Samartín Del Rei Aurelio, nestled in Asturias, Spain, offers diverse terrain for cyclists. The region is characterized by its mountainous and valley landscapes, with the Nalón River carving through the area, providing scenic routes. Cyclists can expect a mix of ascents, descents, and flatter sections, often traversing old railway tracks and forest paths. This varied topography, set within the Protected Landscape of the Cuencas Mineras, makes it suitable for mixed-surface gravel exploration.
Last updated: August 12, 2026
9
riders
70.4km
05:48
1,730m
1,730m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
78.1km
05:17
1,300m
1,300m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
riders
36.1km
03:15
970m
970m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
3
riders
35.2km
03:00
1,110m
1,110m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
81.0km
06:05
1,770m
1,770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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10 km pass with a gentle average gradient and a maximum of less than 10%, with spectacular views.
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El bosque de los Picuetos is a fayeu, at the foot of the Sierra de Peñamayor. Whenever you visit, it is magical, especially in autumn
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Great spot to admire the scenery and take photos
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A nice climb but some of the slopes are for gravel, not for road bikes.
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spectacular place
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Bring patches, the road that goes up through Resellon is very, very broken.
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There are several dedicated traffic-free gravel bike trails in Samartín Del Rei Aurelio, offering a range of experiences. This guide features 8 routes, with options for both moderate and difficult rides, ensuring a suitable challenge for various skill levels.
While many routes in the region offer a good challenge, the iconic Senda del Oso (Bear's Trail) is particularly well-suited for families and beginners. This old mining train track, now a greenway, provides a gentle elevation change and a safe, traffic-free environment along the Nalón River, making it ideal for a relaxed gravel ride. It's known for its tunnels and bridges, adding an adventurous touch.
The terrain is wonderfully varied, reflecting the region's diverse landscape. You'll encounter everything from converted railway lines like the Senda del Oso, offering smooth gravel, to more challenging mountain paths with mixed surfaces, ascents, and descents. Routes like the climb towards Puerto de Ventana feature dramatic gorges, tunnels, and steady inclines, providing a true gravel biking experience.
Samartín Del Rei Aurelio is rich in natural beauty. Along your rides, you might encounter highlights such as the Fuensanta Natural Mineral Spring or enjoy panoramic views from the View of the forest near Bocarreal. The region is part of the Protected Landscape of the Cuencas Mineras, ensuring stunning natural backdrops of mountains, valleys, and the Nalón River.
Yes, many of the gravel routes in the area are designed as loops, allowing you to start and finish in the same location. Examples include the challenging Senda de La Baua – Campa Fresneo loop from Blimea or the MTB Les Praeres loop from Sotrondio, offering comprehensive tours of the local landscape.
The spring and autumn months generally offer the most pleasant conditions for gravel biking in Samartín Del Rei Aurelio. The weather is typically mild, and the natural scenery is at its most vibrant. Summer can also be enjoyable, especially in the mornings or late afternoons, but be prepared for warmer temperatures. Winter rides are possible but may involve colder weather and potentially wet or muddy sections, especially at higher elevations.
While specific public transport options for bikes can vary, the region is generally well-connected. For popular routes like the Senda del Oso, there are often services that cater to cyclists, especially during peak seasons. It's advisable to check local bus or train schedules and their bike policies in advance, particularly for routes starting from towns like Blimea or Sotrondio.
Absolutely. For experienced gravel bikers seeking a challenge, routes like the Carbayín Alto – La Camperona loop from Blimea offer significant elevation gains and technical sections. The climb to Puerto de Ventana, while not a single komoot route in this guide, is a well-known challenging segment in the area, featuring steep inclines and rewarding mountain views.
Many of the trailheads and starting points in towns like Blimea, Sotrondio, or Nava offer convenient parking facilities. Recreational areas such as La Isla, La Colladiella, and Polaúra also provide amenities and parking, serving as excellent bases for your gravel biking adventures. For specific routes, checking the tour details on komoot will often provide information on suitable parking spots.
Beyond natural beauty, Samartín Del Rei Aurelio boasts a rich industrial heritage. As you ride through towns like L'Entregu/El Entrego, Sotrondio, and Blimea, you'll encounter vestiges of the region's mining past, including unique industrial archaeology and architecture. The Recuna Medieval Bridge is another historical landmark worth noting.
Yes, for a moderately challenging yet rewarding ride, consider the Quintana – Nava loop from Nava. This route offers a good distance with manageable elevation changes, making it perfect for those looking for a longer, enjoyable gravel experience without extreme difficulty.


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