Best lakes around Valmondois are situated within the Parc Naturel Régional du Vexin français, an area recognized for its natural landscapes. Valmondois itself is a commune in the Val-d'Oise department, offering access to various water bodies in its vicinity. The region features a mix of natural and artificial lakes, often nestled within forests or alongside historical sites. These locations provide opportunities for outdoor activities and nature observation.
Last updated: July 6, 2026
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Very small but very cute castle in the middle of the forest
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Magnificent place for walking, running at the foot of the hunting castle
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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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pretty lake hidden in the middle of the forest
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For the Cross, it's worth the detour and the hunting castle. 1, passage is obligatory
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The most popular lake is the Pond and Château de la Chasse, known for its peaceful setting in the Montmorency forest and its medieval castle. Other highly appreciated spots include Le Petit Étang de Carnelle and The Blue Lake of Carnelle, both offering tranquil forest experiences.
Yes, the most prominent historical site is the Château de la Chasse, a medieval castle dating back to the 12th century, which reflects beautifully in its pond. Another historical location is the Château de Grouchy and its ponds, offering artistic walks within its magnificent park.
The lakes offer various outdoor activities. At the Pond and Château de la Chasse, you can enjoy walking, cycling, and mountain biking. For a wider range of recreational options, the Plan d'eau du Canada, though further afield in Beauvais, provides opportunities for swimming, fishing, pedal boating, kayaking, and hiking along its 3-kilometer path. You can also find numerous running, MTB, and road cycling routes in the Valmondois area.
Absolutely. Several lakes are ideal for families. The Pond and Château de la Chasse offers educational trails and picnic areas. The Blue Lake of Carnelle and Le Petit Étang de Carnelle are peaceful spots within the forest, perfect for nature observation. The Château de Grouchy and its ponds is also recommended for family picnics and walks.
Yes, the lakes are rich in flora and fauna. The Pond and Château de la Chasse is known for its diverse wildlife, including Florida turtles and ducks. The Plan d'eau du Canada, while further away, also boasts a rich ecology with various fish and bird species.
The Blue Lake of Carnelle gets its name from its deep blue color, which originates from the gypsum and marl rock at its bottom. Surrounded by oaks, beeches, and chestnut trees, it offers a visually stunning experience, especially on sunny days.
Yes, Le Petit Étang de Carnelle is an artificial pond located in the heart of the Carnelle forest, ideal for running a peaceful loop while enjoying the surrounding forest density.
The lakes are beautiful year-round, but spring and autumn offer pleasant temperatures for outdoor activities and vibrant natural scenery. Weekends can be busy, especially at popular spots like the Château de la Chasse, so weekdays might offer a more tranquil experience.
While Valmondois' immediate lakes are primarily natural forest settings, the Plan d'eau du Canada in Beauvais, approximately 41 kilometers away, is designed to be accessible. It features amenities and pathways suitable for people with reduced mobility, making it a comprehensive destination for a day out by the water.
Swimming is generally prohibited in the smaller forest ponds like Le Petit Étang de Carnelle for safety reasons due to their depth. For swimming, the Plan d'eau du Canada in Beauvais offers a sandy beach and designated swimming areas, making it a suitable option if you're willing to travel a bit further.
The terrain around the lakes varies. Areas like the Montmorency forest near the Château de la Chasse can offer technical mountain biking sections, while other paths, such as the 'Chemin du Philosophe,' are more gentle for walking. The Carnelle forest lakes provide peaceful, relatively flat loops suitable for running and leisurely strolls.
You can find more information about the historical and natural aspects of the Château de la Chasse and its pond by visiting its Wikipedia page: Château de la Chasse on Wikipedia or the Val d'Oise tourism site: Domaine du Château de la Chasse.


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