On 19 and 20 September 2026, Heritage Days returns to Paris and the Île-de-France region for its 43rd edition. This year, museums and castles will be open to the public free of charge, offering a unique opportunity to visit places that are usually off-limits.
Practical information
| Dates | From 19 September 2026 to 20 September 2026 |
| Admission | Free entry |
| Updated | 23 July 2026 |
Why go?
This event is unique as it offers exceptional access to sites that are often closed to the public, with guided tours on the theme of ‘Heritage at Risk’. Make the most of free entry to discover our cultural heritage from a new perspective – perfect for history and architecture enthusiasts.
What to see / do
Heritage Days offer the chance to explore iconic sites with special access. Here are some of the highlights:
- Museums: Free entry to several Parisian museums hosting temporary exhibitions.
- Castles: Discover castles that are open to the public on an exceptional basis.
- Guided tours: Themed tours focusing on ‘Heritage at Risk’ at various sites.
Good to know
These events attract large numbers of visitors, so it’s advisable to arrive early to avoid the queues.
- Check the specific opening hours of the participating venues.
- Plan your route to make the most of your visit to the various venues.
How to get there
You can easily reach the Heritage Days venues by Metro: lines 1, 6 and 7, depending on the site. Allow around 20 minutes from Châtelet. Buses such as the 72 can also take you to various points of interest. Do consider using a Vélib’ to get between the venues.
What to do nearby?
Make the most of your stay to explore:
- The Palais du Luxembourg (5-minute walk), the seat of the Senate, which is often open to the public.
- Notre-Dame Cathedral (15-minute walk), a must-see for its architecture.
- The Jardin du Luxembourg (5-minute walk), ideal for a break in the fresh air after your sightseeing.
Things to bear in mind
| Ideal for | History, architecture, and art enthusiasts. |
| Estimated visiting time | Allow about 2-3 hours per site. |
| Best time to visit | Early in the morning to avoid crowds. |
| Nearby activity to combine | Combine with a stroll in the historic Marais district. |
Frequently asked questions
Which sites are open during the Heritage Days 2026?
Many museums, châteaux, and historical sites across Paris and Île-de-France open their doors, often for free.
Do visits require a reservation?
Most visits are free and do not require a reservation, but it is advisable to check if some require specific access.
What are the opening hours for these days?
Exact hours may vary by location, it is recommended to consult the information for each site.
Are there activities for children?
Yes, many sites offer fun activities for children during these days.
How can I access the different locations?
The metro and buses in Paris are ideal for getting around, with various lines serving the main sites.
What are the themes of the guided tours offered?
The guided tours focus on exploring endangered heritage, with highlights on hidden treasures.