Best natural monuments around Borau include a diverse range of geological formations and ecosystems. Borau, located in the province of Huesca, Aragon, Spain, is part of the Parque Natural de los Valles Occidentales, an ecologically significant area within the Aragonese Pyrenees. The region features pristine mountain landscapes, including glacial formations, karstic features, and high mountain lakes. The area is also home to the unique Gruta Helada de Lecherines, a seasonal ice grotto.
Last updated: October 18, 2026
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Sitting right at 1,754 meters on the Spanish side of the border, Lake Estanés (Ibón de Estanés) is a total Pyrenean classic. Grassy basin at the foot of towering, rugged limestone peaks, this spot feels completely timeless the second you step down to the shore. Also it's a local favorite and literally never disappoints!
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Emblematic peak of Canfranc, common at the start of the ski touring season, and recommended family outing to Ibón de Escalar in summer. It is a short, easy and beautiful ascent to Ibón de Escalar, and with a final climb to the peak only for mountaineers.
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Evident. And this includes dogs too. It is all too common to see how people allow their pets to take a dip.
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Located on the Spanish side, the lake is 1,754 meters above sea level. Nestled at the foot of beautiful rocky mountains, it invites you to take a timeless break.
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Mountain lake (ibón) dammed of an indescribable beauty. The effort is not great for the reward of visiting it.
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A classic from this area of the Pyrenees. You must visit it if you get the chance. It never disappoints.
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Culminating at 2,349 meters above sea level, the Pic des Moines is located a few meters from the border between France and Spain. This summit offers a breathtaking view of the Pic du Midi d'Ossau, its valley and the Spanish side.
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Borau is situated within the expansive Parque Natural de los Valles Occidentales, offering a diverse range of natural monuments. You'll find pristine mountain landscapes, including impressive peaks, U-shaped glacial valleys, and high mountain lakes known as 'ibones.' The region also features striking karstic formations and unique seasonal phenomena like the Gruta Helada de Lecherines.
Yes, one truly unique attraction is the Gruta Helada de Lecherines (Frozen Grotto of Lecherines). This karstic cave, located at over 2,000 meters, is famous for its spectacular, ephemeral ice formations. These icy marvels are typically visible for only two to three weeks each year, usually between April and May, making it a special and sought-after experience.
The region boasts several stunning mountain lakes. Among the most popular are the Anayet Lakes, located at 2,200m with views of the Midi d'Ossau. Another must-see is Estanés Lake, nestled at 1,754m at the foot of rocky mountains. You can also visit Ibón del Escalar, a charming lake with an accessible trail.
The Natural Park of the Western Valleys is a haven for wildlife. It's one of the last strongholds for brown bears in the Pyrenees and home to rare birds like the bearded vulture and white-backed woodpecker. Other notable species include the Pyrenean desman, otters, and the Pyrenean frog, making it an excellent spot for wildlife observation.
Yes, Ibón del Escalar is considered family-friendly, offering an accessible trail suitable for contemplation. While some routes to other natural monuments can be challenging, there are options for various skill levels. Always check specific trail details for suitability.
The best time to visit largely depends on what you want to experience. For the unique ice formations of the Gruta Helada de Lecherines, late April to May is ideal. For hiking and enjoying the high mountain lakes and peaks, summer and early autumn offer the most favorable weather conditions. Winter provides opportunities for ski touring, but access to some areas may be limited by snow.
The region around Borau is perfect for various outdoor activities. You can explore challenging mountain hikes to peaks like Punta Bisaurín or Pico Aspe. There are also dedicated running trails and gravel biking routes that allow you to immerse yourself in the stunning Pyrenean landscape.
Absolutely. The Pic des Moines, at 2,349 meters, offers breathtaking views of the Pic du Midi d'Ossau and the entire western part of the Spanish Pyrenees. Additionally, the Views of Anayet and its mountain lakes point on the GR11 provides idyllic high mountain vistas, including the Anayet peaks and the distinctive silhouette of the Midi d'Ossau.
The Anayet Lakes are significant for their stunning glacial origin, situated at an altitude of 2,200m below two volcanic peaks, El Vértice de Anayet and El Pico de Anayet. The area features unique mineral colors around the lacustrine crater, and from the lakes, you can enjoy iconic views of the Midi d'Ossau, making it a truly unique Pyrenean landscape.
While many trails in the Pyrenees can be challenging, there are options for easier access. For instance, the trail to Ibón del Escalar is noted for its accessibility. When planning, it's always recommended to check the difficulty ratings of specific routes to ensure they match your experience level.
The natural monuments near Borau are characterized by significant geological features. The landscape bears clear marks of glacial erosion, evident in U-shaped valleys and mountain lakes. The predominantly limestone geology has also led to striking karstic formations, including deep chasms and caves like the Gruta Helada de Lecherines.


Extend your search for the best caves by checking out these guides of the top ones around Borau: