Best lakes around Marquette-En-Ostrevant offer diverse natural attractions. This region features a variety of natural water bodies, including lakes, marshes, and former mining sites repurposed for outdoor activities. Visitors can explore areas with unique landscapes, from artificial beaches to natural ponds and birch forests. The area provides opportunities for walking, hiking, and cycling around its water features.
Last updated: July 7, 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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You can enjoy this site composed of several natural and artificial ponds. It is a rich natural environment with a birch forest. There are many rare plant species and the European nightjar frequents the site during the nesting period.
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Visitors frequently enjoy Étang des Argales, known for its beautiful views and bird sanctuary. Another favorite is Around the Rieulay lake, which offers magnificent views, especially at sunset. The unique Terril des Argales Beach, an artificial beach on a reconverted slag heap, is also very popular for walks.
Yes, several spots are great for families. Étang des Argales is listed as family-friendly, offering beautiful views and a bird sanctuary. The Terril des Argales Beach provides a unique setting for family walks. Additionally, the Germignies Marsh and Spoil Heap is a rich natural environment with ponds and a birch forest, suitable for family exploration.
The region offers diverse natural environments. You'll find lakes, marshes, and even repurposed mining sites. For instance, Étang des Argales features a marsh with a bird sanctuary. The Germignies Marsh and Spoil Heap boasts several natural and artificial ponds, a birch forest, and rare plant species, with the European nightjar frequenting the site during nesting season.
Absolutely. The area around the lakes is well-suited for hiking. For example, The Round Basin offers a completely renovated course suitable for walking and hiking. You can find more detailed hiking routes and guides, including options like the 'Bassin Rond and the Scheldt' loop, on the Hiking around Marquette-En-Ostrevant guide.
Yes, cycling is a popular activity. Étang des Argales is accessible for mountain biking or gravel cycling around its perimeter. Around the Rieulay lake is also great for mountain biking. For more routes, check out the MTB Trails around Marquette-En-Ostrevant guide.
Visitors particularly appreciate the diverse landscapes, from the beautiful views at Étang des Argales to the unique experience of walking on the reconverted slag heap at Terril des Argales Beach. Many also enjoy the opportunities for mountain biking and the serene atmosphere for breaks and sunset views at places like Around the Rieulay lake.
Yes, Étang des Argales offers several beautiful views, with kiosks around the marsh to admire the landscapes. Around the Rieulay lake is known for its magnificent views, especially at sunset, making it a great spot for a break.
Yes, there are options for easy walks. The course around The Round Basin has been renovated and is suitable for walking. The Terril des Argales Beach also provides a beautiful walk on a magnificent site. For more easy routes, consult the Hiking around Marquette-En-Ostrevant guide, which includes easy-grade trails.
The natural areas around the lakes are rich in wildlife. At Étang des Argales, there's a marsh with a bird sanctuary. The Germignies Marsh and Spoil Heap is a particularly rich natural environment with rare plant species and is frequented by the European nightjar during its nesting period.
Yes, the renovated course at The Round Basin is suitable for running. You can find various running trails around the area, including loops like 'Bouchain - Bassin Rond' and 'Étang du Grand Clair', by visiting the Running Trails around Marquette-En-Ostrevant guide.
The Terril des Argales Beach is part of the Argales de Rieulay slag heap, which was once the largest in the region. After its mining operations closed, the site underwent a successful reconversion, transforming into a unique landscape that now features an artificial beach on a body of water, offering a distinct walking experience.


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