Kick-off for the Heritage Days. This weekend of September 19–20, 2026, Paris and the entire Île-de-France will unveil its finest treasures and invite us to rediscover our heritage in a whole new light. Each year, museums, monuments, castles, and even venues rarely open to the public open their doors to grant us a program rich in unconventional activities, generally free visits and new experiences, including for children. A must-attend for the curious and the passionate!
If you've woken up a little late this year and missed out on booking, don't worry: many sublime venues are offering their programs without prior registration. Perfect for those who decide to take advantage of this event on a whim! So if you'd like to prepare your last-minute program, we've put together a list of spots offering free admission. There's no excuse for missing out on the Journées du Patrimoine in Paris and the Ile-de-France region.
Don't hesitate to consult this guide regularly to prepare your program without any headaches!
Heritage Days 2026: a family-friendly treasure hunt at the Petit Palais in Paris
On the occasion of the 2026 Heritage Days in Paris, the Petit Palais unveils a special program for the weekend of September 19–20, 2026. Find out what awaits you there! [Read more]
Behind the scenes of 19M's haute couture ateliers for Heritage Days 2026
What’s brewing behind the façade of 19M? The arts and crafts professions step out from the shadows, offering a glimpse of workshops, exceptional techniques, Galerie du 19M, and the café gourmand, during a rare Heritage Days opening on September 19–20, 2026. [Read more]
Journées du Patrimoine 2026 : Heritage Days 2026: explore paranormal phenomena at the International Metapsychic Institute
The Metapsychic International Institute opens its doors in Paris for Heritage Days, on September 19–20, 2026. An opportunity to delve into more than a century of research into paranormal phenomena, consciousness, and parapsychology. [Read more]
Heritage Days 2026 in Paris: discover the Maison d'Ourscamp, nestled in the heart of the marsh.
For the 2026 Heritage Days in Paris, let’s go discover the Maison d’Ourscamp, one of the few remnants that blends medieval and Renaissance architecture in the city. Mark your calendars for Saturday, September 19 and Sunday, September 20, 2026 for a free family outing with guided, commentary-led tours. [Read more]
Heritage Days 2026: The Balzac House in Paris unveils its program
Balzac House is taking part in Paris’s Heritage Days, opening the doors to its literary universe on 19 and 20 September 2026. In the 16th arrondissement, the visit offers a chance to explore the writer’s former home, its collections, and the atmosphere of a place closely tied to his work. [Read more]
Heritage Days 2026: tour the Hôtel de Villeroy, the Ministry of Agriculture’s Paris headquarters
The Ministry of Agriculture opens the doors of the Hôtel de Villeroy in Paris for Heritage Days, on September 19 and 20, 2026. A rare chance to explore this grand private townhouse in the 7th arrondissement, its architecture and the spaces housing the ministry. [Read more]
Heritage Days 2026: The Sorbonne Chapel opens its doors in Paris
Paris' Sorbonne Chapel will exceptionally open its doors for Heritage Days on 19 and 20 September 2026. A rare chance to discover this masterpiece of classical architecture, the tomb of Cardinal Richelieu, and the history of the Sorbonne. [Read more]
European Heritage Days 2026: Guided tour of the Hôtel du Nord in Paris, the program
Heritage Days return across Île-de-France on Saturday, September 19 and Sunday, September 20, 2026. A chance to step through the doors of must-see venues, including the legendary Hôtel du Nord in Paris. Here’s more. [Read more]
Heritage Days 2026: discover Hôtel d'Heidelbach, Maison Guimet's Asian jewel box
Hôtel d'Heidelbach, now Maison Guimet, participates in Paris's Heritage Days with tours devoted to Asian arts, on September 19 and 20, 2026. An opportunity to discover this 16th-century townhouse, its Japanese garden, and its exceptional collections. [Read more]
