Top 20 Natural Monuments around National Park Posets-Maladeta
Best natural monuments around National Park Posets-Maladeta are characterized by majestic high-mountain landscapes in the Aragonese Pyrenees. The park protects significant natural features, including the last remaining Pyrenean glaciers and numerous glacial lakes known as ibones. Prominent peaks like Aneto and Posets contribute to the diverse natural environment. This region offers a unique opportunity to observe geological history and high-altitude ecosystems.
Best natural monuments around National Park Posets-Maladeta
- The most popular natural monuments is Forau de Aiguallut, a natural…
Last updated: August 6, 2026
Forau de Aiguallut
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Pico de Aneto Summit
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Perdiguero Peak
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Espigantosa Waterfall
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Ibón del Sen
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Popular around National Park Posets-Maladeta
Panoramic Pyrenees – 15 hikers' peaks of over 3,000 metres
Haute Route Pyrénéenne – Pyrenees Crossing
From the Queen to the King of the Pyrenees – a spectacular loop from Luchon
Aragon along the Pyrenean Trail – GR 11
Rutas de alta montaña en el municipio de Sahún — Valle de Benasque
Pequeños recorridos en el municipio de Sahún — Valle de Benasque
Senderos desde Eriste — Valle de Benasque
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The highest peak in the Pyrenees mountaineering region.
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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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The highest peak in the Pyrenees and the one everyone wants to climb. Its demands are more physical than technical, with the exception of the Mahoma Pass, not suitable for those with vertigo, and the Aneto Glacier, which is recommended to avoid in the middle of summer when the hard centuries-old ice is exposed and landslides increase due to melting. At the top you will find a gigantic metal cross, a statue of the Virgen del Pilar and a small bust of San Marsial, patron saint of Benasque. Each of them installed by different groups that want to make their own a piece of this colossus that, although it is difficult to believe, went unnoticed for centuries in the shadow of the apparently more prominent Tuca de la Maladeta (from the Occitan "Mall Hita", the 'high peak').
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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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Beautiful and powerful waterfall that can be comfortably observed from the Pleta del Estalló, located at about 1,500 meters above sea level. This is also where the bus departing from Eriste arrives in the summer months. You can check the bus schedules at the tourist office or on the website of the town hall.
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Superb view of the impressive Espigantosa waterfall.
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Culminating at 3,222 meters above sea level, the Perdiguère peak dominates a magnificent ridge that includes several peaks exceeding 3,000 meters. Located on the Franco-Spanish border, it dominates the massif of the same name offering an absolutely incredible 360 degree panorama.
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Frequently Asked Questions
What unique natural phenomena can I witness in the Posets-Maladeta Natural Park?
You can witness the unique hydrological phenomenon at Forau de Aiguallut, where water from the Aneto glacier disappears into a chasm and later reappears in the Arán Valley. This site is known for its spectacular nature and accessibility.
Are there any family-friendly natural monuments to visit in the park?
Yes, Forau de Aiguallut is considered family-friendly and offers an easy hike. It's a popular spot to see a unique natural spectacle without requiring strenuous effort.
What are the highest peaks I can explore in the Posets-Maladeta Natural Park?
The park is home to some of the highest peaks in the Pyrenees. You can explore the Pico de Aneto Summit, which is the highest peak in the entire Pyrenees at 3,404 meters. Another significant peak is Perdiguero, which culminates at 3,222 meters above sea level and offers an incredible 360-degree panorama.
What kind of glacial features can I find in the Posets-Maladeta Natural Park?
The park is renowned for its glacial past, featuring the Natural Monument of the Pyrenean Glaciers, which protects the last remaining glacier ice caps in the Pyrenees. You'll also find over one hundred *ibones*, or blue water mountain lakes, such as Ibón de Gorgutes, which are pristine remnants of glacial activity.
What outdoor activities can I do near the natural monuments?
The area around the natural monuments offers diverse outdoor activities. You can find numerous routes for gravel biking, cycling, and running. The Estós Valley, for instance, is a starting point for many trails leading to lakes and peaks.
Are there specific hiking trails to reach the natural monuments?
Yes, many natural monuments are accessible via hiking trails. For example, the Estós Valley features a river flowing through peaks over 3,000 meters high and serves as a starting point for numerous lakes and peaks. The path to Forau de Aiguallut is also a well-known route.
What is the best time to visit the natural monuments in Posets-Maladeta Natural Park?
The best time to visit places like Forau de Aiguallut is in spring, after the ice melts, when the water flow is most impressive. For high-altitude peaks like Aneto, summer is generally preferred, though caution is advised on the Aneto Glacier during mid-summer due to exposed ice and increased melting.
What are some of the most beautiful glacial lakes (ibones) in the park?
The park is home to over one hundred *ibones*. Notable examples include the Barbarisa ibones, which offer stunning views with the Prats waterfall and the larger Grande ibón set against the beautiful Barbarisa cirque. Other significant ibones can be found in Vallibierna, Cregüeña, Batisielles, and Remuñe, each offering serene beauty.
What kind of wildlife can I expect to see around the natural monuments?
The high-mountain environment of the Posets-Maladeta Natural Park, particularly around the glacial lakes and valleys like the Estós Valley, supports a diverse array of high-mountain flora and fauna. While specific sightings vary, the pristine nature of these areas provides habitats for various species adapted to alpine conditions.
What do visitors enjoy most about the natural monuments in this region?
Visitors frequently appreciate the spectacular nature and accessibility of sites like Forau de Aiguallut. For mountaineers, the challenge and panoramic views from peaks like Pico de Aneto Summit are highly valued. The serene beauty of the glacial lakes and the dramatic landscapes of valleys like Estós also receive high praise.
Are there any specific regulations regarding activities like swimming in the glacial lakes?
All Aragonese lakes, including the *ibones* like Ibón de Gorgutes, are protected as part of the Inventory of Singular Wetlands. Activities that could modify water quality are prohibited. While bathing isn't explicitly banned, using chemicals like sunscreen, deodorants, or perfumes in the water is understood to negatively affect its quality and is therefore discouraged.
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