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Bernes-Sur-Oise

Top 7 Lakes around Bernes-Sur-Oise

Best lakes around Bernes-Sur-Oise are often former quarries transformed into natural havens within the Val-d'Oise department of France. This region offers tranquil environments and diverse wildlife, providing opportunities for observation and walks. The landscape is characterized by dense forests and bodies of water with unique geological features. Bernes-Sur-Oise serves as a gateway to these natural spaces, which combine ecological value with historical interest.

Best lakes around Bernes-Sur-Oise

  • The most popular lakes is Le Petit Étang de Carnelle, an artificial lake located in the heart of old marl quarries. This peaceful pond, with an area of 1.3 hectares and a depth of 20 meters, is ideal for walks and observing fishermen.
  • Another must-see spot is The Blue Lake of Carnelle, a lake within the Carnelle forest known for its striking deep blue color on sunny days. This hue results from a mixture of gypsum and marl rock at its bottom, and it is surrounded by oaks, beeches, and chestnut trees.
  • Visitors also love Étang des Trois Sources, a lake built on a former quarry. This vibrant natural space allows for the observation of various bird species, including moorhens, swans, ducks, and barnacle geese.
  • Bernes-Sur-Oise is known for artificial ponds, former quarry lakes, and forest lakes. These bodies of water offer a variety of natural settings to explore.
  • The lakes around Bernes-Sur-Oise are appreciated by the komoot community, with more than 150 upvotes and 15 photos shared by visitors.

Last updated: June 24, 2026

Royaumont Abbey

Highlight • Historical Site

The abbey is open to the public. Entrance fee for a very interesting visit to this beautiful place steeped in history...

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The Blue Lake of Carnelle

Highlight • Forest

Lac Bleu is one of the two bodies of water in the Carnelle forest. On sunny days, its name takes on its full meaning. But there is another reason for the name of this lake from ancient quarries. The rock at the bottom is a mixture of gypsum and marl. The color is changing due to algae, but originally it is deep blue. Around the lake, one can appreciate oaks, beeches and chestnuts. A feast for the eye!

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Le Petit Étang de Carnelle

Highlight • Lake

The Petit Étang de Carnelle is located in the heart of the forest of old marl quarries. With an area of 1.3 hectares and a depth of 20 meters, this pond is artificial. It is a peaceful place, ideal for running a loop and watching the fishermen settle in peace. Certain points of view allow you to better appreciate the density of the forest.

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Étangs de Toutevoie

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The Toutvoie ponds are a peaceful, pleasant and friendly place. There are barbecue facilities as well as very nice paths for walking. Fishing and swimming are prohibited!

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Étang des Trois Sources

Highlight • Lake

The Trois Sources pond is a beautiful place built on a former quarry which breathes nature and where you can observe many birds, moorhens, swans, ducks and barnacle geese.

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Tips from the Community

Georgy Pichery
March 20, 2026, Abbaye de Royaumont

A place to recharge your batteries

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What is to be remembered from this route is the passage through the Carnelle forest. However, there are too many roads on the Isle Adam and along the Oise. No particular difficulty.

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Vince
September 15, 2024, Étang des Trois Sources

The Trois Sources pond is a beautiful place built on a former quarry which breathes nature and where you can observe many birds, moorhens, swans, ducks and barnacle geese.

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Very beautiful abbey. I recommend the tour and the restaurant which is incredible.

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pretty lake hidden in the middle of the forest

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There are places to park bicycles in the car park.

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Thierry
November 12, 2022, Étangs de Toutevoie

a small walk full of charm, beautiful encounter with not shy horses! Gunshot in the forest of Gouvieux. Same shooting range. Anyway pond, very passable path. To do again!

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Frequently Asked Questions

What makes the lakes around Bernes-sur-Oise unique?

Many of the lakes in the Bernes-sur-Oise region are former quarries that have been transformed into tranquil natural havens. They are known for their diverse wildlife, peaceful environments, and unique geological features, such as the striking deep blue color of The Blue Lake of Carnelle, which comes from a mixture of gypsum and marl rock.

Are there family-friendly lakes to visit near Bernes-sur-Oise?

Yes, several lakes are suitable for families. Le Petit Étang de Carnelle is a peaceful spot ideal for walks, and The Blue Lake of Carnelle offers beautiful scenery. The Étangs de Toutevoie also provide a pleasant and friendly environment with paths for walking, though swimming and fishing are prohibited.

What kind of wildlife can I observe at these lakes?

The lakes are rich in biodiversity. At Étang des Trois Sources, you can observe various bird species, including moorhens, swans, ducks, and barnacle geese. The Comelles Lakes are particularly significant for ornithology, supporting the reproduction of aquatic birds and hosting rare plant species. In March, thousands of frogs and toads gather here to mate.

Are there historical sites near the lakes?

Yes, the region combines natural beauty with historical interest. The Comelles Lakes, for instance, were originally created in the 13th century by monks and are overlooked by the historic Château de la Reine Blanche. Additionally, Royaumont Abbey, a significant historical and religious site, is located nearby and features beautiful parks and a lake.

Can I go hiking or running near the lakes?

Absolutely. The area offers numerous opportunities for outdoor activities. You can find various running trails, such as the 'Running loop from Le Mesnil-en-Thelle' or 'Lys Chantilly Beach loop from Bruyères-sur-Oise'. For more options, explore the Running Trails around Bernes-Sur-Oise guide.

Are there cycling routes available around the lakes?

Yes, the region is well-suited for cycling. You can enjoy routes like 'Banks of the Oise – Auvers-sur-Oise loop from Bruyères-sur-Oise' or 'Chantilly Castle – Chantilly racecourse loop from Bruyères-sur-Oise'. For a comprehensive list of routes, check out the Cycling around Bernes-Sur-Oise guide.

What is the best time of year to visit the lakes?

The lakes are beautiful year-round, but spring and autumn offer particularly pleasant conditions for walks and wildlife observation, with comfortable temperatures and vibrant foliage. Spring is also notable for observing amphibian activity at the Comelles Lakes. Summer is ideal for enjoying the striking blue color of The Blue Lake of Carnelle on sunny days.

Are dogs allowed on trails around the lakes?

While specific dog policies vary by location, many natural areas and forest trails in France are generally dog-friendly, especially if dogs are kept on a leash. It's always recommended to check local signage or park regulations upon arrival to ensure compliance and respect for wildlife.

Can I swim in the lakes around Bernes-sur-Oise?

Swimming is generally prohibited in many of these former quarry lakes for safety reasons. For example, swimming is not allowed at Le Petit Étang de Carnelle and the Étangs de Toutevoie. Always look for local signage regarding swimming regulations.

What are the Comelles Lakes known for?

The Comelles Lakes, located within the Chantilly forest, are renowned for their historical significance as 13th-century fish ponds and their exceptional biodiversity. They feature shaded footpaths, ancient trees, and the historic Château de la Reine Blanche. The first lake is particularly rich in birdlife and rare plant species, and it's a significant site for amphibian reproduction in March.

Where can I find more information about the Comelles Lakes?

For more detailed information about the Comelles Lakes, including their natural and historical significance, you can visit the Parc Oise-Pays de France website: parc-oise-paysdefrance.fr.

What kind of terrain can I expect on walks around the lakes?

The terrain around the lakes typically consists of shaded footpaths through dense forests, as many lakes are nestled within areas like the Carnelle forest or Chantilly forest. These paths are generally suitable for leisurely walks, offering a peaceful experience amidst nature.

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