Heritage Days 2026: the Tour Jean-Sans-Peur, a medieval relic at the heart of Paris
Jean-Sans-Peur Tower invites visitors to step back into medieval Paris for Heritage Days, on September 19–20, 2026. This remnant of the Dukes of Burgundy’s palace reveals its history, its architecture, and the traces of a power that left its mark on the capital. [Read more]
Heritage Days 2026: Saint-Pierre-du-Gros-Caillou Church, a little-known story at the foot of the Eiffel Tower
A stone's throw from the Eiffel Tower, the Saint-Pierre-du-Gros-Caillou church opens its doors for Heritage Days on September 19–20, 2026. A visit to discover the history of this 7th‑arrondissement church and the little-known heritage of the Gros-Caillou quarter. [Read more]
Heritage Days 2026: Saint-Joseph-des-Carmes, between a Baroque dome and revolutionary history
The Church of Saint-Joseph-des-Carmes, in Paris’s 6th arrondissement, unveils itself for Heritage Days on September 19–20, 2026. With its Baroque dome, revolutionary history, and the Martyrs’ Crypt, the visit promises an astonishing journey into the past. [Read more]
Journées du Patrimoine 2026 : discover St. George's Anglican Church in Paris
St George’s Anglican Church in Paris’s 16th arrondissement will open its doors for Heritage Days on September 19–20, 2026. A tour to discover its history, architecture, and the Anglican presence in the capital. [Read more]
Heritage Days 2026: discover Saint-Georges Chapel, a little-known 16th-century site
La Chapelle Saint-Georges opens its doors in Paris for Heritage Days, on 19 and 20 September 2026. A rare opportunity to explore its history, its architecture, and a little-known facet of the capital's heritage. [Read more]
Heritage Days 2026 in Paris: visit the iconic Arc de Triomphe for free
For the 43rd edition of Heritage Days in Paris, the Arc de Triomphe will open its doors to you free of charge! Join us on Saturday, September 19 and Sunday, September 20, 2026 for a unique immersion into the history of this iconic monument at the heart of the capital. [Read more]
Heritage Days 2026: Self-guided tour of Chaptal High School in Paris
A fresh, 43rd edition of Heritage Days on Saturday, September 19 and Sunday, September 20, 2026! And why not take the opportunity to step through the doors of Chaptal High School, tucked in the 8th arrondissement of Paris? [Read more]
Heritage Days 2026: tours of the Paris arrondissement town halls
Paris’s arrondissement town halls throw open their doors to the public on the weekend of 19–20 September 2026: explore the activities lined up for Heritage Days. [Read more]
Journées du Patrimoine 2026: a free weekend at the Museum of the Romantic Life in Paris
For the 2026 Heritage Days in Paris, the Musée de la Vie romantique invites you to reconnect with Romantic Paris. Discover the standout program awaiting you for the weekend of 19 and 20 September 2026. [Read more]
Heritage Days 2026 in Paris: guided tours of Saint-Nicolas-du-Chardonnet Church
For the 2026 Heritage Days in Paris, head to the Left Bank to discover Saint-Nicolas du Chardonnet Church. The site’s treasures reveal why this house of worship remains one of the emblematic strongholds of active traditionalist Catholicism in Paris. See you on Saturday, September 19 and Sunday, September 20, 2026, in the 5th arrondissement to uncover its history. [Read more]
European Heritage Days 2026: the Museum of the Liberation of Paris unveils its program
For the new edition of Heritage Days, the Museum of the Liberation of Paris — General Leclerc Museum — Jean Moulin Museum invites you to free tours and activities over the weekend of September 19–20, 2026. [Read more]
Heritage Days 2026 at the Court of Auditors in Paris: tours and activities for everyone
It's the big return of Heritage Days this weekend, September 19–20, 2026, in Paris and Île-de-France. An opportunity to discover the secrets of the capital's great institutions, including the Court of Auditors, which unveils a wonderful lineup of tours and activities, with no reservations required. [Read more]
Exceptional free tour of the Panthéon for Heritage Days 2026 in Paris.
