Looking for something to do in the 4th arrondissement of Paris during the Journées du Patrimoine? Every year, this event, synonymous with good deals, invites us to explore the treasures of the Paris region through free visits, exceptional openings and special events in fascinating places. It's a not-to-be-missed event for young and old alike. And Paris doesn't intend to miss this opportunity to showcase its treasures.
In the capital's 4th arrondissement, you can expect a rich program of events. After all, when it comes to heritage, this district of Paris, which includes part of Marais , has a lot to offer. Here, you'll find numerous private mansions, as well as confidential museums and major institutions such as the Tribunal Administratif, the Tribunal de Commerce, not to mention theHôtel de Ville, headquarters of Paris City Hall.
So many places to discover for this 42nd edition of Heritage Days scheduled for the weekend of September 19–20, 2026. Check out the recap below of the tours awaiting you on this occasion! They are, moreover, being updated as new announcements come in.
Heritage Days 2026: Guided tours to explore the history of Paris's Hôtel-Dieu
The historic Hôtel-Dieu Hospital in Paris invites visitors to discover its history and secrets during Heritage Days, on Saturday, September 19, 2026. Please note that advance booking is required. [Read more]
Heritage Days 2026: explore the Republican Guard and the Celestins district in Paris
Explore a French institution during Heritage Days: on September 19–20, 2026, the Republican Guard welcomes you to the Célestins district. [Read more]
Heritage Days 2026: Explore the City of Paris Historical Library
Paris’ Historical City Library offers an extraordinary behind-the-scenes look for Heritage Days, on Saturday, September 19 and Sunday, September 20, 2026. Take a look inside a grand townhouse in the heart of the Marais. [Read more]
Heritage Days 2026: guided tour and organ recital at Saint-Gervais-Saint-Protais Church
The Saint-Gervais-Saint-Protais Church in Paris invites us to spend a special weekend for the Heritage Days 2026. Join us on September 19 and 20 to discover this monument. [Read more]
Journées du Patrimoine 2026 : the program at the Memorial of the Martyrs of Deportation
On the occasion of Heritage Days 2026, discover the Memorial of the Martyrs of Deportation, a memorial site atop the Île de la Cité in Paris. Dive into the history of those deported during World War II and experience this poignant, free visit, exceptionally open to the public on Saturday, September 19 and Sunday, September 20, 2026. [Read more]
Heritage Days 2026: A stroll to the heart of the towers of Notre-Dame Cathedral in Paris
Heritage Days are making a grand return to the very heart of Notre-Dame Cathedral in Paris. On September 19 and 20, 2026, the monument will offer a special guided route for visitors. A pivotal moment to rediscover this Gothic jewel as we haven’t seen it for years. Reservations will open soon. [Read more]
In Paris, during the 2026 Heritage Days, discover the Maison d’Ourscamp, tucked away in the heart of the marsh.
For the 2026 Heritage Days in Paris, discover the Maison d'Ourscamp, one of the few remaining examples that blend medieval and Renaissance architecture in the city. Join us on Saturday, September 19 and Sunday, September 20, 2026 for a free family outing, highlighted by guided tours. [Read more]
Heritage Days 2026 at the Shoah Memorial in Paris: weekend activities
On the occasion of Heritage Days 2026, the Shoah Memorial will once again open its doors to the public on Saturday, September 19 and Sunday, September 20, 2026. Discover the free weekend program. [Read more]
Heritage Days 2026: a tour of the organ at Notre-Dame des Blancs-Manteaux Church
Les Journées du Patrimoine 2026 offrent une occasion rêvée de parcourir les lieux emblématiques de Paris. Parmi eux, l’église Notre-Dame des Blancs Manteaux ouvre grand ses portes les 19 et 20 septembre dans le quartier du Marais. Parcourez son histoire, admirez ses trésors architecturaux et laissez-vous gagner par la sérénité de ce site chargé d’histoire. [Read more]
Heritage Days 2026: explore the Crédit Municipal de Paris, the former Mont-de-Piété.
The Crédit Municipal de Paris invites you to step inside for the new edition of Heritage Days. Here’s the program awaiting you at the former Mont-de-Piété during this exceptional weekend of September 19–20, 2026. [Read more]
Heritage Days 2026 in Paris: activities at the Polish Library and its hidden museums
The Polish Library in Paris takes part in Heritage Days on Saturday, September 19, 2026. A chance to discover this little-known gem of the capital, along with its three intimate museums: the Adam Mickiewicz Museum, the Biegas Museum, and the Frédéric Chopin Salon. A must-see during Heritage Days! [Read more]
Tour the Duchess of Sully's apartments at the Hôtel de Sully during Heritage Days 2026.
For the upcoming edition of Heritage Days, the Duchess of the Hôtel de Sully’s apartments will exceptionally open their doors in the Marais on September 19 and 20, 2026. [Read more]
Heritage Days 2026: a gourmet introductory workshop with the Paris Bakers’ Union
What if you learned the baker’s trade? Join the tours organized by the Grand Paris Bakers’ Union on Saturday, September 19, 2026, for Heritage Days. Booking is required—don’t delay securing your seat! [Read more]
Heritage Days 2026 at the Temple du Marais in Paris: discover this little-known gem!
The Temple of the Marais opens its doors for Heritage Days, scheduled for the weekend of September 19–20, 2026. A chance to explore its architecture and its rich history. [Read more]
Heritage Days 2026: Explore the Paris Commercial Court during guided tours
On the occasion of Heritage Days 2026, the Paris Commercial Court invites you to join us this weekend, Saturday 19 and Sunday 20 September 2026. A panel of judging guides will be on hand for exceptional guided tours of the courthouse, built between 1860 and 1865. [Read more]
Dive into the heart of Victor Hugo's world for the 2026 Heritage Days.
On the occasion of the 43rd edition of Heritage Days in Paris, the home of a towering figure in French literature invites you to enjoy a special program. Over the weekend of September 19–20, 2026, embark on an immersion into the life of Victor Hugo! [Read more]
Heritage Days 2026: Guided tour of Paris City Hall
For Heritage Days 2026, the City Hall of Paris will exceptionally open its doors to free, self-guided tours. Meet on Saturday, September 19 and Sunday, September 20, 2026, to discover the Mayor of Paris’s office, the City Hall library, the Council Chamber, and the ceremonial rooms. [Read more]
Exclusive tours of the Paris Administrative Court for Heritage Days 2026
Among the standout visits for the 43rd edition of Heritage Days, this weekend of September 19–20, 2026, is the Administrative Court of Paris, housed in the Hôtel de Beauvais. Here’s everything you need to know! [Read more]
Discover the secrets of the Paris Administrative Court, housed in the Hôtel d'Aumont, for Heritage Days 2026.
On the occasion of Heritage Days, to be held on September 19–20, 2026, come and discover a true Parisian gem: the Paris Administrative Court, housed in the iconic Hôtel d’Aumont. Trace the history of this exceptional site and explore the rooms of this 17th‑century building during an exceptional tour! [Read more]
This historic Parisian brewery opens its doors and reveals its secrets for Heritage Days 2026!
The Bofinger brasserie unveils, between its walls, secrets of history and the French art of living, during Journées du Patrimoine 2025 in Paris. On Saturday, September 20 and Sunday, September 21, come (re)discover this genuine institution that transports us back to the 19th century! [Read more]
Embark on a tour of this unusual townhouse for Paris’s 2026 Heritage Days.
Located in the heart of Paris, this grand townhouse with medieval architecture awaits you for the European Heritage Days 2026. Discover the program on offer for the weekend of 19–20 September 2026. [Read more]
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
