Visits, workshops, events, discoveries: during the Journées du Patrimoine weekend, monuments and places of interest all over France are celebrating! You don't need to travel the length and breadth of the country to find interesting sites to visit: in the Île-de-France region, over 1,500 sites are taking part in this major cultural event. And if you live in the Yvelines département, it's even better: museums, castles, churches, farms or vineyards, relics of the past: there's something for every taste, and every age.
Heritage Days 2026: a fantastic lineup to discover in Yvelines (78)
There’s plenty to do for the 2026 Heritage Days in the Yvelines! On Saturday, September 19 and Sunday, September 20, 2026, head to the many châteaux and museums of the 78 that will open their doors for guided tours, workshops, and unique moments of shared experiences. [Read more]
Yes, even lovers of the seventh art are in for a treat during these Heritage Days. Several cinemas and centers dedicated to this art welcome the curious on September 20 and 21, 2025.
In Bois d'Arcy, France, the Centre national du Cinéma et de l'image animée(CNC) is taking part in this event, opening the doors of its Cinematographic Heritage Department. The CNC is the main administration governing French cinema. It not only produces and distributes films, but also safeguards and protects them. That's why this visit can help you discover the priceless treasures that make up the history of cinema.
CNC: tour of the Directorate of Cinematic Heritage
Dive into the memory of the seventh art...
A military battery built in 1874, the Bois d'Arcy site has been devoted since the early 1960s to the preservation of films. The CNC continues its work to conserve, restore, and promote cinema heritage. We invite you to discover this site and the history of cinema through a guided tour of the facilities, including workshop demonstrations and screenings of archival films (about 1 hour 40 minutes).
Participation terms: Reservations are free and must be made by phone, as space is limited. - Reservation required | Free
Hours: Saturday, September 19, 2026, 10:00 AM–7:00 PM | Sunday, September 20, 2026, 10:00 AM–7:00 PM
CNC: Mash-Up Workshop — Editing a Film
Dive into the history of cinema...
Learn the craft of editing through a playful mash-up workshop, followed by a tour of the Bois d'Arcy site, where we house a vast library of films.
Participation conditions: Booking is free and must be made by phone, as spaces are limited. - Mandatory booking | Free
Hours: Saturday, September 19, 2026 – 10:00 ⤏ 18:00 | Sunday, September 20, 2026 – 10:00 ⤏ 18:00
CNC: a treasure hunt to trace the evolution of cinema techniques
Join us on a journey through the technological innovations of cinema from the 19th to the 20th centuries, following a playful trail packed with puzzles to crack a mystery inside the former Bois d'Arcy military battery, a guardian of film archives.
Participation terms: Reservations are free and must be made by phone; space is limited (a maximum of 5 people per group) - Reservation required | Free
Hours: Saturday, September 19, 2026 – 10:00 to 18:00 | Sunday, September 20, 2026 – 10:00 to 18:00
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Location
Direction du patrimoine cinématographique CNC
7bis Rue Alexandre Turpault
78390 Bois d'Arcy
Prices
Free
Official website
www.cnc.fr