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Les Bordes-Sur-Lez

Top 15 Natural Monuments around Les Bordes-Sur-Lez

Natural monuments around Les Bordes-Sur-Lez are found in the Ariège department of the Occitanie region in France, nestled at the confluence of the Lez and Balamet rivers. This area, situated within the Pyrenees, offers a diverse natural landscape. Visitors can explore mountain passes, lakes, and waterfalls, providing opportunities for outdoor activities. The region is characterized by its wild rivers, mountain peaks, and extensive natural parks.

Best natural monuments around Les Bordes-Sur-Lez

  • The most popular natural monument is Core Pass,…

Last updated: July 5, 2026

Pont de Perosa

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Beautiful picture that this natural environment gives us, when crossing the La Noguera river from the Perosa Bridge

From this point there are 3 itineraries that are indicated on the information panel that we will find next to the bridge.

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Core Pass

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The Col de la Core, at 1,395 meters above sea level, is part of both the pass route and the GR10 which cross the Pyrenees from the Atlantic to the Mediterranean.

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Cascade de Nerech

Highlight • Waterfall

The Nerech waterfall is one of the most powerful in the Pyrenees. It flows into the heart of Couserans (vast territory combining high mountains, mountains and foothills, and covered areas). …

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Flora and Fauna of Col d'Auedole

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Going over the Col d'Auedole is to treat yourself to a pretty sight. You will see the richness of flora and fauna with superb flowers, mushrooms, insects, reptiles and birds. …

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Ayes Pond

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Access to the lake is either via the Auèdole pass or via the Campuls circus (at the end of a track) for those who wish to walk a little less.

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Popular around Les Bordes-Sur-Lez

GR 10 – Explore the Ariège Pyrenees crossing the Pyrenees

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GR 10 – Explore the Ariège Pyrenees crossing the Pyrenees

Hiking Collection by

Luc Gesell

Tips from the Community

Thierry SCHIAVI - Ô Gravel !
April 25, 2025, Col de la Core

An emblematic pass in the Couserans, popular with cycle tourists and hikers, it offers a superb panorama of the mountains and valleys.

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Sébastien
January 8, 2024, Col de la Core

The area is simply a joy

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Luc Gesell
November 13, 2023, Cascade de Nerech

The Nerech waterfall is one of the most powerful in the Pyrenees. It flows into the heart of Couserans (vast territory combining high mountains, mountains and foothills, and covered areas). It is home to rich biodiversity. Among the species most observed here, there is a very wide variety of wild orchids.

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Going over the Col d'Auedole is to treat yourself to a pretty sight. You will see the richness of flora and fauna with superb flowers, mushrooms, insects, reptiles and birds. On a larger scale, the panoramas open wide in front of you and show you all the beauty of the Pyrenees.

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Ana- Remoteana
November 16, 2022, Pont de Perosa

The Perosa bridge gives us an incredible view of the Alto Pyrenees natural park once we cross the La Noguera river. You won't forget that easily.

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Cx
November 3, 2022, Col de la Core

The Col de la Core, at 1,395 meters above sea level, is part of both the pass route and the GR10 which cross the Pyrenees from the Atlantic to the Mediterranean.

Translated by Google

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Cx
November 3, 2022, Étang d'Ayes

Access to the lake is either via the Auèdole pass or via the Campuls circus (at the end of a track) for those who wish to walk a little less.

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Cx
November 3, 2022, Cascade de Nerech

Magnificent waterfall on the Valier route (for the more athletic).

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Frequently Asked Questions

What types of natural monuments can I explore around Les Bordes-sur-Lez?

The region around Les Bordes-sur-Lez, nestled in the Pyrenees, offers a diverse range of natural monuments. You can discover majestic mountain passes like Core Pass, serene mountain lakes such as Ayes Pond, and powerful waterfalls like Cascade de Nerech. The area is also characterized by its wild rivers, including the Lez and Balamet, and offers numerous viewpoints with panoramic vistas of the Ariège Pyrenees.

Are there family-friendly natural monuments or activities in the area?

