Best lakes around National Park Posets-Maladeta are primarily glacial lakes, known locally as "ibones," situated in the Aragonese Pyrenees. This region is characterized by its high-altitude mountain landscape and numerous natural water bodies formed during the ice age. The park contains nearly a hundred such lakes, which are valued for their ecological significance. These lakes offer varied experiences for visitors exploring the natural features of the area.
Last updated: July 1, 2026
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Popular around National Park Posets-Maladeta
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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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By mountain bike it is not too difficult to get here. You could probably do it on a gravel bike too. The views are wonderful and worth the trip. Sometimes food is sold here and a bus comes here.
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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 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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For a more relaxed visit, consider the Ibones de Villamuerta, praised for their beauty and ease of access. The Ibonet de Batisielles is also relatively easy to reach and is often surrounded by lush greenery. The Ibón de Plan (Basa de la Mora) is another sizable lake accessible via several easy routes, and the Barbarisa ibones offer a well-signposted trail suitable for families with some mountain hiking experience.
Yes, for a more challenging trek, the Ibón Blanco de Literola in the Benasque Valley offers incredible routes winding through the Remuñé Valley or Literola Valley, framed by imposing 3000-meter peaks. Even in summer, you might encounter snow or ice near the lake.
The lakes, known as "ibones," are primarily glacial lakes formed during the ice age, offering breathtaking beauty and ecological significance. You'll find clear waters reflecting surrounding trees and mountain peaks, massive rock formations, pine forests, and verdant meadows. Some, like Ibón del Sen, are located within very clear glacial cirques with almost perfectly excavated basins.
Swimming is generally not permitted in these clear waters. All Aragonese lakes, including Ibón de Gorgutes and Ibón del Sen, are protected as part of the Inventory of Singular Wetlands. Activities that could modify water quality, such as bathing with chemicals like sunscreen or perfumes, are prohibited to preserve the delicate ecosystem.
The region offers a variety of outdoor activities. You can embark on mountain hikes, with routes like the challenging "Broken Metal Footbridge – Posets Summit (3,369 m) loop from Espigantosa" or the "Santa Ana Hut – Ibonet and Batisielles hut loop from Aparcamiento de Estós." For cycling enthusiasts, there are road cycling routes such as the "Hospital de Benasque – Historic Center of Benasque loop" and touring bicycle options like the "Camping Aneto loop from Benasque." You can find more details on these activities in the Mountain Hikes, Road Cycling Routes, and Cycling guides for the area.
Yes, the Cap de Llauset Refuge is a modern facility located between lakes and streams, offering accommodation, an open kitchen, food service, a bar, toilets, hot showers, and heating. Near Ibonet de Batisielles, you'll find the Cabana de Batisielles, which can serve as a shelter.
Many lakes offer stunning photographic opportunities. The Ibón de Escarpinosa is considered a true gem, with beautiful views where surrounding trees and mountain peaks reflect in its calm waters. The Ibonet de Batisielles, set in a green meadow with high peaks, is also highly photogenic. The Llauset Reservoir and Ibón de Llauset offer a fantastic circular hike through pristine landscapes with surprisingly beautiful ibones.
The best time to visit is generally during the warmer months, from late spring to early autumn, when trails are most accessible. However, even in summer, some higher-altitude lakes like Ibón Blanco de Literola might still have snow or ice, adding to their dramatic beauty. Always check local conditions before your visit.
While many lakes are popular, Ibón del Sen, despite being relatively easy to access, is not one of the most visited in the Pyrenees. It stands out for its location within a very clear glacial cirque with an almost perfectly excavated basin, offering a serene experience.
Yes, for a unique experience, you can drive up to an altitude of 2000 meters to the Llauset Reservoir. From there, a fantastic circular hike unfolds through a pristine landscape, revealing beautiful ibones.
The lakes, locally known as "ibones," are unique because they are glacial lakes formed during the ice age, a rare phenomenon in Spain. The park boasts nearly a hundred such lakes, which are highly valued for their ecological significance and breathtaking beauty. They range from easily accessible to remote, offering diverse experiences within a high-altitude mountain landscape.


Still not found your perfect lake around National Park Posets-Maladeta? Check out the guides of these regions to see even more beautiful places.