Best lakes around Brillon are often found in areas shaped by historical industrial activity, now reclaimed by nature. This region features a landscape where former mining sites have transformed into diverse natural environments, including lakes and marshes. These areas provide unique opportunities for outdoor recreation amidst a blend of natural and rewilded industrial features. The lakes here are integral to the local ecosystem and offer varied experiences for visitors.
Last updated: June 29, 2026
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Beautiful walk on a magnificent site
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Hello, is it exclusively mountain biking or accessible by gravel please? It makes me want to do it anyway ☺️
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The Argales de Rieulay slag heap, the largest in the region (140 ha), has long since closed its mining page. A new story has been unfolding for several years now. That of a successful reconversion.
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Artificial beach on the body of water
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Strong exposure to the wind, beautiful view of the lake and the sunset
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Magnificent setting for running and doing a bit of elevation gain!
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Magnificent natural setting. From the banks of the Scarpe to the Argales site. Simply exceptional!
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Visitors frequently enjoy Étang des Argales, known for its beautiful views and bird sanctuary, and Goriaux Pond, a national biological reserve with views from an accessible slag heap. The area around Rieulay lake is also popular for its magnificent views and mountain biking opportunities.
Yes, several lakes offer family-friendly experiences. Étang des Argales, Goriaux Pond, Terril des Argales Beach, and Germignies Marsh and Spoil Heap are all noted as family-friendly. Terril des Argales Beach, an artificial beach, is particularly suitable for families.
The lakes around Brillon are often set in unique landscapes shaped by former industrial activity, now reclaimed by nature. You can find bird sanctuaries at Étang des Argales, and the Goriaux Pond is a national biological reserve formed from mining subsidence. Germignies Marsh and Spoil Heap features natural and artificial ponds, a birch forest, and rare plant species, attracting birds like the European nightjar.
The lakes themselves often have a historical context, being formed from mining subsidence. For example, Goriaux Pond is a natural monument and national biological reserve, created from former mining activity. The accessible slag heaps nearby offer a unique perspective on the region's industrial past and its natural reclamation.
The area offers various outdoor activities. You can enjoy mountain biking or gravel riding around Étang des Argales and Rieulay lake. There are also numerous cycling routes, including road cycling, gravel biking, and touring, that pass by or near these lakes. You can explore routes like the 'Marchiennes State Forest – Étang des Argales loop' for cycling or 'Towpath of the Scarpe – Les aegales Rieulay loop' for gravel biking. Find more details on these activities in the Road Cycling Routes around Brillon, Gravel biking around Brillon, and Cycling around Brillon guides.
Yes, you can find walking trails around many of the lakes. Étang des Argales offers possibilities to go around the lake with beautiful views. Goriaux Pond has paths, including a very mobile path with magnificent views, and an accessible slag heap for elevated perspectives. Terril des Argales Beach also provides a beautiful walk on a magnificent site.
Visitors particularly appreciate the unique blend of natural beauty and reclaimed industrial landscapes. The beautiful views, especially at Étang des Argales and Rieulay lake, are frequently mentioned. The opportunity for mountain biking and gravel riding, as well as the peaceful bird sanctuaries and diverse ecosystems, also receive high praise.
Absolutely. Étang des Argales offers beautiful views and kiosks for admiring the landscapes. At Goriaux Pond, you can get views from an accessible slag heap. The route Around the Rieulay lake is specifically highlighted for its magnificent views, especially at sunset.
Yes, the region is rich in unique ecological sites. Goriaux Pond is a national biological reserve, significant for its formation from mining subsidence and its diverse ecosystem. Germignies Marsh and Spoil Heap is another notable site with natural and artificial ponds, a birch forest, and rare plant species, serving as a habitat for birds like the European nightjar.
Yes, cycling is a popular activity. Étang des Argales is accessible for mountain bikers and gravel riders, with tips suggesting it's unmissable for mountain bikers. The route Around the Rieulay lake is also suitable for mountain biking. You can find various cycling routes in the area, including those for road cycling, gravel biking, and touring.
While specific seasonal recommendations are not provided, the lakes offer different experiences throughout the year. The bird sanctuaries are likely most active during migration seasons. The trails and cycling routes are enjoyable in milder weather, and the views are magnificent year-round. The region's unique landscape, with its blend of natural and rewilded industrial features, can be appreciated in various conditions.
Yes, you can find Terril des Argales Beach, which is an artificial beach located on the body of water. It's part of the Argales de Rieulay slag heap, which has been successfully reconverted into a recreational site.


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