4.7
(83)
2,702
riders
55
rides
Mountain bike trails around Lac Tòrt d'Arrius are set within the glacial landscape of the Spanish Pyrenees, specifically the Val d'Aran region. This area features a varied terrain with dense forests, expansive high mountain meadows, and distinct alpine characteristics. Mountain biking here includes both paved and challenging unpaved sections, offering a mix of enduro and all-mountain oriented trails. The region's high-altitude environment provides significant elevation changes and long descents.
Last updated: May 23, 2026
3.5
(2)
191
riders
40.8km
04:08
1,270m
1,270m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
5.0
(6)
185
riders
24.3km
02:25
820m
820m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.3
(3)
156
riders
54.0km
05:00
1,360m
1,360m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
5.0
(1)
61
riders
18.7km
01:46
670m
670m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
42
riders
13.5km
01:42
640m
640m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Spectacular landscapes, 360º views everywhere you look is worth it.
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Great walk accessible to everyone, magnificent panorama
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In fact, for the Aranese of the Val d'Aran, the real source, the Uelh dera Garona (eye of the Garonne), is located in the pastures of Plã de Béret, near the Baqueira Beret ski resort, therefore after Viehla BUT according to Norbert Casteret (search for the source with dyes in the 1930s), the main source is located to the east of the Maladeta massif, in Aragon, from the northern and eastern snowfields of the Aneto peak, whose water rushes into the Forau d'Aigualluts or Toro hole (altitude: 2,074 m), to change valleys by a resurgence at the Uelhs de Joeu (Eyes of the Jew) (at 1,658 m). It is at Plan dera Artiga de Lin (at the bottom of the small, almost uninhabited valley starting after the village of Es Bordes (instead of continuing on Viehla, leave the road on the right at Es Bordes to enter this small valley at the bottom of which is the resurgence)
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Beautiful church that is located in the town of Guasach and that forms one of the towns close to the capital, Vielha. From the road that takes us straight to the church itself, you can see impressive views of the valley and the city of Vielha as a whole.
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If you like mountain biking and narrow trails, you will love this route through the Garonne. It is a path with spectacular views of the riverbed and very easy to navigate.
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The Lac Tòrt d'Arrius area, within the Val d'Aran, offers a wide selection of mountain bike routes. Komoot lists over 50 distinct trails, catering to various skill levels. The broader Val d'Aran region boasts over 400 kilometers of marked mountain biking routes.
You can expect a diverse range of terrain, from dense forests and expansive high-mountain meadows to craggy grey rocks and glacial landscapes. Trails include both paved and challenging unpaved sections, offering a mix of enduro and all-mountain oriented experiences with significant elevation changes and long descents.
While many routes in the immediate vicinity of Lac Tòrt d'Arrius are rated difficult, the broader Val d'Aran region offers routes for all skill levels, including easier trails suitable for families. There are 5 easy and 16 moderate routes listed on komoot for the area, providing options for less experienced riders.
The cycling season in the Val d'Aran extends from the thaw, typically in late spring or early summer, until the first snowfall, usually in late autumn. This long period allows for ample enjoyment of the trails, with summer offering the most consistent conditions.
Lac Tòrt d'Arrius is located in the peripheral zone of the Aigüestortes i Sant Maurici National Park. While specific regulations for dogs on mountain bike trails can vary, generally, dogs are permitted in the peripheral zone but may need to be on a leash. Always check local signage and park regulations before heading out with your dog.
Yes, many of the popular mountain bike routes in the area are circular. For example, the Trail along the Garona River – Aiguamòg Reservoir loop from Vielha and the Bassa d'Oles – Bassa d'Oles loop from Vielha are both highly-rated loop trails.
While direct parking at Lac Tòrt d'Arrius itself might be limited due to its high-altitude glacial location, the Val d'Aran region, particularly towns like Vielha, serve as excellent starting points for many mountain bike routes and offer various parking options. It's advisable to check specific trailhead information for parking availability.
The Val d'Aran region has some public transport options connecting its towns. However, reaching specific high-mountain trailheads, especially those closer to Lac Tòrt d'Arrius, might require private transport or a shuttle service. It's best to research local bus schedules for the specific area you plan to ride.
The mountain bike trails around Lac Tòrt d'Arrius are highly rated by the komoot community, with an average score of 4.7 stars from over 80 reviews. Riders often praise the stunning glacial landscapes, the challenging technical sections, and the rewarding panoramic views of the Pyrenees.
Absolutely. The region is well-known for its challenging routes. Out of the 56 trails listed, 35 are rated as difficult, featuring significant elevation gains, technical descents, and varied terrain. Routes like the Bossòst – Arres Pond loop from Vielha offer substantial climbs and distances for experienced riders.
Yes, the Val d'Aran is a major cycling destination, and you can find several shops offering mountain bike and electric mountain bike rentals. Renting an e-bike can be a great way to explore the extensive network of trails and tackle some of the more challenging ascents with less effort.
Many routes in the area offer breathtaking views of the Pyrenees, glacial lakes, and alpine meadows. The Garonne River – Bassa d'Oles loop from Vielha, for instance, provides scenic vistas as it winds through the landscape, showcasing the region's natural beauty.


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