Best lakes around Ercé are found within the Ariège Pyrenees Regional Natural Park, a region characterized by mountains, forests, and numerous lakes. Ercé, a village in the Couserans region, serves as a base for exploring these natural landscapes. The area offers diverse aquatic environments, from accessible ponds to more secluded mountain lakes. These locations provide opportunities for nature observation and hiking.
Last updated: April 26, 2026
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A very beautiful mountain lake which offers a beautiful view of the Bassiès massif!
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Couserans is a Gascon country of mountains, hills, meadows, lakes, waterfalls and forests which is entirely part of the Pyrénées Ariégeoises Regional Natural Park. Among its 18 valleys located at the foot of the majestic Mount Valier, some remained landlocked until the recent past, which allowed them to maintain their own identity, such as the Bethmale valley. At the beginning of the 20th century, it was an overpopulated country whose small agricultural plots did not allow families to live, which is why the inhabitants had to show a lot of imagination to find survival activities. This is how some became “bear handlers”, peddlers of vanilla, fake stone, ice. Others became itinerant “raw distillers” or gold prospectors.
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Nice trail along the side of the mountain.
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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 ascent to the Labant pond from the Coumebière plateau offers magnificent panoramas. Allow 3 kilometers for the round trip to the pond.
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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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Located in the Couserans massif, at an altitude of 1,458 meters, the Guzet pond is bordered by vegetation, which makes the place all the more idyllic.
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For an accessible and leisurely experience, Guzet Pond is a pleasant spot at 1,458 meters, ideal for a picnic. Lac de Bethmale is also highly recommended, featuring a flat, shaded path around its emerald-green waters, accessible to people with reduced mobility and strollers.
Yes, several lakes offer a more strenuous journey. Étang d'Arbu is known for its clear, large waters and exceptional views, but requires a challenging hike. Similarly, Garbet Lake and Garbet Waterfall are magnificent but involve a hard journey. Étang d'Ayes is typically reached via a moderate hike from Lac de Bethmale, offering a more rugged experience. For experienced hikers, Lac du Montagnon (or Lac du Montagnon d'Iseye) is a heart-shaped lake in the Pyrénées-Atlantiques that offers a challenging but rewarding hike with splendid views.
No, swimming and water sports are generally prohibited in Lac de Bethmale and Étang d'Ayes to protect their delicate ecosystems. This is a common regulation for many natural mountain lakes in the region to preserve their pristine condition.
At Lac de Bethmale, you can enjoy trout fishing (with a permit) between May and October, picnicking at designated tables, and nature observation. Étang d'Ayes offers a wilderness experience where bivouacking is permitted under specific conditions (generally 7 PM to 9 AM, more than an hour's walk from a parking lot). Many lakes, including Guzet Pond, are excellent for picnicking and enjoying scenic views.
Lac de Bethmale is renowned for its stunning emerald-green waters and surrounding beech forest. Étang d'Arbu provides exceptional views with its clear, large waters. Garbet Lake is enclosed in a glacial cirque and features a notable waterfall. Further afield, Lac de la Glère is known for its striking bluish waters against jagged peaks, and Lac du Montagnon is famous for its unusual heart shape.
The warmer months, generally from spring to autumn, are ideal for hiking and enjoying the lakes. For fishing at Lac de Bethmale, the season runs from May to October. Be aware that access to some areas, like the starting point for Étang d'Ayes hikes, may be restricted during certain periods, such as from November 1st to June 1st.
The area around Lac de Bethmale is rich in diverse flora and fauna, making it excellent for nature observation. Lac de la Glère is populated with various trout species. The entire Ariège Pyrenees Regional Natural Park is a haven for wildlife, so keep an eye out for local birds, mammals, and unique plant life during your visit.
Yes, the region around Ercé offers various routes for cycling and mountain biking. You can find numerous options, including challenging mountain bike trails like the 'Catchaudégué Pass – Seix loop' or road cycling routes such as the 'Agnès Pass – Lers Pass loop'. For more details and specific routes, you can explore the MTB Trails around Ercé, Cycling around Ercé, and Road Cycling Routes around Ercé guides.
Lac de Bethmale has nearby parking with a wooden pontoon leading to the lake's edge, making it accessible. For Étang d'Ayes, access to starting points like the Mount Ner car park may be restricted during certain periods, so it's advisable to check local conditions before planning your visit.
The Couserans region, entirely part of the Pyrénées Ariégeoises Regional Natural Park, is characterized by its diverse landscape of mountains, hills, meadows, forests, and numerous lakes and waterfalls. This rich natural environment provides a wide variety of aquatic settings, from accessible ponds to secluded mountain lakes, offering unique opportunities for nature observation and outdoor activities.
Lac de Bethmale, with its vibrant emerald-green waters framed by ancient beech trees and Pyrenean peaks, is a popular spot for photography. The exceptional views from Étang d'Arbu and the dramatic setting of Garbet Lake and Garbet Waterfall also offer stunning photographic opportunities.
Lac de Bethmale has a local legend attributing its unique blue-green hue to the dress of a witch who, trapped by villagers, jumped into the lake, vowing never to disappear. This adds a mystical charm to its already picturesque setting.


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