Best lakes around Sesué are situated in the Benasque Valley, an area known for its Pyrenean landscapes and diverse water bodies. This region features both natural glacial lakes, locally known as ibones, and man-made reservoirs. The terrain is characterized by high peaks and clear glacial cirques, offering various exploration opportunities. These lakes are integral to the local ecosystem and hydroelectric infrastructure.
Last updated: April 25, 2026
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Beautiful lake and views. A bit crowded in August.
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Despite being relatively easy to access, this beautiful lake located at 2300 m altitude is not one of the most visited in the Pyrenees. However, it stands out for being located in a very clear glacial cirque, with an almost perfect overexcavation basin. All 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 sunscreen, 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: aragon.es/-/humedales-de-aragon
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Despite being relatively easy to access, this beautiful lake located at 2300 m altitude is not one of the most visited in the Pyrenees. However, it stands out for being located in a very clear glacial cirque, with an almost perfect overexcavation basin. All 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 sunscreen, 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: aragon.es/-/humedales-de-aragon
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Currently called Lake Eriste, it has also been known as the Eriste or Linsoles Reservoir. It was built in the 1960s as part of the creation of the Eriste Hydroelectric Power Station, although its function is to collect water from the power station and accumulate it for the Sesué generating station. A pleasant path runs along its left bank with numerous benches and picnic tables where you can make stops.
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The Linsoles Reservoir is a small reservoir that is located very close to the town of Eriste, and where the waters of the Ésera river, coming from the Maladeta massif, come from.
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The first ibón that you find on this route, although it is half camouflaged among the vegetation. Next to the path there is a stone hut that is a bit dirty but that can serve as a shelter in case of need.
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The Linsoles (or Eriste) Reservoir was built in the 1960s to collect the water channeled through the mountain to power the Eriste hydroelectric power station. It is one of the 3 reservoirs of the Ésera river in the Benasque valley.
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Yes, several lakes around Sesué are suitable for families. Linsoles Reservoir and Lago de Eriste (which are the same body of water) are excellent choices. They feature a pleasant path along the left bank with numerous benches and picnic tables, making them ideal for a relaxed outing with children.
The lakes around Sesué, located in the Benasque Valley, offer diverse natural landscapes. You'll find stunning Pyrenean scenery, including high peaks, clear glacial cirques, and waterfalls. For instance, Ibón de la Escarpinosa is known for its scenic beauty under the Agulles de Perramó and is fed by a waterfall. Ibonet de Batisielles is surrounded by lush green landscapes.
Yes, Ibón del Sen is considered a beautiful hidden gem. Despite being relatively easy to access at 2300 meters altitude, it's not as frequently visited as some other Pyrenean lakes. It stands out for its location in a very clear glacial cirque with an almost perfect overexcavation basin.
The Benasque Valley, where Sesué is located, is generally best visited from late spring to early autumn (May to October) for hiking and enjoying the lakes. During these months, the weather is milder, and trails are typically clear of snow. Summer (July-August) can be popular, so expect more visitors at places like Ibón de la Escarpinosa.
While the lakes are beautiful, all Aragonese lakes, including those around Sesué, are protected as Singular Wetlands. Activities that could modify water quality are prohibited. This means bathing with chemicals like sunscreen, deodorants, perfumes, or creams is understood to negatively affect water quality and should not be done. It's best to admire these natural treasures without entering the water.
Yes, there are options for beginners. The path along Lago de Eriste (also known as Linsoles Reservoir) offers a pleasant and easy walk with amenities like benches and picnic tables. For more extensive hiking, you can explore the Mountain Hikes around Sesué guide, which includes moderate routes like the Santa Ana Hut – Ibonet and Batisielles hut loop from Aparcamiento de Estós.
Beyond visiting the lakes, the Sesué area offers a variety of outdoor activities. You can find numerous mountain hikes, including routes to high-altitude ibones. There are also extensive options for road cycling and general cycling tours through the Benasque Valley.
Yes, for those venturing into the mountains, there are refuges. Near Ibonet de Batisielles, you'll find the Batisielles cabin, which can serve as a shelter in case of need. This area is also a common route to the Angel Orus Refuge, following the GR 11.2.
Given the Pyrenean environment, it's advisable to dress in layers, even in summer, as weather can change quickly. Essential gear includes sturdy hiking boots, waterproof and windproof outerwear, and sun protection. For higher altitude lakes like Ibón del Sen, warmer clothing might be necessary, especially outside peak summer months.
While specific public transport routes directly to all lake trailheads can be limited, the Benasque Valley generally has some bus services connecting major towns. For detailed information on reaching specific trailheads or lakes by public transport, it's best to check local bus schedules and services operating within the Benasque Valley, especially during the high season.
Generally, dogs are permitted on trails in the Pyrenees, but it's crucial to keep them on a leash to protect wildlife and livestock. Always check specific park or natural area regulations, as some protected areas may have restrictions. Remember to carry waste bags and ensure your dog doesn't disturb the natural environment or other visitors.
For photography, Ibón de la Escarpinosa is highly recommended for its postcard-perfect views under the Agulles de Perramó and its feeding waterfall. Ibonet de Batisielles is also considered one of the most beautiful in the Benasque Valley, with its green meadows and surrounding peaks.


Still not found your perfect lake around Sesué? Check out the guides of these regions to see even more beautiful places.