Best lakes around Ustou are nestled within the Ariège Pyrenees, a region known for its mountainous terrain. This area features numerous picturesque lakes, many of which are situated at high altitudes. These natural bodies of water offer tranquil settings and serve as destinations for hiking and various outdoor activities. The landscape around Ustou provides diverse opportunities for exploration.
Last updated: June 29, 2026
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Highlight • Mountain Hut
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Fantastic scenary, but the walk is more a difficulty 2 rather than 1.
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Photogenic little lake on the ascent to the famous peaks. From here, two trail options diverge. The one on the right, in the direction of ascent, isn't any more difficult, although it appears that way on the map.
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Conveniently located hut for those who want to take the technically easiest, but with 2,000 meters of elevation gain, longest climb from the parking lot at L'Artigue to the peaks of Pic du Montcalm, Pica d'Estats, and Pic de Sotllo. The hut was already closed when I climbed in mid-October, but a winter room with approximately 14 beds was open. There's a cash register at the entrance, charging €8 per night.
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"The house by the lake..." Beautifully situated hut on the ascent path from the L'Artigue parking lot to several peaks, including Pic du Montcalm and Pica d'Estats (I also included the somewhat more difficult Pic de Sotllo, hence my photos here as a "highlight" of mountain hiking). The hut was already out of service in October 2024, but there was a winter room with approximately 14 beds. A cash register awaits a deposit of €8 per night.
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The path goes through a beautiful horsetail of singing waters and goes up to the outlet of the Romedo de Baix pond, which is raised with a stone wall to increase the capacity of the reservoir. Admirers of glacial modeling in high mountains can take advantage of and visit the cirques of the Guiló ponds. The route crosses the dam and follows the access lane for about two hundred metres, until a sharp curve where there is a small hut and markings for the mountain routes. The mountain crossing leaves the track and continues straight ahead along the shore of the lake, which offers a spectacular view on this slope. The trail has red and green paint dots and red and white chevrons. On a small rocky outcrop there is a rope for a channel to facilitate climbing. On the opposite side, the rope has disappeared, only the pegs remain, but it is lowered without complications. The path is well marked with the colors of the paths through an impeccable glacial valley to the shore of the Romedo de Dalt pond, completely natural, without artificial dams and a beautiful island decorating the mountain lagoon. In the same glacial basin are the Senó, Colatx and Punturri ponds. The red and white marks go up to the left of the Romedo de Dalt pond to the gap in the Sierra de Llurri, a spectacular pass between the peaks of the mountains of the Alto Pirineo Natural Park. The trail looks for the right descent to go down between the dizzying spurs of Llurri and connect with the path that goes up to the Certascán pond.
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Located in the Couserans massif, at an altitude of 1458 m, the Guzet pond is bordered by vegetation, which makes the place all the more idyllic.
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The Etang du Garbet is a magnificent lake enclosed in a glacial cirque and fed by the Garbet.
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Pleasant pond in a cool place, perfect for a picnic (be careful not to leave your waste on site 😉)
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Many lakes around Ustou are popular hiking destinations. For a pleasant, shaded walk, consider the trail to Guzet Pond, which is particularly recommended for warmer weather. For more challenging routes, the area around Pinet Refuge provides access to various peaks of the Montcalm massif. You can find detailed hiking routes in the Hiking around Ustou guide.
Yes, Guzet Pond is considered family-friendly, offering an idyllic setting bordered by vegetation. Its hiking route is largely shaded, making it comfortable for families, especially during warmer months. Remember to pack a picnic and enjoy the serene environment.
Visiting in spring is highly recommended, as you can witness the impressive Ars waterfall as part of a longer hiking loop that includes Guzet Pond. Summer offers pleasant conditions for high-altitude hikes, while autumn brings beautiful colors to the landscape. Be prepared for potentially windy conditions and pack appropriate clothing, even in summer.
Yes, the Pinet Refuge, located at an altitude of 2,240 meters, offers overnight stays and even features a winter room for hikers. This refuge is a key access point for exploring the Montcalm massif and nearby lakes like Estats Pond.
The lakes around Ustou are nestled in a stunning natural landscape, primarily known for their high-mountain glacial formations. You'll encounter picturesque lakes with crystal clear waters, lush vegetation, and panoramic views of the Ariège mountain range. Areas like Estany de Romedo de Dalt are excellent examples of these beautiful glacial basins.
Yes, the high-altitude lakes and refuges like Pinet Refuge provide excellent opportunities for multi-day hikes. The refuge offers overnight stays, allowing hikers to explore various peaks of the Montcalm massif and other nearby lakes over several days. The area around Estany de Romedo de Dalt is also part of longer routes, offering a sense of solitude for extended treks.
Many lakes, especially those at higher altitudes, require hiking to reach. While specific parking details for each trailhead are best researched locally, trails often start from designated parking areas. For instance, the ascent to Labant Pond can be accessed from the Coumebière Plateau, which typically has parking facilities.
Absolutely. Estany de Romedo de Dalt is particularly appreciated for its solitude and splendid scenery. Hikers often report encountering very few people, making the experience extra special and peaceful. Estats Pond, nestled in a beautiful rocky valley near Pinet Refuge, also offers a peaceful break.
For hikes to the lakes, especially in spring, it's essential to pack layers of clothing suitable for varying weather conditions, as it can be windy. Bring enough water and snacks, as well as appropriate hiking footwear. If visiting in spring, consider waterproof gear due to potential snowmelt and the Ars waterfall. Don't forget sun protection and a camera for the magnificent panoramas.
Beyond hiking, the region around Ustou offers various outdoor activities. You can explore road cycling routes like the 'Col de la Core Loop from Seix' or 'Agnès Pass – Lers Pass loop from Aulus-les-Bains'. For touring cyclists, there are routes such as 'Along the Salat by Seix'. Find more details in the Road Cycling Routes around Ustou and Cycling around Ustou guides.
While the high-altitude lakes offer clear, often cold water, specific regulations for wild swimming can vary. Many lakes, such as the sizable Étang d'Arbu (not a Komoot highlight but mentioned in regional research), have clear water even during dry summers and offer spots to relax by the water's edge. Always check local guidelines and safety information before attempting to swim in natural bodies of water.
The high-altitude lakes around Ustou are unique for their pristine natural beauty, tranquil settings, and their formation within glacial basins. They often feature crystal clear waters, dramatic rocky valleys, and provide access to challenging mountain peaks. The sense of solitude and the untouched landscapes, as seen at Estany de Romedo de Dalt, contribute to their special appeal.


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