The Panthéon takes part in the 43rd Heritage Days: the monument will open its doors to the public free of charge on September 19 and 20. A great opportunity not to miss! [Read more]
Heritage Days 2026: discover the Mobilier National's restoration workshops in Paris
For the European Heritage Days, the Gobelins Manufacture is offering an exclusive, behind-the-scenes tour into the heart of its renowned craftsmanship on 19 and 20 September 2026. A chance not to be missed! [Read more]
Heritage Days 2026 at the Élysée Palace—the museum of the Presidential Palace
The European Heritage Days are back on September 19 and 20, 2026 for another edition, more offbeat than ever. And this year, just steps from the presidential palace, the Élysée Palace invites you behind the republican curtain, between iconic rooms and diplomatic curiosities. [Read more]
Heritage Days 2026: Exploring Cité Falguière, a hidden artistic treasure
Les Journées du Patrimoine 2026 reveal a hidden gem: the Cité Falguière in Paris. Mark your calendars for September 19 and 20 for a unique journey through the capital’s artistic history during this 43rd edition. [Read more]
Heritage Days 2026 at the Giacometti Institute in Paris: this weekend's program
The Giacometti Institute invites Parisians and residents of Île-de-France to explore its spaces during guided tours on Saturday, September 19 and Sunday, September 20, 2026, for the 43rd edition of Heritage Days. [Read more]
Heritage Days 2026: visit Saint-Laurent Church in Paris
For Heritage Days 2026 in Paris, head to Saint-Laurent Church to discover this flamboyant Gothic masterpiece right in the heart of the capital. The program includes guided tours of the building on Saturday, 19 and Sunday, 20 September 2026. [Read more]
Heritage Days 2026 in Paris: free activities at the Musée des Arts et Métiers
The Museum of Arts and Crafts is taking part in Heritage Days on Saturday, September 19 and Sunday, September 20, 2026, offering a free tour and free activities that are especially popular with children. Click here to view the program! [Read more]
Journées du Patrimoine 2026 at the Hôtel de Sully: tour of the Duchess's apartments
For the 2026 Heritage Days, the Duchess’s apartments will open their doors in the Marais in an exceptional move on September 19 and 20. Discover the program! [Read more]
Heritage Days 2026: Free tours to discover the Curie Museum in Paris
On the occasion of Heritage Days 2026, the Curie Museum opens its doors for the entire weekend of September 19–20, 2026, offering a deep dive into the history of the family that produced five Nobel laureates. Calling all fans of scientific heritage! [Read more]
Journées du Patrimoine 2026 à Paris : visit the prestigious Sorbonne University
For Heritage Days, the Sorbonne is staging a range of events around this historic and cultural landmark over the weekend of Saturday, September 19 and Sunday, September 20, 2026. [Read more]
Heritage Days 2026: The Hôtel de Noirmoutier, residence of the Prefect of Île-de-France, opens its doors.
Exceptionally, on the occasion of the 2026 Heritage Days, the Prefect of Île-de-France will open the doors to his official residence, the Hôtel de Noirmoutier, on Saturday, 19 September. Discover the program. [Read more]
Heritage Days 2026 at the Swedish Institute: guided tours to 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 that houses it: the superb Hôtel de Marle. Join us on Saturday 19 and Sunday 20 September 2026 to discover this little architectural gem! [Read more]
Journées du Patrimoine 2026 : a deep dive into Paris's enigmatic sewer museum
The Paris Sewer Museum is taking part in the new edition of Heritage Days. See you Saturday, September 19 and Sunday, September 20, 2026, for unusual tours beneath the capital’s streets. [Read more]
Heritage Days 2026: Visit the Senate — Luxembourg Palace in Paris
The Senate is taking part in Paris’s 2026 Heritage Days edition. Take advantage of the weekend of September 19–20 to explore the Palais du Luxembourg, the Petit Luxembourg, and the greenhouses of the Jardin du Luxembourg. An exceptional, must-see opening! [Read more]
Heritage Days 2026: visit the Notre-Dame-de-Lorette Church in Paris
Heritage Days are back in Paris on Saturday, September 19 and Sunday, September 20, 2026: it’s a chance to discover some of the city’s historic gems, notably the Notre-Dame-de-Lorette church. [Read more]
A family-focused program at the Museum of Plans-Reliefs for Paris' 2026 Heritage Days
On the occasion of Heritage Days, the Musée des Plans-Reliefs in Paris invites young and old to discover the 28 relief maps on display in the heart of the Invalides and to explore the art of model-making, over the weekend of September 19–20, 2026. [Read more]
Playful tours at the Museum of Mathematics in Paris for Heritage Days 2026
As Heritage Days 2026 return to Paris on the weekend of September 19–20, 2026, the Museum of Mathematics invites you to a playful program! [Read more]
Discover Victor Hugo’s Paris home for free during the 2026 Heritage Days.
Every year, Heritage Days bring a wealth of cultural highlights to Paris and the Île-de-France region. And right in the heart of the capital, the Maison de Victor Hugo will open its doors free of charge this weekend, September 19–20, 2026. Here’s more information! [Read more]
Heritage Days 2026 in Paris: the program at the Maison d'Auguste Comte
The Maison d'Auguste Comte unveils its program for this weekend in Paris, September 19–20, 2026, on the occasion of the 43rd edition of Heritage Days. [Read more]
Heritage Days 2026: The National Institute for Deaf Youth in Paris program
To mark European Heritage Days 2026, this Saturday, September 19, and Sunday, September 20, come and discover the National Institute for Deaf Youth in Paris. Check out the program for this 43rd edition! [Read more]
Heritage Days 2026 at the Institut de France, the cultural venue steeped in history
The Institut de France is taking part in the 43rd edition of Heritage Days, which will be held on Saturday, September 19 and Sunday, September 20, 2026. An opportunity to discover one of Paris's best-kept secrets, steeped in history and tradition. [Read more]
This 17th‑arrondissement Paris townhouse is opening its doors exceptionally for Heritage Days 2026.
