Did you know? There are over 250 châteaux in the Paris region. And on the occasion of the Journées du Patrimoine, some of them are opening their doors to us to plunge us into the heart of their respective histories during visits that are often free, sometimes with exceptional openings and special events. Yvelines is no exception to the rule. While the best-known is still the Château de Versailles, the 78 département is full of treasures that deserve to be discovered. So why not take advantage of the 42nd Heritage Days to plan a tour of the châteaux of Yvelines?
Here's a selection of what's on this weekend, September 20-21, 2025, in the heart of the châteaux of the 78 region. All you have to do is make your own program before setting out to conquer these architectural masterpieces and historic relics that deserve to be known.
Follow the guide and stay tuned: the page is updated as new announcements and discoveries are made. So be sure to check back regularly for more ideas for cultural outings at castles during the Journées du Patrimoine 2025 in Yvelines. And for more nuggets in the Île-de-France region, click here!
Heritage Days 2025 at the Château de Saint-Germain-en-Laye - Musée d'Archéologie Nationale (78), program
The Château de Saint-Germain-en-Laye is taking part in the Journées du Patrimoine 2025. The program for Saturday September 20 and Sunday September 21 includes guided tours of the Château and the Musée d'Archéologie Nationale, and more! [Read more]
Heritage Days 2025: discover the history of the Republic at the Château de Versailles (78)
For the Journées du Patrimoine 2025 (Heritage Days 2025), the Château de Versailles is inviting you to discover the grounds through a tour that takes you back in time in the footsteps of the Republic, on September 20 and 21, 2025. [Read more]
Journées du Patrimoine 2025: events and free concert at Château de Maisons-Laffitte (78)
On the occasion of the Journées du Patrimoine, come and discover the magnificent Château de Maisons-Laffitte, built for King Louis XIV, on Saturday 20th and Sunday 21st September 2025, in the Yvelines department! A great opportunity to discover this treasure of Ile-de-France heritage! [Read more]
Heritage Days 2025 in Yvelines: the program at Domaine de Dampierre and its château
Domaine de Dampierre-en-Yvelines (78) invites you to discover its program for the Journées du Patrimoine 2025. On September 20 and 21, the estate will be showcasing its exceptional heritage! [Read more]
Heritage Days 2025 at Château de Monte-Cristo (78), the program
Want to immerse yourself in the world of Alexandre Dumas? The Château de Monte-Cristo is opening its doors for the Journées du Patrimoine on September 20 and 21, 2025, with low-rate admission. [Read more]
Heritage Days 2025: a themed ball at Château de Breteuil (78)
Château de Breteuil is taking part in the Journées du Patrimoine on Sunday, September 21, 2025. During the day, you can visit the castle of Perrault's fairy tales, before dancing the night away to a sumptuous ball. Admission is subject to a charge. [Read more]
Heritage Days 2025: the program at the superb Château de Neuville (78)
For the Journées du Patrimoine 2025, the Château de Neuville, located in Gambais in the 78 department, is opening its doors for exceptional guided tours on Sunday September 21. If you're looking for a cultural getaway, this is just the ticket! [Read more]
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. [Read more]
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. [Read more]
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. [Read more]
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? [Read more]
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. [Read more]
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Prices
Free
