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Heritage Days 2025: guided tours of the astonishing Château de la Roche Guyon (95)

Take advantage of the Journées du Patrimoine (Heritage Days) on Saturday September 20 and Sunday September 21, 2025, to visit a unique château in the Île-de-France region: Château de la Roche Guyon, located in the Val d'Oise.

Heritage Days 2025: tours of the medieval château de Villeconin (91)

The Château de Villeconin, located in the Essonne region of France, invites us to take advantage of the new edition of the Journées du Patrimoine (Heritage Days) by showcasing its treasures during a program of visits this weekend of September 20 and 21, 2025.

Heritage Days 2025: discover the château and park at Courson (91)

The Domaine de Courson in Essonne invites you to join us for the 42nd Heritage Days. On the weekend of September 20 and 21, 2025, discover the château and its remarkable garden through a special program of visits.

Heritage Days 2025: program of events at Château de Rambouillet (78)

September sees the return of the Journées du Patrimoine (Heritage Days): find out what's on at the Château de Rambouillet (78) on September 20 and 21, 2025.

Heritage Days 2025 at Château de Plaisir in Yvelines (78)

What if, for these Journées du Patrimoine 2025, we set out to conquer the castles of the Île-de-France region? In the Yvelines, the Château de Plaisir is entering the ball! Here's what's in store for you on September 20 and 21, 2025.

Heritage Days 2025: discover the program at Château de Rosa Bonheur (77)

The Château de Rosa Bonheur in Thomery is taking part in the latest edition of the Journées du Patrimoine. An opportunity to immerse yourself in the world of the famous animal painter. Discover the program for September 20 and 21, 2025.

Heritage Days 2025: exceptional visit and beekeeping at Château de la Celle-Saint-Cloud (78)

On September 20 and 21, 2025, discover the magnificent gardens of the Château de la Celle-Saint-Cloud, in the Yvelines region, an estate belonging to the French Ministry of Foreign Affairs and host to heads of state! This year, we'll be exploring the estate and meeting beekeepers through an exhibition in the Orangerie.

Journées du Patrimoine 2025 in Paris: architectural tours at the Domaine du Palais-Royal

The Palais-Royal opens its doors to us for the Journées du Patrimoine, on September 20 and 21, 2025, and offers a special program for the occasion. This year, we're getting ready to explore this treasure of Paris's 1st arrondissement from an architectural perspective! Here's what you need to know.

Heritage Days 2025 at the Château royal de Montceaux (77): discover the Château des Trois Reines

How about exploring the remains of the Château Royal de Montceaux? This historic site in Seine-et-Marne is opening its doors to us for the Journées du Patrimoine (Heritage Days) on the weekend of September 20 and 21, 2025.

Heritage Days 2025 at Château de Brie-Comte-Robert (77), the weekend program

The Château de Brie-Comte-Robert opens its doors to you for this 42nd edition of the Journées du Patrimoine. Are you ready to plunge into the heart of history? Here's the program for the weekend of September 20 and 21, 2025.

Heritage Days 2025 at Château d'Arnouville (95): concert-apéro and guided tour on the program

The 42nd edition of the Journées du Patrimoine (Heritage Days) will be held this weekend, September 21 and 22. In the Val d'Oise, the Château d'Arnouville invites us to immerse ourselves in its history. Discover this unfinished monument in the heart of the 95 département with a program combining concert-apéro and guided tours.

Heritage Days 2025: the program at Château de Médan (78)

To mark the Journées du Patrimoine (Heritage Days) on September 20 and 21, 2025, why not take a plunge into the Pleiades at the heart of the Château de Médan in the Yvelines, home to poets and other illustrious characters?

Heritage Days 2025: leatherworking demonstration at Château de Blandy-les-Tours (77)

Château de Blandy les Tours comes to life for the Journées du Patrimoine 2025! On September 20 and 21, come and discover this Seine-et-Marne fortified castle, and get ready for a wonderful program of arts and crafts.

Heritage Days 2025: free show at Château de Champs-sur-Marne (77)

For the Journées du Patrimoine 2025, the Château de Champs-sur-Marne is offering an artistic program to be discovered on Sunday, September 21, 2025.

Heritage Days 2025 at Château d'Ormesson (94): an artistic stroll through a temple of literature

Château d'Ormesson is organizing guided tours on Saturday September 20 and Sunday September 21, 2025, to mark the 42nd Journées du Patrimoine. A family home dating back to the 16th century, this château is an integral part of the town of Ormesson-sur-Marne and its heritage!

Heritage Days 2025 program at Château des Tourelles in Bois-Colombes (92)

The Journées du Patrimoine will be held on the weekend of September 20 and 21, 2025, in Paris and the Ile-de-France region. In Hauts-de-Seine, it's time to (re)discover the Château des Tourelles in Bois-Colombes. Discover the program!

Heritage Days 2025: medieval festival at Château de la Madeleine (78)

To mark the Journées du Patrimoine 2025 (Heritage Days 2025) on September 20 and 21, the Château de la Madeleine in the Yvelines region of France is offering a special program featuring a medieval festival.

Heritage Days 2025: events at the Château du Grand Jard in Voisenon (77)

The Journées du Patrimoine (Heritage Days) take over the Paris region this weekend, September 20-21, 2025. In Seine-et-Marne, a program of special visits awaits us at the Château du Grand Jard, in the commune of Voisenon.

Heritage Days 2025 at Château de Bourron (77): program

In Seine-et-Marne, the Château de Bourron invites us to experience a special program on the occasion of the Heritage Days, on the weekend of September 20 and 21, 2025. We tell you more about what's in store.

Journées du Patrimoine 2025 at the Domaine de la Reine Margot in Issy-les-Moulineaux (92) : program

The Journées du Patrimoine also take place in the Hauts-de-Seine region. In Issy-les-Moulineaux, the Domaine de la Reine Margot unveils a special program for the weekend of September 20 and 21, 2025. Here's what you need to know.