Yes, several natural monuments are suitable for families. For instance, the Pont de Perosa is categorized as family-friendly and offers beautiful views of the Alto Pyrenees natural park. Exploring the banks of the Lez and Balamet rivers, which meet in Les Bordes-sur-Lez, also provides a tranquil experience for all ages. Many trails in the broader Ariège Pyrenees are accessible for family walks, depending on their difficulty.

What kind of flora and fauna can I expect to see?

The Pyrenees region is rich in biodiversity. When visiting areas like the Flora and Fauna of Col d'Auedole, you can observe a variety of superb flowers, mushrooms, insects, reptiles, and birds. The Cascade de Nerech area, for example, is known for its wide variety of wild orchids.

Are there historical sites among the natural monuments?

Yes, some natural monuments also hold historical significance. The Core Pass is part of the historic GR10 long-distance hiking route across the Pyrenees and is also a historical site. Similarly, the Pont de Perosa, a bridge over the La Noguera river, is considered a historical site within a natural setting. The village of Les Bordes-sur-Lez itself features a 13th-century bridge spanning the Lez river.

What outdoor activities can I do near these natural monuments?

The region is ideal for various outdoor activities. You can enjoy extensive hiking on trails like the GR 10 or the Tour of Mont Valier. Cycling enthusiasts can explore routes such as the Lake Bethmale – Core Pass loop. Mountain biking is also popular, with options like the Core Pass – Lake Bethmale loop. For runners, there are challenging trails like the Étang d'Ayes – Étang d'Eychelle loop. The wild rivers in the wider Pyrenees also offer opportunities for rafting and canoeing.

What are some notable viewpoints in the area?

Many natural monuments double as excellent viewpoints. From Pont de Perosa, you get an incredible view of the Alto Pyrenees natural park. Core Pass offers expansive vistas, and the journey to Étang Rond provides stunning panoramic views of emblematic peaks like Mont Valier and Pic des trois Comtes. The Flora and Fauna of Col d'Auedole also presents wide panoramas of the Pyrenees.

How accessible are the natural monuments for hiking?

Most natural monuments in the region are accessible via hiking trails, ranging from intermediate to difficult. For example, Ayes Pond is reached via hiking routes, either through the Auèdole pass or the Campuls circus. The Core Pass is part of the GR10, a long-distance hiking route. While many trails are well-marked, some require a reasonable level of fitness and sure-footedness, especially in higher altitudes.

What is the best time to visit Les Bordes-sur-Lez for natural monuments?

The Pyrenees region is beautiful throughout the warmer months. Spring and summer are ideal for hiking and enjoying the full bloom of flora, especially around areas like the Flora and Fauna of Col d'Auedole. Autumn offers vibrant foliage and generally pleasant hiking conditions. Winter can be challenging due to snow and ice, especially at higher elevations like Étang Rond or Core Pass, but can be rewarding for winter sports enthusiasts.

Are there any hidden gems or less-known natural spots?

While the main highlights are well-loved, the vastness of the Ariège Pyrenees means there are always less-trodden paths. Exploring the confluence of the Lez and Balamet rivers directly in Les Bordes-sur-Lez offers a tranquil, immediate natural experience often overlooked for the grander mountain sights. The journey to Étang Rond, while popular, also features beautiful cascades along the way that might be considered hidden gems themselves.

What do visitors enjoy most about the natural monuments around Les Bordes-sur-Lez?

Visitors frequently praise the breathtaking scenery and the sense of immersion in pristine mountain wilderness. The panoramic views from mountain passes and lakes, such as Ayes Pond, are often highlighted. The rich biodiversity, including wild orchids near Cascade de Nerech and the varied flora and fauna at Col d'Auedole, also captivates many. The opportunity for challenging hikes and the tranquility of the natural environment are consistently appreciated.

Can I find information panels or maps at the natural monuments?

Yes, at certain points like the Pont de Perosa, you will find information panels indicating various itineraries. At Core Pass, there's a sign indicating the Chemin de la liberté. It's always advisable to carry a detailed map or use a navigation app like komoot for comprehensive route information.

Is it possible to see wildlife near the natural monuments?

Yes, the Ariège Pyrenees is home to diverse wildlife. Areas rich in flora, such as the Flora and Fauna of Col d'Auedole, provide excellent opportunities for spotting insects, reptiles, and various bird species. Keep an eye out for local fauna while exploring the trails, especially during quieter times of the day.

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