For history buffs and budding explorers, the Journées du Patrimoine (Heritage Days) will be held on the weekend of September 20 and 21, 2025, for a promising 42nd edition. Every year, Paris and the whole of the Île-de-France region take part in this not-to-be-missed event, with its many free visits, unusual events and exceptional openings in both private and public venues. From major museums and institutions to hidden monuments, the most beautiful treasures of our heritage are waiting to reveal their secrets over the weekend.
It's also an opportunity to conquer the castles of the Île-de-France region , including those in the 92 département. Yes, in Hauts-de-Seine , a number of historic estates are taking part in the Journées du Patrimoine (Heritage Days), unveiling their respective programs for this exciting new edition!
The perfect opportunity to discover these historic treasures of the Paris region. Stay tuned, the selection is updated as we make announcements and discoveries! And for more ideas for Heritage Days 2025 in the Hauts-de-Seine region, click here!



Heritage Days 2025: the full program at the Domaine départemental de Sceaux (92)
To mark the 42nd Journées du patrimoine, the Domaine départemental de Sceaux is offering free events for the whole family on September 20 and 21, 2025. [Read more]



Heritage Days 2025: explore the Château de Malmaison and Bois-Préau
For the Journées du Patrimoine 2025, we're off to the Hauts-de-Seine, to the Château de Malmaison and Bois-Préau, for an exceptional weekend in the Empire. Step back in time on September 20 and 21. [Read more]



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! [Read more]



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. [Read more]
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Prices
Free