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Lac Bersau
Escursionismo
5.0
(72)
Lac Bersau is a stunning high-altitude lake nestled in the French Pyrénées, specifically within the Pyrénées-Atlantiques department in the Nouvelle-Aquitaine region. Situated at an elevation of 2083 meters (6,834 feet) above sea level, it is a key part of the larger group of lakes known as the Lacs d'Ayous, and notably the highest among them. This natural lake, with its glacial origin, boasts remarkably clear, intense blue waters and is cradled at the foot of Pic Castérau, surrounded by other…
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Escursione difficile. Ottimo allenamento richiesto. Sono richiesti passo sicuro, calzature robuste ed esperienza alpinistica.
Dettagli
Informazioni
Distanza 710 m
Salita 10 m
Discesa 10 m
Meteo
Offerto da Foreca
Oggi
giovedì 5 marzo
4°C
1°C
90 %
Ulteriori consigli sul meteo
Velocità max vento: 10,0 km/h
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Domande frequenti
What is the typical hiking difficulty to reach Lac Bersau?
The trails leading to Lac Bersau are generally considered moderate to hard, requiring good fitness and sure-footedness. The terrain is alpine, featuring meadows and scattered erratic blocks. While some routes are part of the popular "loop of the Ayous lakes," hikers should be prepared for elevation gains and potentially uneven paths.
Are there any specific permits or regulations for visiting Lac Bersau?
Lac Bersau is located within the core zone of the Pyrénées National Park. While general access for hiking does not typically require a permit, specific regulations apply to activities like fishing. Anglers must adhere to specific quotas and bait restrictions. Always check the latest regulations from the National Park authority before your visit, especially if planning activities beyond hiking.
Where is the best place to park when visiting Lac Bersau?
The most common starting point for hikes to Lac Bersau is the Bious-Artigues area. There is a parking lot available there, but it can fill up quickly, especially during peak season (summer) and on weekends. Arriving early in the morning is highly recommended to secure a spot.
Is Lac Bersau suitable for a winter hike?
While stunning, Lac Bersau is a high-altitude lake at 2083 meters (6,834 feet), making winter access challenging. Trails can be covered in deep snow and ice, requiring specialized equipment like snowshoes or crampons, and experience with winter mountain conditions. It is generally recommended for experienced winter hikers, and checking weather and avalanche forecasts is crucial.
Can I bring my dog on the trails around Lac Bersau?
As Lac Bersau is located within the core zone of the Pyrénées National Park, dogs are generally not allowed, even on a leash, to protect the local wildlife and environment. It's always best to verify the specific regulations of the National Park before planning your visit with a pet.
Are there any cafes, pubs, or accommodation options near Lac Bersau?
Lac Bersau itself is in a remote, natural setting without direct amenities. However, the Refuge d'Ayous is located nearby and offers basic accommodation and food services during its operational season. For more extensive options like cafes, pubs, and hotels, you would need to descend to the Ossau Valley, with towns like Gabas or Laruns offering various services.
What kind of wildlife can be seen around Lac Bersau?
The area around Lac Bersau is rich in Pyrenean wildlife. Hikers might spot various bird species, including raptors, and potentially encounter mammals such as marmots, chamois, or even ibex. The clear waters of the lake are home to fish like fario trout, brook trout, and Arctic char.
How long does it typically take to hike around Lac Bersau?
While the lake itself is relatively small, a full circular walk around Lac Bersau is often part of a larger loop, such as the "loop of the Ayous lakes." The time required depends heavily on the chosen route, starting point, and individual pace. A typical hike encompassing Lac Bersau as part of the Ayous loop can take anywhere from 4 to 7 hours, depending on the specific trail and stops.
Is wild swimming permitted in Lac Bersau?
While the clear, blue waters of Lac Bersau might be tempting, wild swimming is generally not permitted within the core zone of the Pyrénées National Park to preserve the fragile ecosystem. The water is also very cold due to its high altitude.
What are the best viewpoints for seeing the Pic du Midi d'Ossau from Lac Bersau?
While Lac Bersau offers a serene setting, the iconic Pic du Midi d'Ossau is often seen as a discreet glimpse from certain points along the trails, particularly as you approach or depart from the lake as part of the larger Ayous lakes loop. For more prominent views, consider trails that ascend slightly higher or offer broader panoramas of the Ossau Valley.
What is the maximum depth of Lac Bersau?
Lac Bersau is a surprisingly deep lake for its size. It reaches a maximum depth of 30 meters (98 feet). Its clear, oligotrophic waters allow light to penetrate up to 15 meters deep, supporting unique submerged vegetation.