Best mountain peaks in Posets-Maladeta are located within the Aragonese Pyrenees, a region known for its high-mountain landscapes. The park features a concentration of peaks over 3,000 meters, along with glacial lakes and some of Europe's southernmost glaciers. This challenging terrain offers a variety of natural beauty for outdoor enthusiasts.
Last updated: May 10, 2026
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The highest peak in the Pyrenees mountaineering region.
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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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Aneto is the highest peak in the Pyrenees and the second highest in the Iberian Peninsula, with an altitude of 3,404 meters above sea level. It is located in the Posets-Maladeta Natural Park, in the Spanish municipality of Benasque, province of Huesca, autonomous community of Aragon. It is part of the Maladeta massif and, located in the Benasque valley, is made up of Paleozoic terrain of granitic nature and Mesozoic materials. On its northern face, starting at approximately 2810 m, is the largest glacier in the Pyrenees, with about 100 hectares of surface, which is, like many in the world, in clear regression as a consequence of climate change (it is estimates that in the last 100 years it has lost more than half of its surface, and that in 30 or 40 years it may disappear).
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The Aneto, roof of the Pyrenees and watchtower over the park, is a symbol and a challenge for mountaineers who come to this natural park to climb to 3404 meters high. The most frequented routes are the one on the north side from Besurta, and the one on the south side from the Coronas bridge to Vallibierna.
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A horizontal passage of 40 meters in length and with considerable verticality on both sides, separates the summit from the summit. It is also the last difficulty we will have to overcome before reaching Aneto. Albert de Franqueville, one of the first men to summit the Aneto, was the one who gave this name to this part of the mountain: "Fineer than a hair and sharper than a saber", that is the bridge of Muhammad according to the legend: the entrance to Paradise, at the top of the Aneto, for the eyes of Franqueville. The factors for which this step is dangerous are: - The verticality on both sides of the step and the inevitable feeling of vertigo. A fall is fatal. - In some sections you have to use your hands to move forward. - The possible density of people crossing the pass. All mountaineers who climb Aneto must cross this pass twice: to go there and to return. There are points on the Muhammad Bridge where two people cannot cross. Be patient. - The possible presence of water, ice and snow, which can make the passage slippery. - Vulnerability to lightning strikes in the event of a storm. For these reasons, it is not necessary to do this section of the ascent if it is not completely safe, nor to force anyone to go through it. Accumulated fatigue and nerves are a bad combination that can end in fatality.
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From the Benasque Hospital to Puerto de la Picada, it is a simple and very beautiful, with unbeatable views of the north face of Maladeta. The path is well defined and marked by milestones until reaching Port de la Picada itself. It goes up gently in a zigzag pattern until it reaches the Basetas del Portillón, small lakes that can sometimes be found dry. From here, we turn right, looking for an easterly orientation to overcome the last slope that leaves us at Port de la Picada. On the other side, you can see small lakes called Bom des Clòts de Lunfèrn and the Valley that descends towards Artiga de Lin (Vall d'Aran).
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Cabin in good condition with sleeping area in the loft
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An easy climb gives access to the top of Aneto
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The Posets-Maladeta Natural Park is known for its challenging terrain. The highest peak, Pico de Aneto Summit (3,404 m), is highly demanding, requiring good physical condition and often involving the Mahoma Pass and glacier crossing. Perdiguero Peak (3,222 m) also offers a challenging ascent, dominating a magnificent ridge with several other 3,000-meter peaks. Pico Posets (3,375 m) is another significant challenge, popular among climbing enthusiasts.
For breathtaking panoramic views, Salvaguardia Peak is highly recommended, offering phenomenal vistas of Luchon and the Valle de Benasque, as well as expansive views over the Pyrenees and France. Perdiguero Peak provides an incredible 360-degree panorama from its summit on the Franco-Spanish border. The summit of Aneto also offers unparalleled panoramic views, though the ascent is very demanding.
While many peaks are challenging, the park offers more accessible attractions. For instance, the Aiguallut waterfall and meadows provide an easier introduction to the park's beauty suitable for families. Some sections of the trail to Salvaguardia Peak are considered suitable for children and dogs, particularly the good trails to Puerto de Benasque.
The best time to visit the mountain peaks in Posets-Maladeta for hiking and climbing is generally during the late spring, summer, and early autumn months (June to September). During this period, the weather is more stable, and snow cover is reduced, making routes more accessible. However, even in summer, high-altitude routes like Aneto may still require crampons and ice axes due to the shrinking glaciers.
Conquering Pico de Aneto Summit is a long and demanding endeavor. The route from the Llanos del Hospital car park is approximately 21 kilometers long and can take over 12 hours to complete, requiring excellent physical condition and preparation.
Both Aneto (3,404 m) and Pico Posets (3,375 m) are among the highest and most challenging peaks in the Pyrenees. Aneto is the highest and is known for its glacier crossing and the exposed Mahoma Pass. Posets, the second-highest, offers a different perspective of the high Pyrenees, with its surrounding area featuring numerous glacial lakes (ibones) and impressive waterfalls. Climbing Posets often involves the 'three shelters route' (Estós, Viadós, and Ángel Orús), allowing exploration of its various slopes.
Beyond its impressive peaks, Posets-Maladeta Natural Park is rich in natural beauty. You can explore numerous 'ibones' (glacial lakes) and impressive waterfalls, particularly around Pico Posets. The park also hosts some of Europe's southernmost glaciers, notably on Aneto and the Maladeta massif, though they are shrinking. The Aiguallut waterfall and meadows are another popular natural attraction.
Yes, the Maladeta massif, which includes peaks like Pico Maldito and Maladeta, offers stunning alpine environments. Picada Pass is a notable mountain pass that provides unbeatable views of the north face of Maladeta. The path to the pass is well-defined and marked, leading to small lakes and offering a beautiful perspective of the massif.
The Posets-Maladeta region is a haven for outdoor enthusiasts. You can find a variety of hiking opportunities, from easy walks to challenging mountaineering routes. For easy hikes, explore options like the Paso Nuevo Reservoir loop. If you're interested in waterfalls, consider routes like the Besurta - Renclusa - Aiguallut Circular Trail. For more intense mountain experiences, there are numerous mountain hikes, including routes to the summits of Posets and Aneto.
The Mahoma Pass is a critical and challenging section of the ascent to Pico de Aneto Summit. It is a narrow, exposed horizontal passage about 40 meters long with significant vertical drops on both sides, making it unsuitable for those with vertigo. It often requires using hands to navigate and can be particularly dangerous if wet, icy, or crowded. Patience and caution are essential when crossing this section.
Yes, some trails in the Posets-Maladeta area are suitable for dogs. For example, the trails leading to Puerto de Benasque, which can be part of the ascent to Salvaguardia Peak, are described as good trails and suitable for dogs. Always check specific trail conditions and regulations, especially in protected areas or at higher altitudes.
For many popular hiking trails leading to the mountain peaks, particularly those accessing Aneto and other high peaks, parking is often available at key access points like the Llanos del Hospital car park. This serves as a common starting point for routes into the high mountains of the Benasque Valley.
Visitors to Posets-Maladeta particularly enjoy the phenomenal panoramic views offered by peaks like Salvaguardia Peak and Perdiguero Peak. The challenging nature of climbs like Pico de Aneto Summit is also a major draw for mountaineers seeking rewarding experiences. The natural beauty, including glacial lakes and the unique high-mountain environment, is consistently praised by the komoot community.


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