L’Hôtel Pereire, the home of the Simone and Cino Del Duca Foundation – Institute of France, opens its doors for Heritage Days 2026. On 19 and 20 September, dive into Parisian heritage and explore this historic building, which houses a fine collection of photographs, videos and archives. An opportunity not to be missed in Paris! [Read more]
Heritage Days 2026 at La Roche House – Le Corbusier Foundation in Paris
As the season kicks off, heritage meets curiosity. Among the gems to visit, La Roche House, Le Corbusier’s modernist residence in the 16th arrondissement, opens its doors for the European Heritage Days. On September 19 and 20, 2026, museums, grand town houses, and unusual venues invite free exploration for one unforgettable weekend. A must-see opportunity for architecture enthusiasts! [Read more]
Heritage Days 2026 at Saint-Sulpice Church in Paris, one of the Left Bank’s treasures
For Heritage Days 2026 in Paris, Saint-Sulpice Church invites visitors to uncover its secrets through special tours on Saturday, September 19 and Sunday, September 20, 2026. [Read more]
Heritage Days 2026: Guided tour of the Saint Alexander Nevsky Orthodox Cathedral in Paris
The weekend of Saturday, September 19 and Sunday, September 20, 2026, Heritage Days invites the public to rediscover Paris in a unique way. An opportunity to visit the St. Alexander Nevsky Orthodox Cathedral in Paris. [Read more]
Heritage Days 2026: self-guided tour of the Forney Library – Hôtel de Sens
On the occasion of the 2026 Heritage Days in Paris, the Hôtel de Sens, home to the Forney Library, will open its doors to the public free of charge on Saturday 19 and Sunday 20 September 2026. [Read more]
Heritage Days 2026: Discover the studio of the renowned sculptor Claude de Soria in Paris
Heritage Days invite you to the weekend of September 19–20, 2026 for a fresh edition packed with cultural discoveries. For art and sculpture lovers, it’s a prime chance to dive into the heart of Claude de Soria’s workshop in Paris. [Read more]
Heritage Days 2026: The American Church in Paris invites you to step inside
For Heritage Days, the American Church in Paris invites curious visitors to explore the church through guided tours on Saturday, September 19 and Sunday, September 20, 2026. [Read more]
Heritage Days 2026: An exceptional visit to the National Academy of Surgery in Paris
This year, the 2026 Heritage Days will be held on September 19 and 20. An opportunity to discover venues that open their doors specifically for the event, such as the National Academy of Surgery in Paris’ 6th arrondissement. [Read more]
Heritage Days 2026: Free guided tours of the King's Kitchen Garden in Versailles (78)
For the 2026 Heritage Days, we’re heading to the Potager du Roi at the Château de Versailles to enjoy two free days in an enchanting setting, on September 19 and 20. On the program: guided tours and activities for kids and adults alike! [Read more]
(Re)discover the necropolis of the kings of France and its medieval garden during Heritage Days 2026.
The Basilica of Saint-Denis, renowned for housing France’s royal necropolis, unveils a rich lineup for the 2026 Heritage Days. An organ concert, activities, and even special tours of its medieval garden — here’s what to expect on September 19 and 20, 2026. [Read more]
Heritage Days 2026 at the Rambolitrain Museum: a visit and a train ride
Have you heard of Rambolitrain? This quirky miniature train museum opens its doors to you on September 19 and 20, 2026, for Heritage Days. With family or friends, come explore this playful venue and its fascinating collections for free. [Read more]
Heritage Days 2026 at the Air and Space Museum in Le Bourget (93)
Take a voyage to the stars during Heritage Days with the exceptional workshops at the Museum of Air and Space. On September 19 and 20, 2026, the Bourget Museum invites you to take part in unprecedented happenings around its collections. [Read more]
Heritage Days 2026 at the Maison des Italiens in Versailles: a little-known monument in the Yvelines (78)
Want to uncover the secrets of France’s heritage without spending a dime? On September 19 and 20, 2026, the European Heritage Days will throw open the doors to the country’s most unusual and iconic sites. This year, in Yvelines (78), treat yourself to the Maison des Italiens in Versailles, an elegant private mansion listed as a Historic Monument. [Read more]
Heritage Days 2026: historical reenactment at the Val-d'Oise Archaeological Museum (95)
On the occasion of Heritage Days, the Val-d'Oise Archaeological Museum invites you to explore its program for the weekend of September 19–20, 2026. How about we dive into the fascinating adventures of archaeological heritage? [Read more]
Heritage Days 2026: explore Wood Cottage, a house with witch-like charm, in Le Vésinet.
