Did you know? In Île-de-France, there are more than 250 castles. And for the Heritage Days, some of them throw open their doors to immerse you in the heart of their stories through often free tours, sometimes extraordinary openings and with special activities. The Yvelines are no exception. While the best known remains the Château de Versailles, the department 78 is brimming with treasures worth discovering. So why not take advantage of the 43rd edition of the Heritage Days to plan a route visiting the castles of the Yvelines?
Here’s a curated selection of the programs waiting for you this weekend of September 19–20, 2026 at the heart of the castles of the 78. All that remains is to plan your itinerary before heading to explore these architectural masterpieces and historic relics that deserve to be more widely known.
Follow the guide and stay tuned: the page is updated as announcements come in and as we uncover new discoveries. Be sure to check the article regularly to discover more ideas for cultural outings in the castles during the Heritage Days 2026 in the Yvelines. And for more gems in Île-de-France, head here!
Heritage Days 2026: Discovering the Château de la Madeleine (78)
On the occasion of the 2026 Heritage Days, held on 19 and 20 September 2026, the château de la Madeleine in the Yvelines is offering special, free tours for everyone. [Read more]
For Heritage Days 2026, discover the Domaine de Dampierre
For Heritage Days 2026, the Domaine de Dampierre-en-Yvelines (78) invites you to discover its program. On September 19 and 20, it will put its remarkable heritage in the spotlight. [Read more]
Heritage Days 2026: set off to discover the Château de Jambville, the Scouts of France’s HQ
Embark on a discovery of the Château de Jambville in Yvelines for the 2026 Heritage Days. History, nature, and architectural curiosities await you in the heart of the Vexin. [Read more]
European Heritage Days 2026 at the Château de Saint-Germain-en-Laye – National Archaeology Museum (78), program
The Château de Saint-Germain-en-Laye is taking part in the 2026 Heritage Days. On the program for Saturday, September 19 and Sunday, September 20, guided tours of the château and the National Archaeology Museum, and many other activities to boot. [Read more]
Heritage Days 2026: a vanished estate still leaves its mark in Châteaufort
In Châteaufort, the Domaine d’Ors preserves the traces of a former estate now ringed by protected natural spaces. A story to rediscover in the heart of the Chevreuse Valley on Saturday, September 19, 2026. [Read more]
Heritage Days 2026: what’s on at the Château de Rambouillet (78)
In September, Heritage Days make their grand comeback: discover the program planned at Château de Rambouillet (78) for September 19 and 20, 2026. [Read more]
Escape game and a tour of the Château de Plaisir for the 2026 Heritage Days
What if, for the 2026 Heritage Days, we set off to conquer the castles of Île-de-France? In Yvelines, the Château de Plaisir is joining the celebration! Discover the schedule for this weekend, September 19–20, 2026. [Read more]
At the Château de la Verrière, special tours for Heritage Days 2026
On Heritage Days 2026, the Château de La Verrière in the Yvelines region shines a light on a heritage forged since the 16th century, blending a noble residence, historic gardens and striking interior decor. [Read more]
This picturesque manorial estate is open to visitors for Heritage Days 2026 in the Paris region.
In Bazemont, in the Yvelines, a former Renaissance château and its outbuildings are open to the public for the 2026 Heritage Days. [Read more]
Heritage Days 2026: Classic car exhibition at the Château de Maisons-Laffitte (78)
On the occasion of Heritage Days, come discover the magnificent Château de Maisons-Laffitte, built for King Louis XIV, on Saturday, September 19 and Sunday, September 20, 2026, in Yvelines! A wonderful chance to explore this treasure of Île-de-France’s local heritage! [Read more]
Heritage Days 2026: Visit Château de Breteuil (78) for an immersive history experience.
The Château de Breteuil participates in Heritage Days on the weekend of September 19–20, 2026. During this day, visitors can tour the Château des Contes de Perrault, but note: admission remains payable. [Read more]
European Heritage Days 2026 at the Château de Monte-Cristo: Weekend program
Looking to dive into the world of Alexandre Dumas? The Château de Monte-Cristo opens its doors for Heritage Days on September 19 and 20, 2026, with wallet-friendly admission. [Read more]
Heritage Days 2026: a special tour and beekeeping at the Château de la Celle-Saint-Cloud (78)
On 19 and 20 September 2026, take in an exceptional chance to explore the magnificent gardens of the Château de la Celle-Saint-Cloud in the Yvelines—a property owned by the Ministry of Foreign Affairs that hosts heads of state. This year, we’ll tour the estate and meet beekeepers through an exhibition in the Orangery. [Read more]
This Yvelines château opens its doors for guided tours during Heritage Days 2026.
Want to conquer the castles of Île-de-France during the Heritage Days weekend on September 19–20, 2026? Here’s the Château de Neuville’s program, located in the Yvelines. [Read more]
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
