Best lakes around Orchies are found in the surrounding Nord department, offering diverse natural beauty and recreational activities. This region, historically known for its mining industry, features several lakes that have been successfully rehabilitated into natural and leisure areas. Visitors can explore a variety of landscapes, from former industrial sites transformed into vibrant ecosystems to established nature reserves. These freshwater bodies provide opportunities for outdoor activities and natural observation.
Last updated: May 9, 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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there was so much water that I considered trading in my hiking boots for a pair of fins
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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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One of the most popular lakes is Étang des Argales, known for its unique history as a rehabilitated mining site, rich biodiversity, and diverse recreational activities. Visitors also appreciate the calm and picturesque Observatiehut Péronne for birdwatching.
Yes, several lakes offer family-friendly options. Étang des Argales features an artificial beach with supervised swimming during summer, making it ideal for families. The Terril des Argales Beach is also a great spot for a family outing. The Germignies Marsh and Spoil Heap is another family-friendly natural environment to explore.
The lakes around Orchies offer diverse natural features. Étang des Argales is notable for its atypical vegetation and exceptional fauna, including around a hundred different bird species. The Germignies Marsh and Spoil Heap boasts a rich natural environment with a birch forest and rare plant species. Heron Lake, a nature reserve, supports diverse flora and fauna, including over 200 bird species.
Absolutely. Étang des Argales offers paths suitable for mountain biking and gravel biking, and the challenging Around the Rieulay lake route is popular for mountain biking. You can find more cycling options in the area by exploring the MTB Trails around Orchies, Road Cycling Routes around Orchies, and Cycling around Orchies guides.
Yes, the lakes are excellent for birdwatching. Étang des Argales is home to around a hundred different bird species, and the Observatiehut Péronne provides a calm spot to observe nature and birds. Heron Lake, a classified nature reserve, is known for its over 200 bird species.
Many lakes in the Nord department, including Étang des Argales and Goriaux Pond, have a unique history as rehabilitated industrial or mining sites. Étang des Argales formed due to ground subsidence from mining and underwent extensive renaturation, transforming it into a vibrant natural and recreational area. Goriaux Pond is also a mining subsidence pond and a national biological reserve.
Yes, swimming is possible in designated areas. At Étang des Argales, the water quality for swimming is rated 'excellent,' and supervised swimming is available during the summer months at its artificial beach.
You can enjoy walking or cycling around Étang des Argales, which also offers panoramic views from the former slag heap. Heron Lake and Vineyard Pond feature well-maintained walking paths. The Germignies Marsh and Spoil Heap also provides a rich natural environment for walks.
Yes, there are several scenic spots. The former slag heap at Étang des Argales offers a 360° panoramic view of the area. Observatiehut Péronne is a picturesque place for nature observation. The challenging Around the Rieulay lake route also provides magnificent views of the lake and sunset.
Beyond swimming and cycling, you can enjoy fishing, kayaking, and sailing in designated areas at Étang des Argales. Many lakes, like Téteghem Lake, also offer picnic areas and opportunities for equestrian activities.
The best time to visit depends on your preferred activities. Summer is ideal for swimming and enjoying the artificial beach at Étang des Argales due to supervised swimming. Spring and autumn offer pleasant temperatures for walking, cycling, and birdwatching, with vibrant natural scenery.
While specific public transport details vary by lake, Étang des Argales is well-documented as a recreational site, implying accessibility. For most natural sites in the region, driving and parking nearby is often the most convenient option. It's advisable to check local information for specific parking facilities at each lake.


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