On the occasion of the 2026 Heritage Days, marvel at a true architectural gem in the town of Le Vésinet: Wood Cottage, a curious house that looks like it’s stepped straight out of a fantasy film. Here’s the program! [Read more]
Heritage Days 2026 at the Troglodyte Church of the Annunciation, an unusual stopover in the 95
On 19 and 20 September 2026, the European Heritage Days uncover the hidden treasures of Paris and Île-de-France. What's on the agenda in Val-d'Oise (95)? A gripping dive into history, right to the heart of the rock, to the region's only troglodyte church, tucked away in Haute-Isle. [Read more]
Heritage Days 2026 at the Datcha — Ivan Turgenev Museum, the writer’s retreat in Yvelines (78)
The European Heritage Days 2026 are your VIP pass to the behind-the-scenes of history, coming up on September 19 and 20. In Yvelines (78), we head to the Datcha – the Ivan Tourguéniev Museum, a charming Swiss-Russian-style chalet that once belonged to the writer, tucked away in the Bougival woods. [Read more]
Heritage Days 2026 at the Jean-Jacques Rousseau Museum in Montmorency (95)
As part of Heritage Days, the Jean-Jacques Rousseau Museum in Montmorency, Val-d'Oise (95), invites you to explore its spaces and exhibitions and to join workshops on 19 and 20 September 2026. [Read more]
Heritage Days 2026: discover Poissy's Iron House with an immersive game (78)
What’s on for the 2026 Heritage Days in Yvelines? Over in Poissy, it’s a chance to go (re)discover the Iron House on Saturday, September 19, 2026! [Read more]
Heritage Days 2026: explore Villa Savoye in virtual reality (78)
La Villa Savoye opens its doors free of charge on September 19 and 20, 2026, to mark the new edition of Heritage Days, with virtual reality tours on the agenda. [Read more]
Journées du Patrimoine 2026 : discover the park at Château de Bourdonné in Yvelines
Private property closed to the public, the Château de Bourdonné will exceptionally open its verdant park for Heritage Days 2026. A rare opportunity to glimpse the exterior of this elegant Louis XIII–style residence nestled in the heart of the Yvelines. [Read more]
Heritage Days 2026: discover Houdan’s medieval town and its keep (78)
In the heart of the Yvelines, a picturesque medieval town hides numerous remnants of the Middle Ages, from its keep and its fortifications to its old inns. For Heritage Days, on September 19 and 20, 2026, come discover them in Houdan! [Read more]
Heritage Days 2026: visit the André Derain House, the workshop of a Fauvist master (78)
Let your eyes wander and your footsteps stray for Heritage Days on Sunday, September 20, 2026. In Chambourcy, in the Yvelines (75), the André Derain House-Museum reveals the Fauvist master's studio and other flamboyant keepsakes from the 20th century. [Read more]
Heritage Days 2026: offbeat and free activities at the Désert de Retz (78)
For the 2026 Heritage Days, a one-of-a-kind experience awaits you at the Désert de Retz in Chambourcy, Yvelines, this Sunday, September 20, 2025. A picturesque, romantically framed journey into a site steeped in history and architectural wonders. [Read more]
Heritage Days 2026: discover the Urban Transport Museum in Chelles (Seine-et-Marne)
The Urban Transport Museum, located in Chelles, welcomes visitors with free admission for Heritage Days on September 19 and 20, 2026. Come discover more than 70 transport vehicles dating from 1863 to the present day through a special program. [Read more]
Giant shows and games at the Château de Saint-Jean de Beauregard for Heritage Days
On the occasion of the 43rd edition of Heritage Days, Château Saint-Jean de Beauregard invites you to visit on September 19 and 20, 2026. As part of these discovery-focused days, guided tours of the castle and its gardens will be offered. [Read more]
Heritage Days 2026: creative workshops and guided tours at the Musée de la Toile de Jouy in Yvelines (78)
In honor of the 2026 Heritage Days, on September 19 and 20, the Musée de la Toile de Jouy opens its doors to curious visitors with a lineup of free activities, in the Yvelines. [Read more]
Heritage Days 2026 at Château de Breteuil (Yvelines, 78), at the heart of Perrault’s fairy tales
Le Château de Breteuil, the place that draws us into the heart of Perrault's tales, will take part in Heritage Days on the weekend of September 19–20, 2026. Here’s the programme, but note: admission remains payable! [Read more]
This air-raid shelter in the Paris region will be open to visitors for the 2026 Heritage Days.
