4.7
(24)
389
riders
31
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Mountain biking around Os Ancares offers diverse terrain within a UNESCO Biosphere Reserve, spanning the provinces of Lugo and León. The region features a mountainous ecosystem with peaks reaching almost 2,000 meters, alongside valleys carved by rivers. Its rugged landscape includes formations of oak, maple, and birch forests, providing varied environments for mountain bike trails. This area is characterized by significant elevation gains and well-preserved natural features.
Last updated: July 7, 2026
22
riders
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
29.5km
03:01
790m
790m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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29.2km
03:09
1,060m
1,060m
This difficult 18.1-mile mountain biking loop near Baralla offers varied terrain, scenic views along the Nevia River, and a significant elev
36.5km
03:54
1,260m
1,270m
Tackle the difficult 22.7-mile (36.5 km) Asturias and Galicia circular mountain bike route through the scenic Navia river valley.
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
1
riders
35.3km
03:18
1,100m
1,100m
This difficult 22.0-mile mountain biking route from Castelo de Doiras explores the Sierra de Los Ancares, gaining 3622 feet.
31.1km
03:10
1,120m
1,120m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
63.7km
06:39
2,230m
2,240m
This difficult 39.6-mile mountain biking route from Pionedo offers challenging climbs, technical descents, and stunning views in Sierra de L
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
29.4km
02:47
980m
980m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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Popular around Os Ancares
Pedrafita do Cebreiro: a legendary gateway to Galicia on the Camino de Santiago. Between pallozas, fog, and over 1,300 meters of altitude, the pass has been a test for pilgrims and cyclists for centuries. Cyclist's tip: climbing it is tough, but the reward is feeling like you're pedaling with one foot in history.
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Remains of a 14th-century fortress that once stood watch over the Neira Valley. Although in ruins, it still retains the legendary air of the old Galician lineages. Cyclist's tip: the climb is demanding, but arriving and finding this solitary tower makes the journey seem twice as worthwhile.
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Once here, it is advisable to follow the route downriver. You can go back up to the official route 1 km later, or even extend the route to 6-7 km reaching Airixín and the Pena do Inferno river beach.
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Good place for a dip!
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Cozy and small city, ideal for a break along the way and regain strength with good food from the area.
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A port city, Piedrafita is the gateway between Galicia and Castilla y León and the starting point for many adventures along mountain trails.
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Adventure routes in the forest of Os Grobos next to the Navia river in the Cruzul-Agüeira national park.
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Nestled in the landscape of the Navia river valley, the medieval defensive watchtower, the Tower of Doncos is a unique historical complex.
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Mountain biking in Os Ancares is generally challenging, with 11 moderate and 17 difficult routes available. You should expect significant elevation gains and rugged terrain, often traversing mountainous ecosystems and river valleys. For example, the Alto de Pedras Apañadas desde Fonsagrada route involves over 1,900 meters of ascent over 64.5 km.
Yes, Os Ancares offers several long-distance mountain bike routes. The Alto de Pedras Apañadas desde Fonsagrada is a challenging 64.5 km trail, while the Puerta de Ancares Loop covers approximately 63.7 km, both requiring good fitness and advanced riding skills.
Yes, many mountain bike routes in Os Ancares are circular, allowing you to start and finish at the same point. Examples include the Alto de Pedras Apañadas desde Fonsagrada, Alto das Penas desde Baleira, and Pico dos Tres Bispos Loop Trail.
Os Ancares is a UNESCO Biosphere Reserve known for its rich biodiversity. While mountain biking, you might encounter various wildlife, including roe deer, otters, and a wide array of birds of prey like the golden eagle and peregrine falcon. The region is also a crucial habitat for brown bears and wolves, though sightings of these larger animals are less common.
Os Ancares offers stunning natural features. You can explore dramatic mountainous ecosystems with peaks like Pico dos Tres Bispos and Pedras Apañadas Summit, river valleys, and diverse forests of oak, maple, and birch. Higher elevations reveal glacial cirques and lagoons. The Ascent to Puerto de Ancares offers breathtaking scenery.
Yes, Os Ancares has a rich cultural heritage. You can find traditional 'pallozas'—circular, thatched-roof huts of Celtic origin—some of which are ethnographic museums. Medieval castles in places like Doiras and Villafranca del Bierzo offer historical intrigue. Additionally, sections of the historic Camino de Santiago traverse the region, providing further points of interest.
Given its mountainous terrain, the best time for mountain biking in Os Ancares is typically from late spring through early autumn (May to October). During these months, the weather is generally more stable, and trails are less likely to be affected by snow or heavy rain, allowing for better riding conditions and access to higher elevations.
The region is known for its well-preserved natural environment. Roads in the area are generally in very good condition, and due to the isolated nature of the region, you can expect very little traffic, enhancing the biking experience. Trails vary from rugged mountain paths to forest tracks.
The mountain bike routes in Os Ancares are highly rated by the komoot community, with an average score of 4.6 stars from over 10 reviews. Riders often praise the challenging terrain, the stunning natural landscapes, and the sense of adventure offered by the region's diverse trails.
Yes, the rugged terrain of Os Ancares includes a series of valleys carved by rivers like the Burbia, Ancares, Cúa, Navia, Ser, and Rao. Some routes, such as Paradela y Penamil desde A Pobra — circular del río Navia, specifically follow river courses, offering scenic rides through these natural corridors.
While Os Ancares is primarily known for its moderate to difficult mountain bike trails, with no routes classified as 'easy' in our guide, some families with older, experienced children might find the moderate trails manageable. These routes still feature significant elevation changes, so they are best suited for those accustomed to mountain biking.
Os Ancares is a relatively isolated mountainous region, and public transport options to access specific trailheads can be limited. It is generally advisable to plan your trip with private transportation to ensure flexibility and direct access to the starting points of the mountain bike routes.


Check out more MTB trails throughout Os Ancares below and find the perfect route in your destination.