The Journées du Patrimoine (Heritage Days) are back again this weekend, September 20 and 21, 2025. Curious and passionate visitors will be able to enjoy the 42nd edition of this not-to-be-missed September event. As you'd expect, a vast program of events awaits young and old in the four corners of Paris and the Ile-de-France region. So the question is: what to do this year for the Journées du Patrimoine?
It's worth noting that each edition is punctuated by numerous free visits, unusual events and exceptional openings. This time, we're inviting you to conquer the châteaux of the Ile-de-France region, and more specifically those located in the 94 département. Yes, the Val-de-Marne has no shortage of nuggets worth visiting, and now is the time to discover the treasures that make up its heritage.
Here we share with you the châteaux in the Val-de-Marne taking part in the 42nd Heritage Days and their programs. And don't forget to check this page regularly, as we update it with new announcements and discoveries. All you have to do is put together your program! Click here to discover more ideas for Heritage Days outings in the Val-de-Marne!
Heritage Days 2025: weekend events at Château de Vincennes (94)
For the 42nd Journées du Patrimoine, the Château de Vincennes, home to Europe's tallest dungeon, awaits you for a cultural discovery of this medieval monument on the weekend of September 20 and 21, 2025. [Read more]
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! [Read more]
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Prices
Free