Heritage Days are back in the Île-de-France region, and for the occasion an air-raid shelter dating from World War II will be open to visitors in an exceptional visit over the weekend of 19–20 September 2026. [Read more]
Heritage Days 2026: discover the Canal Boatmen Museum in Conflans-Sainte-Honorine (78)
They're back: this weekend, Saturday, September 19 and Sunday, September 20, 2026, the Heritage Days kick off a new edition in Paris and Île-de-France. Over in Conflans (78), head to the Museum of River Barging and Inland Waterways! [Read more]
Heritage Days 2026: guided tours at Archéa – Louvres Archaeological Museum (95)
For Heritage Days, Archéa, the archaeology museum in Pays de France, based in Louvres in the Val-d'Oise, invites you to guided tours on Saturday, September 19 and Sunday, September 20, 2026. Here’s the program for this 43rd edition! [Read more]
Theatrical tour and new exhibition for Heritage Days 2026 at Château d'Écouen
The Château d'Ecouen and its Renaissance Museum participate in Heritage Days on Saturday, September 19 and Sunday, September 20, 2026. Take advantage of free guided tours for visitors of all ages. [Read more]
Period costumes and a bread oven: Heritage Days program at Fort de Cormeilles-en-Parisis
Visit Fort de Cormeilles during the Heritage Days on Sunday, September 20, 2026. This former military fort, now owned by the Île-de-France Regional Green Spaces Agency, opens its doors to families and history buffs, free of charge, of course! [Read more]
Heritage Days 2026: discover the Beaumont Palace cinema (95), listed as a Historic Monument
On the occasion of Heritage Days, this Saturday, September 19 and Sunday, September 20, 2026, the best-known cinema in Val-d'Oise reveals a different side with a special program! [Read more]
Treasure hunt and music at Victor Hugo's literary house for Heritage Days
Victor Hugo's literary house, in Bièvres, Essonne, will open its doors free to the public on September 19 and 20, 2026, for Heritage Days. [Read more]
Heritage Days 2026: must-see spots to visit in Sucy-en-Brie (94)
For the 2026 Heritage Days, the town of Sucy-en-Brie is organizing a wide array of tours and events. A chance to discover the town from a new perspective on Saturday, September 19 and Sunday, September 20. We’ll share the program with you. [Read more]
Market, vintage cars and sheepdogs: Heritage Days 2026 at Mesnil-Voysin Castle
The Château de Mesnil-Voysin, situated in Bouray-sur-Juine, awaits you this weekend, September 19–20, 2026, for Heritage Days. Discover this special program. [Read more]
Heritage Days 2026 in Rosny Rail (93): discover the Seine-Saint-Denis train museum
Are you familiar with the Rosny-sous-Bois Train Museum? For Heritage Days, the Rosny Rail Museum will open its doors free of charge on Saturday, September 19 and Sunday, September 20, 2026, inviting you on a journey to the heart of railway history! [Read more]
Heritage Days 2026 at Beaumont-sur-Oise Castle (95), the program
Beaumont-sur-Oise Castle opens up for Heritage Days 2026. A relic of the Middle Ages, the castle’s keep dominates the banks of the Oise and offers a splendid view of Saint-Laurent Church, to be discovered on September 19 and 20. [Read more]
Heritage Days 2026: the program at the Château de Champs-sur-Marne (77)
For the 43rd Heritage Days, the Château de Champs-sur-Marne is unveiling an artistic program to be explored on the weekend of September 19–20, 2026. [Read more]
Heritage Days 2025 at the Musée Pissarro, Pontoise (95), the program
The Musée Pissarro takes part in the Journées du Patrimoine 2025. Located on the site of a medieval château, this museum pays tribute to the painter Camille Pissarro, who lived in Pontoise for 17 years. On Saturday September 20 and Sunday September 21, 2025, discover the museum and its gardens, while enjoying a beautiful view over the Val-d'Oise. [Read more]
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
