Highlight • Lake
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(2)
Étang d'Izourt is a captivating artificial lake nestled high in the French Pyrenees, specifically within the scenic Vicdessos valley in the Ariège department. Situated near the commune of Auzat, this emerald-green body of water lies at an elevation of approximately 1,647 meters, offering a dramatic mountain landscape. Formed by a hydroelectric dam constructed between 1937 and 1940, the lake is a testament to both natural beauty and human engineering.
Visitors are consistently drawn to the striking beauty of Étang d'Izourt, often praising its vibrant waters and the majestic peaks that frame it, such as Pic de Tristagne and Pic de l'Étang Fourcat. Many hikers find the journey to the lake as rewarding as the destination itself, with stunning panoramic views unfolding along the way. The tranquil atmosphere and the opportunity to explore further into the mountains, perhaps towards Refuge Fourcat, are frequently highlighted as reasons to visit.
For those planning a visit, the hike to Étang d'Izourt is generally considered to be of moderate difficulty, typically taking between 1.5 to 3 hours depending on your starting point and pace. The terrain involves mountain paths, so appropriate footwear and preparation for changing weather conditions are essential. A non-guarded refuge, an old EDF building, is conveniently located near the dam, offering basic shelter and a water point for those needing a rest.
The best time to visit Étang d'Izourt for hiking and enjoying its natural features is typically during the warmer months when the trails are clear of snow. This period allows you to appreciate the diverse flora and fauna, including lush forests of hazel, beech, and birch, as well as vibrant rhododendrons in bloom. The area is a haven for nature enthusiasts, offering a chance to observe glacial features and the rich wildlife of the Pyrenees.
The hike to Étang d'Izourt offers a blend of natural beauty and poignant history. Along the trails, you might encounter remnants of the old barracks from the dam's construction, serving as a reminder of the "Chemin de la Mémoire" dedicated to the workers who perished during its building. The feeling of reaching the lake, surrounded by towering peaks and the serene waters, is a truly memorable experience for many.
Whether you're seeking a challenging trek or a peaceful day out, the area around Étang d'Izourt provides a variety of options for outdoor activities. You can explore numerous hiking trails, including sections of the long-distance GR10 path, or simply enjoy the tranquility of the lake. To discover the perfect route for your adventure, hikers can use komoot to plan their visit and find detailed maps and tour information.
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Hike a moderate 4.2-mile loop to the emerald Étang d'Izourt in the Pyrénées Ariégeoises, gaining 1653 feet for stunning mountain views.

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Details
Informations
Elevation 1,650 m
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The most common starting point for the hike to Étang d'Izourt is from the Artigues car park, located near the village of Auzat in the Vicdessos valley. It's advisable to arrive early, especially during peak season, as parking can fill up quickly.
The hike to Étang d'Izourt is generally considered of moderate difficulty. While it offers stunning views, it involves mountain paths and a significant elevation gain. For families with young children or absolute beginners, it might be challenging. There are no specific 'beginner' or 'family-friendly' loop trails directly around the lake itself, but the main path to the lake is well-trodden.
The hike to Étang d'Izourt typically takes between 1.5 to 3 hours to reach the lake from the Artigues car park, depending on your pace and fitness level. This estimate is for a one-way trip. Allow additional time for enjoying the lake and the return journey.
Yes, dogs are generally allowed on the trails around Étang d'Izourt. However, it is crucial to keep them on a leash, especially given the presence of wildlife and grazing animals in the Pyrenees. Always ensure you clean up after your pet.
While the intro suggests warmer months are best, winter hiking to Étang d'Izourt is possible but requires significant experience, appropriate gear (snowshoes, crampons, ice axe), and knowledge of avalanche conditions. The trails can be covered in deep snow and ice, and weather conditions can change rapidly. It is not recommended for casual winter visitors.
There are no cafes or restaurants directly at Étang d'Izourt. However, there is a non-guarded refuge (an old EDF building) near the dam that offers basic amenities like bunks, a chimney, and a water point for those needing shelter. For more substantial amenities, you would need to descend to nearby villages like Auzat or Vicdessos, which offer various accommodation, dining, and supply options.
While the lake's emerald green waters can be inviting, Étang d'Izourt is an artificial reservoir used for hydroelectric power. Swimming is generally not encouraged due to the cold water temperatures, potential for sudden water level changes, and the presence of underwater infrastructure. Some visitors mention better bathing opportunities further up towards Refuge Fourcat.
The area around Étang d'Izourt is rich in Pyrenean biodiversity. You can expect to see lush forests of hazel, beech, and birch, especially at lower altitudes, and vibrant rhododendrons in bloom during the season. Wildlife includes various bird species, chamois, and marmots. Keep an eye out for diverse alpine flora as you ascend.
Étang d'Izourt itself is situated at an elevation of approximately 1,647 meters (5,404 feet) at its crest. The surrounding majestic peaks, such as Pic de Tristagne and Pic de l'Étang Fourcat, rise significantly higher, offering dramatic mountain scenery.
Beyond the striking lake and dam, the area is characterized by glacial features and diverse mountain landscapes. Hikers often continue towards the Refuge Fourcat, which is a popular destination further into the mountains. The trails also feature remnants of the old barracks from the dam's construction, serving as a poignant historical landmark.
Étang d'Izourt was formed by a hydroelectric dam constructed between 1937 and 1940. Its history is marked by a tragic avalanche in March 1939 during construction, which resulted in the deaths of 28 to 31 workers, primarily Italian laborers. Commemorative plaques and exhibitions in nearby towns honor those who perished, forming a 'Chemin de la Mémoire' (Path of Memory).