Best lakes around Cette-Eygun are situated in the Pyrenees, offering a landscape characterized by mountain lakes and glacial formations. This region is part of the Ossau Valley, known for its natural beauty and opportunities for outdoor activities. The area features a network of lakes, many of which are accessible via hiking trails. It serves as a gateway to the Pyrenees National Park, providing a setting for exploring high-altitude environments.
Last updated: May 11, 2026
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Go early because the route, with so much unevenness, can be long. Wear good footwear with impact protection; there are areas with a lot of loose rocks.
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There are many people who prefer to sleep further away.
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Very beautiful hike, undergrowth, grassy pass, scree and the magnificent lake surrounded by peaks as a final reward
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For lovers of nature and adventure, this site promises to leave an indelible mark. Located in the heart of the Pyrenees, Lac Bersau is a hidden treasure in the Pyrenees National Park. Lac Bersau is famous for its crystal clear waters that majestically reflect the surrounding mountains. At an altitude of 2,250 meters, you will find yourself surrounded by impressive peaks and a peace that only nature can provide. This place is also home to a fragile ecosystem, home to various species of flora and fauna adapted to the altitude.
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Incredible sunset and sunrise on the banks of this heart shaped lac in the middle of the mountains. The view is breathtaking and Potiocks are there to keep you company! Absolutely do stop here
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free drinking water available, also other drinks for a fee, was with us, on the 13.4 km walk just after the highest point and came as called because I was already without water after hours in the burning sun 🫣
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The Ayous lakes form a magnificent series of six glacial lakes, including Lac Gentau and View of Pic du Midi d'Ossau, Lac Roumassot, and Lac Bersau. They are arranged in a natural amphitheater, offering stunning panoramic views of the iconic Pic du Midi d'Ossau. This area is also known for its summer pastures, where you might encounter horses and cows.
Yes, the region around Cette-Eygun is excellent for hiking. Many lakes are accessible via well-marked trails, including routes that pass through the Ayous lakes. For a variety of options, you can explore the Mountain Hikes around Cette-Eygun guide, which features trails of varying difficulty.
The best time to visit is typically from late spring to early autumn (May to October). During these months, the weather is generally more favorable for hiking, and mountain refuges like Refuge d'Ayous are open. Winter brings snow, making some trails challenging or inaccessible without proper equipment.
Yes, you can. The Refuge d'Ayous offers facilities for hikers and is open from late May to early October. Bivouacking (setting up a temporary camp for one night) is also permitted around the refuge and near Lac Gentau, adhering to Pyrenees National Park regulations.
Many of the lakes offer accessible trails that can be enjoyed by families, though some routes to higher-altitude lakes can be more challenging. The Ayous lakes area, for example, has sections suitable for family walks, especially around the refuge. Always check the specific trail difficulty before heading out with children.
Regulations for dogs vary within the Pyrenees National Park. Generally, dogs are not allowed on trails within the core zone of the National Park, even on a leash, to protect wildlife. However, they may be permitted in the peripheral zone. It's crucial to check specific local signage and park regulations for the exact area you plan to visit.
Beyond hiking, the region offers various outdoor activities. You can find cycling routes and mountain biking trails in the wider Cette-Eygun area. The glacial lakes themselves are perfect for photography and enjoying nature.
The hike to Montagnon Lake is considered challenging. While the views of this heart-shaped lake are superb and well-deserved, the path to reach it is known to be difficult. It's accessible from both the Ossau and Aspe valleys.
The lakes around Cette-Eygun are predominantly of glacial origin, nestled within the Pyrenees mountains. They are often found in groups, like the Ayous lakes, and are characterized by their high-altitude settings, clear waters, and surrounding alpine meadows that serve as summer pastures for local herds.
Directly at the high-altitude lakes, options are limited to mountain refuges. The Refuge d'Ayous, for instance, provides food and drink during its opening season. For more extensive dining options, you would need to descend to nearby villages such as Laruns or Aydius.
Generally, no specific hiking permits are required for day hikes in the Pyrenees National Park. However, certain activities like bivouacking have specific rules (e.g., only allowed between 7 PM and 9 AM, at least an hour's walk from road access). Always respect park regulations, especially concerning wildlife and waste.


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