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Lassy

Top 7 Lakes around Lassy

Best lakes around Lassy offer diverse natural and historical landscapes. The region features several bodies of water, including artificial ponds and natural lakes nestled within forests. These areas provide opportunities for outdoor activities and observation of local flora and fauna. Lassy's lakes are often found in protected sites or near historical landmarks, contributing to their appeal.

Best lakes around Lassy

  • The most popular lakes is Étangs de Commelles, a lake that is a protected site rich in biodiversity within…

Last updated: June 22, 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 …

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White Queen's Castle

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Here we have a very beautiful landscape of lakes with the castle in the distance. A natural setting for the greatest pleasure of hikers! You can therefore land and take a break to recover your strength.

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Le Petit Étang de Carnelle

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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 …

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Étangs de Commelles

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The ponds of Commelles are part of the beautiful forest of Chantilly and therefore of the Regional Natural Park Oise-Pays de France It is a protected site, rich in biodiversity, …

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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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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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Here we have a very beautiful landscape of lakes with the castle in the distance. A natural setting for the greatest pleasure of cyclists. You can therefore land and take a break to recover your strength. The creperie in front of the lake is great!

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entrance fee unfortunately. Wikipedia summary: Royaumont Abbey is a former Cistercian monastery located in the hamlet of Baillon in Asnières-sur-Oise in the Val-d'Oise, about thirty kilometers north of Paris. It was built between 1228 and 1235 under the aegis of Saint Louis, and was then one of the most important abbeys in France. It remains a Cistercian abbey until the French Revolution, it is sold as national property and becomes a textile industrial site. It regained its religious vocation in 1864, until the Combes laws in 1905. The abbey was then bought by Jules Goüin, and his grandson Henry, an industrialist and music lover, opened its doors to artists, organized concerts there and makes a place of musical and cultural creation. He gave it to the Royaumont Foundation, which he created in 1964, the first private foundation for cultural purposes, which has since managed the site. The building has been listed as a historical monument since 1927 for its remains, and 1948 for the buildings of the abbey and the park.

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Frequently Asked Questions

Are there family-friendly lakes around Lassy?

Yes, several lakes around Lassy are considered family-friendly. For instance, Étangs de Commelles, Le Petit Étang de Carnelle, and The Blue Lake of Carnelle are all noted for being suitable for families, offering pleasant environments for walks and enjoying nature.

What kind of hiking trails can I find near the lakes around Lassy?

The region around Lassy offers a variety of hiking trails that often incorporate the lakes. You can find easy to moderate routes, such as the "Hérivaux Abbey – Plateau de Thimecourt Fosses loop from Lassy" which is an easy 6.94 km hike. For more options, explore the Hiking around Lassy guide.

Are there opportunities for cycling or running near Lassy's lakes?

Absolutely. The forests and areas surrounding Lassy's lakes provide excellent terrain for both cycling and running. You can find gravel biking routes like the "Chantilly Castle – Chantilly Castle loop from La Borne Blanche" (40.94 km) or various running trails, including the "Luzarches Market Hall loop from Luzarches" (8.71 km). Check out the Gravel biking around Lassy and Running Trails around Lassy guides for detailed routes.

Are there any historical sites near the lakes around Lassy?

Yes, the lakes around Lassy are often nestled near significant historical landmarks. For example, Royaumont Abbey is a beautiful historical site with parks and a lake nearby. The Étangs de Commelles were also frequented by romantic artists and authors in the 19th century, adding to their historical charm. You can also find the White Queen's Castle overlooking a lake landscape.

What natural features make the lakes around Lassy unique?

The lakes around Lassy are notable for their diverse origins and natural beauty. Many are artificial ponds formed from old marl quarries, like Le Petit Étang de Carnelle, which is 20 meters deep. The Blue Lake of Carnelle gets its distinctive deep blue color from the gypsum and marl rock at its bottom. These lakes are often surrounded by rich forests of oaks, beeches, and chestnut trees, and some, like Étangs de Commelles, are protected sites rich in biodiversity.

When is the best time to visit the lakes around Lassy?

The lakes around Lassy can be enjoyed throughout the year. Spring brings vibrant flora and fauna, such as thousands of frogs at Étangs de Commelles in March. Summer offers pleasant conditions for outdoor activities. Autumn showcases beautiful foliage, especially around the forests of Carnelle. Even winter provides opportunities for serene walks.

Are the walks around Lassy's lakes dog-friendly?

Generally, many of the natural areas and forest paths around Lassy's lakes are suitable for dog walks. However, it's always recommended to keep dogs on a leash, especially in protected natural sites or areas with wildlife, and to check for specific local regulations at each location.

Can I go wild swimming in the lakes around Lassy?

While the lakes offer beautiful scenery, wild swimming is generally not permitted or recommended due to safety reasons and environmental protection. For example, swimming is prohibited at Le Petit Étang de Carnelle. These areas are primarily for enjoying nature, walking, and observing wildlife.

Are there any hidden gem lakes or unique spots to discover near Lassy?

Beyond the well-known spots, the region's artificial ponds and natural forest lakes, often formed from old quarries, offer unique discoveries. The Blue Lake of Carnelle, with its distinctive color, is a unique natural phenomenon. Exploring the less-trafficked paths within the Carnelle and Chantilly forests can lead to peaceful, secluded spots.

Are there cafes or parking facilities near the lakes around Lassy?

Yes, some areas near the lakes offer amenities. For instance, the White Queen's Castle area has a creperie. Parking is often available near popular trailheads and attractions, such as the car park near Royaumont Abbey which also has bicycle parking.

What should I bring when visiting the lakes around Lassy?

When visiting the lakes around Lassy, it's advisable to bring comfortable walking shoes, water, and snacks. Depending on the weather, consider sun protection (hat, sunscreen) or rain gear. Binoculars can enhance wildlife observation, and a camera is great for capturing the scenic views. If you plan to hike or cycle, ensure you have appropriate gear for your chosen activity.

What do visitors particularly enjoy about the lakes around Lassy?

Visitors appreciate the tranquil natural settings, the opportunity for peaceful walks, and the diverse landscapes. Many enjoy the blend of natural beauty with historical elements, such as castles and abbeys. The unique colors of lakes like The Blue Lake of Carnelle and the rich biodiversity of protected sites like Étangs de Commelles are also frequently highlighted.

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