Best lakes around Toufflers are found in the vicinity, offering diverse natural landscapes and recreational opportunities. The area is characterized by its proximity to significant natural spaces, including Lac du Héron, which is part of a larger chain of lakes designed for water regulation. These bodies of water contribute to the region's natural appeal, providing habitats for various flora and fauna. Visitors can explore well-maintained paths and observe local wildlife in these preserved natural environments.
Last updated: July 3, 2026
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The filter ponds in Leers were built to supply water to the Roubaix Canal, which is located nearby. Their primary function is to purify some of the water from the Grimonpont wastewater treatment plant. This plant initially filters 75% of the water; the ponds then process the remaining 25%. This final filtration takes seven days. During this process, the water flows through several ponds, moving from one to the other by gravity. This filtration technique is called phytoremediation: the water is naturally purified by algae, plants, and microorganisms that thrive in these ponds. In Leers, plants such as yellow iris and purple loosestrife, among others, play this purifying role. After seven days of filtration, the water flows into a final 9,000 m² basin. At this stage, it is perfectly purified and of very high quality. This final basin, known as the "storage basin," is the final step before the water is conveyed to the canal. The Leers filter ponds, formerly a landfill, are now a peaceful 5-hectare nature reserve, perfect for a relaxing walk, alone or with the family. The area is home to around thirty bird species, including the coot, the Mediterranean gull, and the reed bunting. If you look closely, you might even be lucky enough to spot a smooth newt swimming in the ponds, searching for small invertebrates to feed on. To protect the environment and wildlife, dogs must be kept on a leash on the paths and are not permitted in the winding sections of the ponds. Source: enm.lillemetropole.fr
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Just before Heron Park, a pretty little lake with easy access. Can be done on a gravel bike or mountain bike. There are quite a few hikers on weekends.
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HERE / Created in 1927, on the site of a former disused cemetery, Parc Clemenceau is the work of landscaper Edouard André. This professor at the National School of Horticulture in Versailles kept the existing chestnut trees in order to create a "screen" in front of the unsightly factories present at the time in the district. Rockeries from the Palais Vaissier and the pillars of the Château Masurel were even reused to develop the park! ELSEWHERE / United Kingdom: London's public parks and gardens With its "swan lake" and its winding walks, Parc Clemenceau has a very British feel that recalls the large parks of the English capital: Saint James Park, Hyde Park or Regent Park. "Green lungs" once created to clean up very dense industrial cities and allow residents to get some fresh air and show off. Author: TOURCOING TOURISME
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Parc Georges Clemenceau is a beautiful park located in the heart of the Belencontre area. It is the second largest park in the city and covers approximately 11 hectares. Among other things, you will find the Lac aux Cygnes: A charming pond with waterfalls and fountains that create a peaceful and picturesque atmosphere.
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A beautiful place to run between lake and forest. It is a haven of peace in the middle of the Lille metropolis.
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Beautiful nature and fun to cycle
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Quite. Besides, leaving from Lille, it’s the “green departure”. But in the sun, it (already) makes you want to relax there.
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The lakes around Toufflers offer a variety of outdoor activities. You can enjoy walking, cycling, and nature observation, particularly at Heron Lake. Fishing is also permitted there. For more structured activities, there are numerous routes for cycling, mountain biking, and running in the vicinity, including routes that pass by the lakes.
Yes, several lakes are great for families. Heron Lake offers picnic areas and children's playgrounds, along with easy walking paths. The Leers Filtration Ponds provide a peaceful setting for a family walk, and Spanish Lake is also noted for its easy access, making it suitable for all ages.
The lakes are rich in biodiversity. Heron Lake, part of a regional nature reserve, is a haven for birdwatchers with over 200 species recorded, including great crested grebes and gray herons. The Leers Filtration Ponds are home to around 30 bird species like coots and reed buntings, and you might even spot a smooth newt.
The lakes are generally enjoyable year-round. However, for pleasant walking and cycling conditions, spring and autumn offer mild temperatures and beautiful scenery. Summer is also popular, but be aware that areas like Heron Lake and Spanish Lake can become quite crowded on weekends or during good weather, as noted by visitors.
Dogs are generally welcome on paths around the lakes. However, at the Leers Filtration Ponds, dogs must be kept on a leash on the paths and are not permitted in the winding sections of the ponds to protect the environment and wildlife.
A full circuit around Heron Lake is approximately 4.6 km (2.8 miles). It is considered an easy route, accessible to most, and typically takes about an hour to complete at a leisurely pace.
Yes, within the broader Parc du Héron, which encompasses Heron Lake, you can find the Asnapio archaeological park and a 17th-century hunting lodge. Additionally, Swan Lake in Parc Georges Clemenceau was created in 1927 on the site of a former cemetery, with elements from historic local buildings reused in its design.
While specific parking details for each lake are not extensively provided, Swan Lake, Parc Georges Clemenceau, is noted to have parking available. For other lakes like Heron Lake, it is generally accessible by car with nearby parking facilities in Villeneuve-d'Ascq. Public transport options would typically involve local bus services to the towns adjacent to the lakes.
Near Heron Lake, within the Parc du Héron, you can find an estaminet (a traditional Flemish pub) at Ferme Petitprez, offering a pleasant break and traditional games. Picnic areas are also available at Heron Lake for those who bring their own refreshments.
The Leers Filtration Ponds are unique because they serve a dual purpose: they are a beautiful 5-hectare nature reserve that also functions as a natural water filtration system. Using phytoremediation, plants, algae, and microorganisms naturally purify water from a nearby wastewater treatment plant, making it a fascinating example of ecological engineering and a peaceful spot for nature observation.
Yes, the lakes offer several scenic spots. Heron Lake provides expansive views of its 110 hectares of water and green areas. Swan Lake in Parc Georges Clemenceau is particularly charming with its waterfalls and fountains, creating a picturesque atmosphere.
The terrain around the lakes is generally easy and accessible. Heron Lake is surrounded by well-maintained paths suitable for both walking and cycling. Spanish Lake also has easy access and is suitable for gravel or mountain biking, indicating relatively flat and manageable paths.


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