Best castles around Oncy-Sur-École are nestled within the Gâtinais region, characterized by its natural landscapes and historical estates. The area features a mix of medieval fortresses and classical châteaux, often set amidst extensive parks and water features. This region provides opportunities to explore centuries of French heritage within a natural environment, with several notable properties in close proximity.
Last updated: July 1, 2026
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Departure point for hikes, parking lot always busy and halfway between the town center and the Fontainbleau forest
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This was one of the locations used for the filming of the 3 Mousquetaires with Vincent Cassel, François Civil, Romain Dursis & Pio Marmai
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Standing in the heart of the Gâtinais, the Courances estate extends over 75 hectares and includes a magnificent 17th century castle as well as its park and vegetable garden. Closed during the winter, it opens its doors the rest of the year for fun visits. If you're not pressed for time, don't hesitate to drop by.
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Built from the 16th century onwards from plans drawn up by Pierre Lescot, then architect of the Louvre, this castle is the result of a succession of work campaigns, because as Anatole France said "An ancient monument is a book on which each generation has written a page." But here the architectural style remains fairly homogeneous, the use of brick and cut stone unifying all the facades. The road passes right in front of "La Poterne", a sort of small house, which is the only place from where you can enjoy a view of the castle in its entirety. It is in fact the former home of the caretaker who, from his perch, could monitor the comings and goings within the enclosure. This Poterne offers a few rooms that have been renovated for tourist stays.
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Malesherbes is a town that has a strategic location for those who want to discover the French Gâtinais. Malesherbes station is served by the RER D which takes you to and from Paris. You can also visit its magnificent castle.
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Located less than an hour from Paris, in the heart of the Gâtinais, the Domaine de Courances covers 75 hectares, surrounded by water, trees and the sky. Everything is to be discovered, throughout the seasons: the Castle, the Gardens, the Foulerie, the Vegetable garden... Let yourself be inspired by these places of charm and history. https://www.domainedecourances.com/
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Medieval castle presenting elements of the 13th century, raised in the 15th century by Louis Mallet, governor general of Normandy. In the 16th century, presence of Vendôme and Montmorency. The entrance gatehouse comprises two circular towers with machicolations topped at the beginning of the 19th century by brick crenellations.
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You can visit several notable castles in the vicinity of Oncy-sur-École. The Domaine de Courances is known for its magnificent water gardens and Louis XIII-style château. The La Bonde Castle, also known as Château de Milly-la-Forêt, offers a glimpse into medieval architecture. While Fleury-en-Bière Castle is impressive, it is primarily private property and not generally open for visits.
La Bonde Castle is a medieval fortress with parts dating back to the 13th century. It was significantly rebuilt around 1475. Key features include two circular towers with machicolations at the entrance and brick crenellations added in the 19th century. The castle has a rich history, having been owned by prominent families and is formally recognized as a historical monument.
The Domaine de Courances is renowned for its exceptional 75-hectare park, considered one of the most beautiful gardens in France. It features a remarkable Renaissance water garden with fourteen springs feeding seventeen water features, including canals, ponds, and a water mirror. The estate also boasts a superb Japanese garden and a 3-hectare organic vegetable garden.
Yes, both the Domaine de Courances and Fleury-en-Bière Castle are categorized as family-friendly. The extensive gardens and tranquil ambiance at Courances provide a pleasant environment for families to explore. While La Bonde Castle is also a historical site, its primary appeal is its architecture and history.
At the Domaine de Courances, visitors can take guided tours of the château's interior, which features tapestries, wood paneling, period furniture, and family memorabilia. La Bonde Castle (Château de Milly-la-Forêt) is a historical monument, but public access to its interior may be limited; check their official website for current visiting information. Fleury-en-Bière Castle is private property and generally not open for interior visits.
The region around Oncy-sur-École offers various outdoor activities. You can find numerous hiking and cycling routes. For example, there are moderate hiking trails like the 'Milly-la-Forêt and Coquibus Trail' or the 'Milly-la-Forêt Village Center – Domaine de Courances loop'. Cycling options include easy routes such as the 'Domaine de Courances – Le Cyclop by Jean Tinguely loop'. You can explore more routes on the hiking guide or cycling guide for Oncy-sur-École.
Yes, the castles are set within natural environments. The Domaine de Courances is famous for its extensive water gardens and ancient trees. La Bonde Castle is situated near an artificial island of the L'École River, with its park featuring canals. You can also find a View of the Castle and River in Parc Naturel Régional du Gâtinais Français, which serves as a departure point for hikes.
The spring and summer months are generally ideal for visiting the castles, especially for enjoying their gardens. The Domaine de Courances, with its renowned water gardens and Japanese garden, is particularly vibrant during these seasons. While some estates close during winter, they typically open the rest of the year for visits, allowing you to experience the changing landscapes.
Yes, within the Domaine de Courances, you can find La Foulerie, a tea room that offers a delightful spot for a break, overlooking the Japanese garden. Additionally, the nearby towns and villages around Oncy-sur-École would offer further dining options.
While specific public transport details for each castle might vary, the town of Malesherbes, which has a castle, is served by the RER D, connecting it to Paris. For castles like Domaine de Courances and La Bonde Castle, located a few minutes from Oncy-sur-École, it is advisable to check their official websites for the most up-to-date public transport information or consider driving for easier access.
The castles in this region offer insights into centuries of French heritage. La Bonde Castle (Château de Milly-la-Forêt) is a medieval fortress with origins in the 13th century, reflecting periods of conflict and reconstruction. The Domaine de Courances showcases Louis XIII-style architecture and a Renaissance water garden, representing a different era of French design and aristocratic life. These sites highlight the architectural evolution and the lives of prominent families throughout history.
While the specific dog policies for the interior of the castles and their immediate formal gardens can vary, the surrounding natural areas and many of the hiking routes in the Gâtinais region are generally dog-friendly. For instance, the 'Milly-la-Forêt and Coquibus Trail' or other routes listed in the hiking guide for Oncy-sur-École often allow dogs, provided they are kept on a leash. Always check individual castle policies before visiting.


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