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Sem

Top 7 Lakes around Sem

Best lakes around Sem are situated in the Pyrenees mountains, a region known for its high-altitude natural features and rugged terrain. This area in southwestern France is characterized by a diverse landscape of peaks, valleys, and numerous mountain lakes. The natural environment provides opportunities for exploring unique ecosystems and their hydrological characteristics. Visitors can experience a range of lake types, from natural ponds to artificial reservoirs.

Best lakes around Sem

  • The most popular lakes is Étang d'Arbu, a challenging…

Last updated: June 24, 2026

Izourt Pond

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The Izourt pond is an artificial body of water at an altitude of 1,652 meters on the Artiès stream. A small shelter is located near the dam.

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Very nice loop hike made last week from the power station but watch out for the last snowfields.

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Étang d'Arbu

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The lake is quite large, the water is clear and you can see through it. Even after a summer of drought, there was plenty of water. The view is exceptional, …

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Alate Pond

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At the foot of Mount Garias, the Alate pond is located more or less 1h30 from the Coumebière plateau and is a nice goal for a hike.

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Soulcem Reservoir

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The Pla de Soulcem dam is in no way a natural high-altitude pond. It was built in the early 80s.

The construction of this dam drowned a vast plateau (called …

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Popular around Sem

GR 10 – Explore the Ariège Pyrenees crossing the Pyrenees

Road Cycling Routes around Sem

Hiking around Sem

Cycling around Sem

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GR 10 – Explore the Ariège Pyrenees crossing the Pyrenees

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Luc Gesell

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Marie B
September 11, 2025, Étang d'Arbu

A very beautiful mountain lake which offers a beautiful view of the Bassiès massif!

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Very beautiful and photogenic lakes in a high valley, accessible only by long hikes/climbing. Therefore, they are not as crowded as the reservoir in the valley below. You'll often need your hands on the descent from the eponymous peak, Pic d'Étang Fourcat.

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Alban
August 3, 2023, Étang d'Izourt

Beautiful hike, easy to access. However, there is work underway on the dam (August 2023). The lake has been emptied and there are Algecos installed at the finish. Avoid for the moment.

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The Pla de Soulcem dam is in no way a natural high-altitude pond. It was built in the early 80s. The construction of this dam drowned a vast plateau (called Pla) historically devoted to pastoralism. One of the positive aspects of this human achievement is the construction of the road which has opened up this high valley. We even considered going directly to the Principality of Andorra. Currently, the project of a summer tourist route is frozen.

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Julie
April 9, 2023, Étang d'Izourt

Pretty lake accessible from the beginning of April this year. Note that the return made by the other side is not marked but the path is obvious.

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The large Fourcat pond is part of a group of three ponds: the Oussade pond, the large Fourcat pond and the small Fourcat pond downstream. A guarded refuge is located between the small and the large Fourcat pond.

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Cx
November 6, 2022, Étang d'Izourt

The Izourt pond is an artificial body of water at an altitude of 1652 m on the Artiès stream. A small shelter is located near the dam.

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Cx
November 3, 2022, Étang d'Alate

At the foot of Mount Garias, the Alate pond is located more or less 1h30 from the Coumebière plateau and is a nice goal for a hike.

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Frequently Asked Questions

What types of lakes can I find around Sem?

The Sem region, nestled in the Pyrenees mountains, features a diverse range of lakes. You'll encounter high-altitude natural mountain lakes, serene natural ponds, and impressive artificial reservoirs. This variety offers different experiences, from rugged natural settings to man-made structures.

Are there any artificial lakes or reservoirs in the Sem area?

Yes, the region includes notable artificial lakes. For instance, Izourt Pond is an artificial lake situated at an altitude of 1,652 meters, featuring a small shelter near its dam. Another is the Soulcem Reservoir, an impressive man-made structure built in the early 80s, which transformed a pastoral plateau into a vast body of water.

What are some of the most scenic lakes for views around Sem?

For exceptional views, Étang d'Arbu is highly recommended. It's a large natural lake with clear water and offers stunning vistas. Alate Pond, with its bright green waters at the foot of Mount Garias, also provides a beautiful viewpoint.

What kind of hiking opportunities are there around the lakes?

The lakes around Sem are excellent destinations for hiking. Many are reached via strenuous but rewarding trails, such as the hike to Étang d'Arbu. The area around Étang Fourcat offers a very nice loop hike with three lakes nearby. For more hiking options, you can explore various routes in the region by visiting the Hiking around Sem guide.

Are there any lakes suitable for a longer trek or multi-day trips?

Yes, the area around Étang Fourcat and Refuge de l'Étang Fourcat is ideal for longer treks. There's a guarded refuge where you can stay, and it serves as a base for exploring three nearby lakes and undertaking tours to peaks like Pic de Malcaras and Pic de l'etang Fourcat. Visitors also mention that hiking further from Izourt Pond towards Refuge Fourcat leads to more idyllic lakes and bathing opportunities.

What do visitors particularly enjoy about the lakes around Sem?

Visitors frequently praise the exceptional views and the clear, pristine waters of the lakes. The challenging yet rewarding hikes to reach these high-altitude spots are also a highlight, offering a sense of accomplishment and immersion in nature. The presence of multiple lakes in close proximity, like around Étang Fourcat, is also highly appreciated.

Can I find places to swim in the lakes around Sem?

While not all lakes are explicitly mentioned for swimming, visitor tips for Izourt Pond suggest that hiking further towards Refuge Fourcat reveals lakes with 'great bathing opportunities.' Always exercise caution and check local regulations before swimming in any natural body of water.

Are there other outdoor activities besides hiking near the lakes?

Absolutely. Beyond hiking, the Sem region offers various outdoor activities. You can find numerous running trails and cycling routes that explore the diverse terrain around Sem, including challenging mountain paths and scenic loops.

Are there any facilities or shelters near the lakes?

Yes, some lakes have facilities. For example, Izourt Pond has a small shelter near its dam. Additionally, near Étang Fourcat, there is a guarded refuge, which can provide accommodation and services for hikers.

What is the terrain like for reaching these lakes?

The terrain around Sem's lakes is generally rugged and often challenging, reflecting its location in the Pyrenees mountains. Hikes to lakes like Étang d'Arbu are described as strenuous. Expect varied paths, including ascents and potentially rocky sections, especially for high-altitude ponds.

Are there less crowded lakes to visit in the Sem region?

While specific 'less crowded' lakes aren't highlighted, the region's diverse offerings mean that exploring beyond the most popular spots or visiting during off-peak times could lead to a more secluded experience. The Pyrenees offer many hidden gems for those willing to venture further.

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

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