Paris Heritage Days 2026: Places to Visit in the 3rd Arrondissement

Published by Cécile de Sortiraparis, Rizhlaine de Sortiraparis · Photos by Cécile de Sortiraparis · Updated on June 26, 2026 at 06:12 p.m.
The 43rd edition of Heritage Days is upon us this weekend, September 19–20, 2026, in the Paris region. Here are the gems to explore in the 3rd arrondissement of Paris, along with their schedules!

And it's off again for another edition of Journées du Patrimoine in the Paris region ! This major cultural event gives us the opportunity to explore every nook and cranny of Paris and the Île-de-France region, with a superb program of events, visits andexceptional openings.

In the capital, a mix of well-known spots and hidden gems are ready to play along, giving Parisians, for a day or for good, the chance to live a true cultural marathon over one weekend. This year we’re celebrating the 43rd edition of the Heritage Days, from September 19 to 20, 2026. 

Looking for ideas in the 3rd arrondissement? This Parisian neighborhood, which includes the upper Marais, will also showcase its treasures for the event. Here you can dive into Parisian history at the Musée Carnavalet or pursue great inventions at the Musée des Arts et Métiers. Famous monuments and secret spots await in the 3rd arrondissement for Heritage Days. We’re taking stock of the visits and programs planned for this special weekend. By the way, remember to check this page regularly—it's updated as announcements roll in.

The visits on the schedule for the 2026 Heritage Days in Paris’s 3rd arrondissement:

Journées du Patrimoine 2026 : une visite insolite au commissariat de Paris CentreJournées du Patrimoine 2026 : une visite insolite au commissariat de Paris CentreJournées du Patrimoine 2026 : une visite insolite au commissariat de Paris CentreJournées du Patrimoine 2026 : une visite insolite au commissariat de Paris Centre Journées du Patrimoine 2026: an offbeat tour of the Paris Centre police station
Well, that’s an original idea! How about visiting the Paris Centre police station during the Heritage Days, on September 19 and 20, 2026? [Read more]

Visuels musée et monument - musée Picasso terrasseVisuels musée et monument - musée Picasso terrasseVisuels musée et monument - musée Picasso terrasseVisuels musée et monument - musée Picasso terrasse European Heritage Days 2026: a visit to the Picasso Museum in Paris
The Picasso Museum opens its doors to visitors for free for a weekend, as part of Heritage Days: a can't-miss opportunity on September 19 and 20, 2026. [Read more]

Musée de la chasse et de la nature - collections permanentes et visuelsMusée de la chasse et de la nature - collections permanentes et visuelsMusée de la chasse et de la nature - collections permanentes et visuelsMusée de la chasse et de la nature - collections permanentes et visuels Heritage Days 2026: A Weekend at the Museum of Hunting and Nature in Paris
What if you stopped by the Museum of Hunting and Nature on September 19 and 20, 2026, for Heritage Days? The program features free, self-guided visits of the museum and its exhibition. Here’s what awaits you. [Read more]

Visuel Journées du Patrimoine/Matrimoine - musée des arts et métiersVisuel Journées du Patrimoine/Matrimoine - musée des arts et métiersVisuel Journées du Patrimoine/Matrimoine - musée des arts et métiersVisuel Journées du Patrimoine/Matrimoine - musée des arts et métiers Heritage Days 2026 in Paris: family-friendly, hands-on workshops at the Musée des Arts et Métiers
The Musée des Arts et Métiers is taking part in Heritage Days on Saturday, 19 and Sunday, 20 September 2026, offering a free family-friendly visit and a range of activities. Discover the program! [Read more]

Le Jardin de l'Institut SuédoisLe Jardin de l'Institut SuédoisLe Jardin de l'Institut SuédoisLe Jardin de l'Institut Suédois European Heritage Days 2026 at the Swedish Institute: come explore the Hôtel de Marle
For the 43rd edition of Heritage Days, the Swedish Institute in Paris invites you to guided tours of the building it calls home: the superb Hôtel de Marle. Meet on Saturday, 19 and Sunday, 20 September 2026 to discover this architectural gem in Paris! [Read more]

Visuels musée et monument - Musée Cognacq-JayVisuels musée et monument - Musée Cognacq-JayVisuels musée et monument - Musée Cognacq-JayVisuels musée et monument - Musée Cognacq-Jay Heritage Days 2026 in Paris: the little-known Cognacq-Jay Museum and its program
For this new edition of Heritage Days, the Cognacq-Jay Museum, located in the very heart of Paris’s 3rd arrondissement, unveils its program! Join us on the weekend of September 19–20, 2026 to take part! [Read more]

Pour fêter ses 150 ans, une fontaine Wallace fait son entrée au Musée du CarnavaletPour fêter ses 150 ans, une fontaine Wallace fait son entrée au Musée du CarnavaletPour fêter ses 150 ans, une fontaine Wallace fait son entrée au Musée du CarnavaletPour fêter ses 150 ans, une fontaine Wallace fait son entrée au Musée du Carnavalet As part of Heritage Days 2026, the Carnavalet Museum will offer guided tours.
On the occasion of the 43rd edition of Heritage Days, the Carnavalet Museum is offering discovery tours of its collections during the weekend of September 19 and 20, 2026. [Read more]

Journées du Patrimoine 2025 au Musée d'AutrefoisJournées du Patrimoine 2025 au Musée d'AutrefoisJournées du Patrimoine 2025 au Musée d'AutrefoisJournées du Patrimoine 2025 au Musée d'Autrefois This convent in the heart of Paris will open its doors for an exceptional edition of the 2026 Heritage Days.
The Heritage Days are also a smart way to discover places normally closed to the public, such as this historic convent in the heart of Paris. See you on September 19 and 20, 2026. [Read more]

Bibliothèque centrale du conservatoire national des arts et métiersBibliothèque centrale du conservatoire national des arts et métiersBibliothèque centrale du conservatoire national des arts et métiersBibliothèque centrale du conservatoire national des arts et métiers Unlock the secrets of the National Conservatory of Arts and Crafts’ Central Library for Heritage Days 2026
The Heritage Days 2026 will take you to the heart of the capital’s little-known treasures, including the Central Library of the Conservatoire National des Arts et Métiers. See you on September 19 and 20, 2026 in Paris! [Read more]

L'Hôtel de Soubise, un écrin remarquable pour les Archives nationalesL'Hôtel de Soubise, un écrin remarquable pour les Archives nationalesL'Hôtel de Soubise, un écrin remarquable pour les Archives nationalesL'Hôtel de Soubise, un écrin remarquable pour les Archives nationales Heritage Days 2026 at the National Archives in Paris: weekend activities
The National Archives in Paris will open their doors to the public free of charge on Saturday, September 19 and Sunday, September 20, 2026, offering tours of their grand townhouse and its exhibitions for the European Heritage Days. [Read more]

Practical information

Dates and Opening Time
From September 19, 2026 to September 20, 2026

× Approximate opening times: to confirm opening times, please contact the establishment.

    Prices
    Free

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