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Lens

Top 5 Lakes around Lens

Best lakes around Lens are found within the broader Nord-Pas-de-Calais region, now part of Hauts-de-France. While Lens itself is known for its mining history, the surrounding areas offer various aquatic environments for recreation. These bodies of water primarily include smaller lakes, reservoirs, and communal ponds. The region provides opportunities for nature observation and outdoor activities.

Best lakes around Lens

  • The most popular lake is The Grand Large of Mons, an artificial body of water north of Mons. It features…

Last updated: June 30, 2026

The Grand Large of Mons

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Le Grand Large is an artificial body of water north of the city of Mons. It can be reached via two different canals. The marina is located here. For the …

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The old quarries of the Dendre and Congo are a historic site of exploitation of blue stone, or "small granite", from the 18th century until 1951. Today submerged, they form …

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The Round House

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Pond at the Ronde Huis

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Beloeil small pond

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The Duck Farm was formerly part of the large park of the Princes of Ligne's castle; it was here that ducks were hunted to grace the tables of the lords …

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Pond on the Eastern Dender

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Here, the eastern Dender has just begun its journey and is therefore quite narrow. From Lens onwards, it noticeably widens; in Ath, it joins the western Dender, and in Dendermonde, it finally flows into the Scheldt as a substantial river.

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Popular around Lens

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The Wanderer
August 5, 2025, Petit étang de Beloeil

The Duck Farm was formerly part of the large park of the Princes of Ligne's castle; it was here that ducks were hunted to grace the tables of the lords of the manor, hence its name. Nowadays, it is a haven for amphibians, dragonflies, and other insects.

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Pond at the Ronde Huis

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Beautiful building in a quiet forest. Benches provided to enjoy a moment

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The old quarries of the Dendre and Congo are a historic site of exploitation of blue stone, or "small granite", from the 18th century until 1951. Today submerged, they form a vast body of water 4.5 hectares. The site is managed by the Otaries diving club and is home to rich biodiversity with more than 120 species of birds observed. The quarries, integrated into a natural setting, are a popular place for scuba diving and hiking.

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Very nice bike path, apart from the concrete slabs.

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View over the Grand Large to Mons.

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Aquatic and other recreation around Mons.

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Here, the eastern Dender has just begun its journey and is therefore quite narrow. From Lens onwards, it noticeably widens; in Ath, it joins the western Dender, and in Dendermonde, it finally flows into the Scheldt as a substantial river.

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Frequently Asked Questions

What kind of lakes can I expect to find near Lens?

Near Lens, you'll primarily find smaller lakes, reservoirs, and communal ponds rather than expansive natural bodies of water. These include artificial lakes like The Grand Large of Mons, historical sites where former quarries are now submerged, such as the Ancient quarries of the Dendre and the Congo, and natural areas like Beloeil small pond. These offer diverse environments for recreation and nature appreciation.

Are there any historical sites related to lakes in the Lens area?

Yes, the Ancient quarries of the Dendre and the Congo are a significant historical site. These former blue stone quarries, active until 1951, are now submerged, forming a vast body of water spanning 4.5 hectares. They are integrated into a natural setting and are popular for scuba diving and hiking.

Which lakes are suitable for family outings?

Several spots are great for families. The Grand Large of Mons is a popular destination with good cycle paths. Beloeil small pond is a natural area that was formerly part of the Beloeil Castle park, offering a tranquil setting. Additionally, the area around Beloeil Castle itself is family-friendly, with dogs allowed in the park.

Can I go swimming in any of the lakes near Lens?

While many smaller ponds and nature reserves like Lac de la Brèche prohibit swimming, Lac de la Corne, located nearby, does allow swimming. For more extensive swimming opportunities, Lac du Der-Chantecoq, though further afield, offers six equipped beaches with lifeguards during summer months.

What opportunities are there for nature observation or birdwatching around the lakes?

The region offers several spots for nature lovers. Beloeil small pond is a haven for amphibians, dragonflies, and other insects. The Ancient quarries of the Dendre and the Congo are home to rich biodiversity with over 120 species of birds observed. Further north, Lake Arques and Lake Saint-Omer near Calais are noted for birdwatching, hosting species like herons, ducks, and swans.

Are there cycling paths around the lakes?

Yes, The Grand Large of Mons is known for its good cycle paths along the water, making it a popular destination for relaxed cycling. For more cycling routes in the broader area, you can explore the Cycling around Lens guide, which includes routes like the 'RAVeL Along the Dender River'.

Where can I find hiking trails near the lakes around Lens?

You can find hiking opportunities around several lakes. The Ancient quarries of the Dendre and the Congo are a popular spot for hiking. The area around The Round House also features a great forest with many paths. For a wider selection of trails, consult the Hiking around Lens guide, which details routes like 'Balade d'Encre, Lens'.

Are there any lakes further afield in France that are worth visiting for a longer trip?

Yes, for a longer trip, two significant lakes in France stand out. Lac du Der-Chantecoq, the largest artificial lake in France, offers extensive walking and cycling paths, water sports, and is a national protected wildlife area. Lac des Settons in the Morvan Regional Natural Park is another popular destination for water sports, fishing, and exploring rich flora and fauna.

What do visitors enjoy most about the lakes around Lens?

Visitors appreciate the tranquility and natural beauty of these areas. Many enjoy the well-maintained cycle paths, especially around The Grand Large of Mons. The historical aspect of sites like the Ancient quarries of the Dendre and the Congo, combined with their rich biodiversity, is also a significant draw. The peaceful forest settings, such as near The Round House, are also highly valued.

Are there any dog-friendly options for walks around the lakes?

Yes, dogs are generally welcome in many outdoor areas. Specifically, dogs are allowed in the park surrounding Beloeil Castle, which is adjacent to the Beloeil small pond. It's always a good idea to check local regulations for specific trails or nature reserves regarding pets.

What kind of activities can I do at the Ancient quarries of the Dendre and the Congo?

The Ancient quarries of the Dendre and the Congo are a unique site. They are particularly popular for scuba diving, managed by the Otaries diving club. Additionally, the natural setting around the submerged quarries offers excellent opportunities for hiking and observing the rich biodiversity, including over 120 species of birds.

Is there a marina or facilities for boating at any of the lakes?

Yes, The Grand Large of Mons features a marina, making it a hub for boating activities. While smaller lakes near Lens might not have extensive boating facilities, larger destinations like Lac du Der-Chantecoq (further away) also offer multiple marinas for sailing and various water sports.

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