Best lakes around Saint-Lary are primarily high-altitude glacial formations nestled within the Pyrenees mountains. The region is characterized by its rugged terrain, offering access to numerous natural and man-made water bodies. These lakes are often found in remote valleys, providing diverse landscapes for exploration. The area's geography supports a range of aquatic environments, from crystal-clear lagoons to historic dam sites.
Last updated: June 29, 2026
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Estanh Long de Liat in Aránese, is of glacial origin located at 2,136 meters of altitude, in the north of the Valle de Arán region. Located near the mines of Liat and under the attentive gaze of the peak of Mauberne.
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From this lake you can appreciate the views of the top of Pica Palomera, at 2460 meters high. Due to mining activity, both the pond and the surroundings were affected. Today, the water has a much more acidic pH than most of the lakes in the Pyrenees, which does not allow the survival of aquatic vegetation or vertebrate animals.
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It is a lake of glacial origin located at an altitude of 2,250 metres. It is located at the foot of the Còth de Uèrri and the Tuc d'Ermèr, so incredible views are guaranteed from here.
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This dam has different names: its official name is barratge deth Hons dera Coma, in Aranese. However, there are those who refer to it as the barratge de Barrier or simply the Sant Joan Toran dam. It is not very well known, but it is located in the heart of the Torán valley and very close to the Liat mines. Depending on the flow of the Gòrges d'Ermèr river, the water takes on different shades. If the level is low, you can see a reddish tone that brings closer to the mining past of the area. If, on the other hand, the level is high, the water takes on a turquoise tone that blends with the green of the vegetation.
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Estanh Long de Liat in Aránese, is of glacial origin located at 2,136 meters of altitude, in the north of the Valle de Arán region. Located near the mines of Liat. And I look down at the peak of Mauberne.
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In the lake you can get a feet and legs peeling for free. The fish seem to be having fun.😄👍
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The Etang d'Araing is a high-altitude lagoon which surprises with its crystal clear water. Surrounded by peaks, this site offers a setting that hikers will particularly appreciate!
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The lakes around Saint-Lary are primarily high-altitude glacial formations nestled within the Pyrenees mountains. You'll find diverse aquatic environments, from crystal-clear natural lagoons like Étang d'Araing to historic dam sites such as Hons dera Coma Dam.
Yes, the rugged terrain around Saint-Lary offers several challenging trails. For instance, the descent to Étang d'Araing Below Pic de l'Har is noted as a challenging route, requiring a climb to Bentaillous before reaching the pond. Many of the glacial lakes, like Estanh Long de Liat, are at altitudes over 2,100 meters, implying strenuous ascents.
The best time to visit the high-altitude lakes around Saint-Lary is typically during the warmer months, from late spring to early autumn (June to September), when trails are clear of snow and weather conditions are more favorable for hiking and enjoying the outdoors. Winter visits might involve snowshoeing or specific winter hiking gear due to snow and ice.
While many of the high-altitude lakes feature crystal-clear water, like Étang d'Araing, official wild swimming regulations can vary. The water in these glacial lakes is often very cold, even in summer. Always check local signage and regulations before entering the water. Some visitors to Étang d'Araing have noted the presence of fish that offer a natural 'peeling' experience.
Beyond the more popular spots, Lac deth Potz is a glacial lake located at an altitude of 2,250 meters, offering incredible views from the foot of the Còth de Uèrri and the Tuc d'Ermèr. Hons dera Coma Dam, though a dam, is less known and offers unique water colors depending on the river flow, reflecting the area's mining history.
Besides hiking to the lakes, the region offers a variety of outdoor activities. You can find numerous hiking trails, including moderate and difficult options, as well as challenging mountain biking routes and running trails. For more details on specific routes, you can explore the Hiking around Saint-Lary, MTB Trails around Saint-Lary, and Running Trails around Saint-Lary guides.
Even in summer, conditions at high-altitude lakes can change rapidly. It's advisable to wear layers, including moisture-wicking base layers, an insulating mid-layer, and a waterproof/windproof outer shell. Sturdy hiking boots, sun protection (hat, sunglasses, sunscreen), and plenty of water are essential. Temperatures can be significantly cooler at higher elevations.
Yes, Hons dera Coma Dam is a notable site with historical significance. Located in the Torán valley, its water color can vary from reddish to turquoise, reflecting the area's mining past. Similarly, Estanh Long de Liat is a glacial lake located near the historic Liat mines.
Visitors particularly appreciate the stunning natural beauty and the sense of tranquility. The crystal-clear waters of lakes like Étang d'Araing, surrounded by impressive peaks, offer a rewarding experience for hikers. The diverse landscapes, from natural lagoons to historic dam sites, also contribute to the appeal.
While specific circular routes around individual lakes are not detailed, many hiking trails in the region offer loop options that may incorporate lake views or access. For example, the Hiking around Saint-Lary guide includes several loop trails of varying difficulties, some of which lead to or pass by the region's aquatic features.
Access to many high-altitude lakes often involves reaching trailheads by car. While specific parking information for each lake is not provided, it is generally expected that designated parking areas exist at common starting points for popular hiking routes. It's always recommended to research specific trailheads for parking availability and any potential fees before your visit.


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