Journées du Patrimoine 2025: free tour of the Lycée Chaptal in Paris

Take a behind-the-scenes look at the Gaité Lyrique or the Gare Montparnasse, enjoy a historic stroll in the Parc Monceau, or take an unbelievable plunge into certain government ministries... This is the concept behind the Journées du Patrimoine, which for 42 years now have been inviting the curious and lovers of our rich heritage to push open the doors of exceptional, unusual, hidden and little-known places.

Journées du Patrimoine 2025 in Paris (75): full schedule of visits by arrondissement
For the Journées du Patrimoine 2025 in Paris, the capital's historic and artistic monuments and landmarks are opening their doors (often free of charge) to let us in on their secrets. Don't miss this not-to-be-missed event, scheduled for the weekend of September 20 and 21, 2025, on the theme of "Architectural Heritage". [Read more]

Journées du Patrimoine 2025 in Paris and Île-de-France: unreserved tours this weekend
The Journées du Patrimoine (Heritage Days) are back again this weekend, September 20 and 21, 2025, in Paris and the Ile-de-France region. Still haven't planned your program? Here's a list of places that can be visited without a reservation, and which can be booked at the last minute! [Read more]

During the Heritage Days, some museums and monuments are very popular. But other places are also worth a visit, such as lycées. Welcoming large numbers of students for 10 months of the year, some Parisian lycées are brimming with secrets and offer unique architecture. Such is the case of the Lycée Chaptal.

Nestled in the capital's 8tharrondissement , a stone's throw from Les Batignolles, the Lycée Chaptal was founded by educationalist and playwright Prosper Goubaux. As for its name, it refers to the French scientist, chemist, doctor and politician, whose first name was Jean-Antoine. Come and take advantage of the Journées du Patrimoine 2025 to find out more about this renowned Parisian high school and discover its museum(open to the public upon registration)!

• To be read
• Journées du Patrimoine 2025 in Paris and Île-de-France: book your weekend visits now
• Journées du Patrimoine 2025: discover the great institutions of Paris and the Île-de-France region
• Journées du Patrimoine 2025 in Paris (75): full schedule of visits by arrondissement

Journées du Patrimoine 2025 at the Lycée Chaptal in Paris

• Self-guided tour of Lycée Chaptal
  Saturday, September 20, 2025 - 2:00 pm ⤏ 7:00 pm
  

  Self-guided tour of the Cité Scolaire Chaptal

  not recommended for people with reduced mobility

  
  
  

Le programme est mis à jour en fonction des annonces officielles.