Lakes near Boissy-l'Aillerie are primarily found in the surrounding Val d'Oise department, as the commune itself features fishing basins rather than large recreational lakes. This region offers diverse options for outdoor activities and relaxation. Visitors can find leisure bases with extensive water sports, picturesque natural lakes for hiking, and tranquil ponds within historic parks. These varied aquatic environments provide opportunities for fishing, swimming, and nature observation.
Last updated: July 7, 2026
Highlight • Historical Site
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Highlight • Castle
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Very pleasant leisure center for a relaxing break with many possible activities
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Can be very busy with lot of people and childrens wandering, not very suitable for cycling.
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Sandy beach on the Seine
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The Orangery garden of the Château de Menucourt is a magnificent park restored in 2013. It is open to the public (free). A very pleasant route allows you to discover gigantic trees and views of this beautiful castle.
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The Orangery garden of the Château de Menucourt is a magnificent park restored in 2013. It is open to the public (free). Discover this garden and this pond planted with a small island. A very pleasant route allows you to discover gigantic trees and views of this beautiful castle.
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The beach at Ile de Loisirs Val-de-Seine is one of the rare sandy beaches in the region. Although it is quite popular in high season, you will usually find enough space to enjoy it!
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Hi walkers This is a must, but I would add that you have to walk in the park only on weekdays, leave large families on the weekends, the atmosphere can quickly get "heavy" with too many people. Otherwise a beautiful nugget, if you make every nook and cranny ...
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Ideal for family picnics and artistic walks. The park is magnificent!
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For a wide range of family activities, the Cergy-Pontoise Leisure Park is an excellent choice, offering swimming, a sandy beach, and various water and land sports. Another great option is Plage de L'Isle-Adam, known as France's largest river beach, with swimming pools, slides, mini-golf, and pedal boats.
The Château de Grouchy and its ponds offer a beautiful 42-hectare park with lawns and wooded areas, perfect for strolls and picnics. Another serene spot is the Étang du Corra, a protected natural area ideal for hiking and birdwatching, located near the Saint-Germain-en-Laye forest.
Yes, the Bassins des Sources within Boissy-l'Aillerie are primarily fishing basins with a 'no-kill' policy. Additionally, Lac Bleu in Forêt de Carnelle and Étang du Corra are popular spots for fishing, with various species present.
The Cergy-Pontoise Leisure Park is a hub for water sports, offering water skiing, wakeboarding, kayaking, rafting, and hydrospeed, including a unique water ski lift and an artificial white water stadium. Lac d'Enghien also provides pedal boating and electric boat rentals for a more relaxed experience.
Lac Bleu in Forêt de Carnelle is excellent for hiking, with the GR1 trail passing through and loops ranging from 5 to 12 km. It's also a beautiful spot for picnicking and enjoying the unique emerald-colored water. The Étang du Corra is another protected natural area, perfect for peaceful walks and birdwatching along its 4.5 km perimeter.
Yes, the Château de Grouchy and its ponds in Osny feature a 42-hectare park with a lake, providing a scenic backdrop for walks within historic grounds. The Orangery Garden of the Château de Menucourt also offers a magnificent restored garden with a pond and views of the castle.
You can enjoy swimming at Plage de L'Isle-Adam, which features a bathing complex with multiple pools and fine sand. The Cergy-Pontoise Leisure Park also offers designated swimming areas and a sandy beach. Note that swimming is prohibited at Bassins des Sources, Lac Bleu, and Étang du Corra.
Yes, the region offers several cycling opportunities. For example, you can find routes like the "Cergy-Pontoise Ponds – Axe Majeur Footbridge loop" which is an easy 17.6 km ride. For more options, explore the Cycling around Boissy-L'Aillerie guide.
Absolutely. You can find gravel biking routes such as the "Axe Majeur footbridge – Ètang de Cayennes loop" which is an easy 24.3 km ride. Discover more trails in the Gravel biking around Boissy-L'Aillerie guide.
Visitors frequently praise the diverse activities available, especially at places like Cergy-Pontoise Leisure Park for its wide range of sports and relaxation. The scenic beauty and peaceful atmosphere of sites like the Château de Grouchy and its ponds are also highly valued for family picnics and walks.
Lac d'Enghien is a picturesque destination known for relaxation and gentle outdoor activities. You can enjoy walking, running, or reading by the water, and rent pedal or electric boats. Its proximity to a casino and thermal baths also makes it a popular well-being destination.
Yes, Lac Bleu in Forêt de Carnelle stands out with its unique emerald color, a result of its gypsum and marl rock bed. This old quarry, deeply set in the forest, offers a picturesque and serene setting with dense woods and open water views.


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