In the Chevreuse Valley, the Domaine de Dampierre castle towers majestically, standing on six centuries of history. During the Heritage Days, discover the story and beauty of this estate. Mark your calendar for September 19 and 20, 2026 to admire the astonishing collection housed by this castle.
Today owned by Franky Mulliez, founder of Kiloutou, the château offers tours of its facilities. The estate is undergoing its first major restoration in nearly two centuries. For the Journées du Patrimoine (Heritage Days), you'll have the opportunity to discover this sublime heritage in the heart of the Yvelines region. A treasure of the 78 département that's not to be missed!
So, what’s on offer at the Domaine de Dampierre-en-Yvelines? Here’s the rundown of what to expect this weekend of September 19 and 20, 2026 at the heart of this Historic Monument. A chance to set out on the discovery of one of the castles in the Île-de-France region. Below we unveil the lineup anticipated for the 43rd edition of the European Heritage Days 2026.
Self-guided tour
As part of the 2026 Heritage Days, the Domaine de Dampierre invites you to explore its park and its newly restored French formal garden.
The gilded salon of the castle will be open to visitors for the occasion.
A photography exhibition in the Island Pavilion.
Activities for children.
Participation conditions: Price: €5 / Free for under 18s - Special rate | No reservations required
Hours: Saturday, September 19, 2026 — 10:00 AM to 7:00 PM | Sunday, September 20, 2026 — 10:00 AM to 7:00 PM
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Location
Dampierre Castle
2 Grande Rue
78720 Dampierre en Yvelines
Route planner
Recommended age
For all
Official website
www.domaine-dampierre.com