Jep theme guide

Heritage Days 2026: discover Folie Desmares — Heritage House in Châtillon

What could be more fitting than visiting the House of Heritage during Heritage Days? Join us at Folie Desmares in Châtillon on September 19 and 20, 2026 for a weekend at the heart of art.

Heritage Days 2026 at the Val-d'Oise Departmental Archives: what’s on

The Val-d'Oise departmental archives will open their doors to children for Heritage Days, this Saturday 19 and Sunday 20 September 2026. Ready to discover the program that awaits you?

Heritage Days 2026: discover the secret ice houses and the Vanves chapel (92)

Dive underground in Vanves for Heritage Days 2026 and discover a former 18th-century icehouse that has been repurposed as an unusual prayer space.

Heritage Days 2026 in Pontoise (95): your guide to this weekend’s tours

During the latest edition of Heritage Days, Pontoise unveils its rich artistic and medieval heritage on September 19–20, 2026. Discover the treasures of this city of painters through a series of memorable tours!

Journées du Patrimoine 2026 à la Cité Universitaire internationale : le programme du week-end Heritage Days 2026 at the International University Campus: Weekend program

For Heritage Days 2026, on September 19 and 20, the Cité Universitaire internationale unveils its multicultural program, sure to captivate curious minds of all kinds.

Heritage Days 2026: are you familiar with Bagnolet's old orchard?

Long before the city expanded, Bagnolet was famed for its peaches. Explore the story of the peach orchard, a quirky heritage on Paris's doorstep, during the Heritage Days 2026.

Journées du Patrimoine 2026: Château de Vigny, a little-known gem in Val-d'Oise to discover

Longclosed to the public for years, the Château de Vigny opens to visitors on September 19 and 20, 2026. A chance to learn more about this historic monument undergoing restoration on the doorstep of Île-de-France.

Heritage Days 2026: Fencing taster, archery workshops, and a medieval show for the inauguration of this ancient keep

In Étampes, the Tour de Guinette is set to celebrate its public inauguration in grand style during the Heritage Days weekend 2026, on September 19–20, 2026. A wide lineup of historical activities awaits visitors—here’s everything you need to know!

Heritage Days 2026 at the Palace of the King of Rome: exhibition and tours in Rambouillet (78)

In Rambouillet, a wealth of cultural outings awaits us for Heritage Days. The Palace of the King of Rome and its garden will open their doors free of charge this weekend of September 19–20, 2026.

Heritage Days 2026: A stroll through Cité Falguière, a hidden artistic treasure

Heritage Days 2026 unveil a hidden treasure: the Cité Falguière in Paris. Mark your calendars for September 19–20 for a unique voyage into the capital's artistic history during its 43rd edition. Discover the event program.

A stroll through the glass towers of La Défense for the 2026 Heritage Days

Explore La Défense from a new angle with guided tours organized on Sunday, September 20, 2026 for Heritage Days.

Heritage Days 2026: An exceptional tour of an air-raid shelter in Bourg-la-Reine, Hauts-de-Seine

During the 2026 Heritage Days, immerse yourself in history and discover a genuine World War II air-raid shelter in Bourg-la-Reine, on 19 and 20 September 2026. An exceptional visit that’s well worth the detour!

Heritage Days 2026 in Melun (77): a complete guide to the weekend’s cultural program.

Each year, Heritage Days roll out a rich lineup of cultural treats. Discover the tours and activities you can experience in Melun, in Seine-et-Marne, during this exceptional weekend of September 19–20, 2026.

Heritage Days 2026 at the Paris Malaquais National School of Architecture, the program

Heritage Days invite you to join us for the weekend of September 19–20, 2026, and the Paris-Malaquais National School of Architecture, housed on the Beaux-Arts campus, reveals its program.

Heritage Days 2026: explore the treasures of the BnF’s various sites in Paris

For Heritage Days, the Bibliothèque nationale de France opens its doors on 19 and 20 September 2026. On the program? A look at the various sites, tours of the restoration workshops, and showcases of numerous documents.

Heritage Days 2026: guided tours of the stunning Château de la Roche-Guyon (95)

What if we took advantage of Heritage Days, on Saturday 19 and Sunday 20 September 2026, to visit an astonishing troglodyte landmark in Île-de-France: the Château de la Roche-Guyon, located in Val-d'Oise.

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.

Heritage Days 2026: Explore the Church of the Holy Trinity in Paris

The Church of the Holy Trinity opens its doors during Heritage Days on Sunday, September 20, 2026. Reserve your visit slot without delay—spaces are limited.

Heritage Days 2026 at Montagu Castle (91), at the heart of the ruins and the Henri IV Tower: program

Heritage Days 2026 take over Château de Montagu (91). Here’s what to expect for the weekend of September 19–20, 2026. A great plan for the weekend!

Heritage Days 2026: Visit the Valentin Haüy Museum, dedicated to the history of blindness in Paris.

For the 43rd edition of Heritage Days, the Valentin Haüy Museum invites Parisians and Île-de-France residents to discover the history of the blind. Meet on Saturday, September 19, 2026 for a free tour.