Treasure hunt and creative workshop at the CNC’s Heritage Directorate for Heritage Days 2026

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: this weekend’s program to discover in Yvelines (78)
There’s plenty to explore for Heritage Days in Yvelines! On Saturday, September 19 and Sunday, September 20, 2026, head to the many castles and museums in the 78 that will open their doors for guided tours, workshops, and memorable moments of shared experiences. [Read more]

Yes, even cinema lovers will be spoiled during these Heritage Days. Several cinemas and centers dedicated to this art are welcoming the curious on September 19 and 20, 2026.

• To be read
• This week's top picks for August 17–23, 2026 in Paris and Île-de-France

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.

The 2026 Heritage Days program from the CNC’s Directorate of Cinematic Heritage:

• 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 conditions: Reservations are free and must be made by phone, as space is limited. - Booking required | Free - 01 30 14 80 86, 01 30 14 80 43

  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 terms: Registration is free and must be made by phone, as places are limited. - Registration required | Free - 01 30 14 80 86, 01 30 14 80 43

  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 requirements: Reservations are free and mandatory by phone, with limited seating (a maximum of 5 people per group) - Reservation required | Free - 01 30 14 80 86, 01 30 14 80 43

  Hours: Saturday, September 19, 2026 – 10:00 to 18:00 | Sunday, September 20, 2026 – 10:00 to 18:00