4.8
(167)
1,950
hikers
43
hikes
Hiking around Embalse de Llauset, situated at 2,200 meters in the Aragonese Pyrenees, features a high-mountain environment shaped by glacial landscapes and rugged peaks. The area is defined by the embalse, originally a glacial ibón, and is surrounded by majestic summits such as Pico Vallibierna, with views extending to the Aneto massif. Numerous other glacial lakes, known as ibones, dot the region, contributing to a diverse terrain that ranges from easy paths to challenging ascents through steep slopes and rocky areas.
Last updated: June 23, 2026
4.4
(7)
68
hikers
7.95km
03:48
520m
530m
Hike the difficult 4.9-mile Refugio de Cap de Llauset circular by the GR 11 for stunning Pyrenean views and high-mountain terrain.
4.7
(3)
90
hikers
6.17km
02:40
320m
320m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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4.5
(2)
8
hikers
17.2km
07:59
1,370m
1,370m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
20
hikers
8.76km
04:21
610m
610m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
15
hikers
14.3km
07:56
1,100m
1,100m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Look at the calcareous and ferrous sediments.
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This modern refuge is located in an unrivalled location. In addition to offering accommodation, it has an open kitchen, food service, bar, toilets, hot showers and heating.
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This modern refuge is located in an unrivalled location. In addition to offering accommodation, it has an open kitchen, food service, bar, toilets, hot showers and heating.
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Natural passage from the area of Llauset to the one of Vallibierna (GR-11).
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New shelter within the GR-11 route surrounded by several three-thousanders and peaks of more than 2,800 m and several free shelters
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When you hear the word "Aneto", you probably think of the mountain, the highest peak in the Pyrenees and the second in the entire peninsula. But at the foot of this majestic mountain is also the town of Aneto, a charming mountain town located in the Noguera Ribagorzana valley. The views of the snow-capped peaks as you stroll through the cobblestone streets of the town are simply magical.
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The Vallibierna pass is located at an altitude of 2,710 metres. On one side of the pass are the two lakes of Vallibierna, and on the other, the refuge of Cap de Llauset.
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All the Aragonese lakes are protected as they are included in the Inventory of Singular Wetlands, so any activity that could modify the quality of their waters is prohibited. While bathing is not specifically mentioned, it is understood that bathing with chemicals on the skin such as sunscreens, deodorants, perfumes or creams is negatively affecting the quality of the water, so it cannot be done. You can read the protection decree and the list of wetlands included here: boa.aragon.es/cgi-bin/EBOA/BRSCGI?CMD=VEROBJ&MLKOB=558856590404
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The terrain around Embalse de Llauset is characteristic of a high-mountain, glacial environment in the Pyrenees. You'll encounter a variety of landscapes, from relatively easy paths bordering the reservoir to more challenging ascents through steep slopes, alpine meadows, and rocky areas. Given the elevation of 2,200 meters, some routes might even feature snow patches early in the summer season.
While many trails in Embalse de Llauset are moderate to difficult, there is at least one easy route available. These trails typically offer a gentler introduction to the high-mountain scenery without demanding significant elevation gain or technical skill.
Yes, the region offers several circular routes. A popular option is the Llauset Lakes Loop, which is a difficult 7.9 km trail exploring the glacial lakes and high-mountain scenery. Another challenging circular option is the Cap de Llauset Refuge – Llauset Reservoir loop from Llauset, covering 10.2 km.
Beyond the Embalse de Llauset itself, the area is rich with natural beauty. You'll find numerous other glacial lakes, known as ibones, such as Ibón de Botornás and Ibones de Cap de Angliós. The landscape is dominated by majestic Pyrenean peaks, including Pico Vallibierna (3,056 meters), and on clear days, you can often catch views of the Aneto massif, the highest peak in the Pyrenees.
Yes, the Refugio Cap de Llauset is a modern mountain hut situated at 2,425 meters. It serves as a vital base for hikers, providing shelter, food, and a place to rest, especially for those undertaking longer excursions into the surrounding peaks and valleys. You can reach it via a moderate 6.2 km path from the embalse.
There are over 40 hiking trails available around Embalse de Llauset, catering to various fitness levels. This includes 1 easy route, 15 moderate routes, and 28 difficult routes, offering a wide range of options for exploration.
The routes in Embalse de Llauset are highly rated by the komoot community, with an average score of 4.8 stars from nearly 200 reviews. Hikers frequently praise the stunning glacial landscapes, the challenging yet rewarding ascents, and the breathtaking views of the Pyrenean peaks and numerous ibones.
Yes, Embalse de Llauset is located directly on the GR 11, which is a significant long-distance trail that traverses the entire Pyrenees. This makes it a crucial point for multi-day treks and offers access to a well-established network of paths for extended adventures. One route, Embalse de Llauset - Village of Aneto - link GR 11 and GR 18, specifically highlights this connection.
The best time to hike in Embalse de Llauset is generally from late spring to early autumn (June to September) when the snow has largely melted, and the weather is more stable. However, even in early summer, some higher routes might still have snow patches, requiring appropriate gear. Always check local weather and trail conditions before heading out.
Absolutely. Embalse de Llauset is known for its challenging high-mountain routes. For instance, the Llauset Reservoir – Vallibierna Pass loop from Llauset is a difficult 14.3 km trail with significant elevation gain, offering spectacular panoramic views and a true Pyrenean experience.
Yes, there is parking available at Embalse de Llauset. The journey to the embalse itself involves a mountain road with hairpin bends and a long tunnel, adding to the sense of adventure before you even start your hike. It's advisable to arrive early during peak season as parking can fill up.


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