Every year, the Journées du Patrimoine (Heritage Days) are the ideal opportunity to explore places that are only revealed on rare occasions. In the Val d'Oise, a host of cultural and historical sites are getting ready to welcome the public over the weekend of September 20 and 21, 2025. Castles, churches and museums open their doors for guided tours, workshops and exhibitions, offering a fascinating insight into the history and traditions of this land steeped in memory.
From Pontoise to Auvers-sur-Oise, you can rediscover architectural gems and monuments of great historical importance. This 2025 edition promises to fill us with wonder, offering us the opportunity to explore lesser-known places, where we can feel all the charm of a preserved and living heritage.
By the way, what are the Heritage Days? Every year, for over 40 years, art, culture, history, unusual sites and heritage sites all over Europe have been opening their doors to visitors, often free of charge! To bring this exceptional heritage to life, the inhabitants of participating countries are invited to take part in a variety of visits and events. A great weekend-long event not to be missed!
Journées du Patrimoine 2025: the program at Claude Monet's Maison Impressionniste in Argenteuil (95)
For the Journées du Patrimoine 2025, Claude Monet's Maison Impressionniste welcomes you to Argenteuil on September 20 and 21, 2025. [Read more]
Heritage Days 2025 at the Val-d'Oise departmental archives: the program
The Val-d'Oise departmental archives are opening their doors to children for the Journées du Patrimoine (Heritage Days), on Saturday September 20 and Sunday September 21, 2025. Ready to discover the program that awaits you? [Read more]
Heritage Days 2025: visit the Château d'Ecouen - Musée national de la Renaissance (95)
The Château d'Ecouen and its Renaissance museum are taking part in the Journées du Patrimoine (Heritage Days) on Saturday September 20 and Sunday September 21, 2025. Enjoy free guided tours for all ages. [Read more]
Heritage Days 2025: guided tours of Archéa, the archaeological museum in Louvres (95)
For the Journées du Patrimoine, Archéa, the Pays de France archaeology museum in Louvres, Val-d'Oise (95), awaits you for guided tours on Saturday September 20 and Sunday September 21, 2025. Here's the program for the 42nd edition! [Read more]
Heritage Days 2025 at Château d'Auvers-sur-Oise (95): free visit to the Van Gogh exhibition
The Château d'Auvers-sur-Oise awaits you on the weekend of September 20 and 21, 2025, for the 42nd European Heritage Days. Discover the program that awaits you this year. [Read more]
Heritage Days 2025: the program at Fort de Cormeilles-en-Parisis (95)
Visit Fort de Cormeilles during the Journées du Patrimoine 2025, on Saturday September 20 and Sunday September 21. This former military fort, now owned by the Agence des Espaces Verts de la région Ile de France, is opening its doors to families and history buffs, free of charge of course! Click here for the program. [Read more]
Heritage Days 2025: historical re-enactment at the Musée archéologique du Val d'Oise (95)
To mark the 42nd Journées du Patrimoine, the Musée archéologique du Val-d'Oise invites you to discover its program for the weekend of September 20 and 21, 2025. How about immersing yourself in the fascinating adventures of archaeological heritage? [Read more]
Journées du Patrimoine 2025 at the Musée Pissarro, Pontoise (95), the program for art lovers
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. A great way to spend a cultural weekend. [Read more]
Journées du Patrimoine 2025: visits and events at Maubuisson Abbey (95), the program
To mark the Journées du Patrimoine, Maubuisson Abbey is opening its doors to visitors on Saturday 20th and Sunday 21st September 2025. Discover the program at this historic Val d'Oise site. [Read more]
Heritage Days 2025, the program at Château de Beaumont-sur-Oise (95)
The Château de Beaumont-sur-Oise is unveiled during the Journées du Patrimoine 2025. A vestige of the Middle Ages, the château's keep dominates the banks of the River Oise and offers a splendid view of the Saint-Laurent church, to be discovered on September 20 and 21. Discover the program! [Read more]
Heritage Days 2025: discover the secrets of the Villarceaux estate (95)
Will you be visiting the Parc naturel régional du Vexin français on September 20 and 21, 2025? Take advantage of the Journées du Patrimoine to visit the Domaine de Villarceaux in Chaussy. [Read more]
Heritage Days 2025: discover the Beaumont Palace cinema (95), a listed historic monument
On the occasion of the Journées du Patrimoine (Heritage Days) on Saturday 21 and Sunday 22 September 2024, Val-d'Oise's best-known cinema reveals itself in a different light with a special program! [Read more]
Heritage Days 2025 at the Musée Jean-Jacques Rousseau, Montmorency (95): workshops and exhibitions on the program
For the Journées du Patrimoine, the Musée Jean-Jacques Rousseau, located in Montmorency in the Val-d'Oise (95), invites you to discover its spaces and exhibitions, and take part in workshops on September 20 and 21, 2025. We reveal the program in detail! [Read more]
Heritage Days 2025 in Osny (95), visit program
For the Journées du Patrimoine 2025, discover Osny, a historic jewel in the Val-d'Oise, on the weekend of September 20-21. Between centuries-old monuments and cultural events, let yourself be charmed by this town full of surprises! [Read more]
Heritage Days 2025 at the Musée départemental des Sapeurs-Pompiers du Val d'Oise (95)
The Musée départemental des Sapeurs-Pompiers du Val d'Oise, located in Osny, is taking part in the Journées du Patrimoine (Heritage Days), offering children and adults alike a glimpse of the firefighting profession, on Saturday September 20 and Sunday September 21, 2025. [Read more]
Heritage Days 2025: guided tours of the astonishing Château de la Roche Guyon (95)
Take advantage of the Journées du Patrimoine (Heritage Days) on Saturday September 20 and Sunday September 21, 2025, to visit a unique château in the Île-de-France region: Château de la Roche Guyon, located in the Val d'Oise. [Read more]
Heritage Days: guided tour of the Cartoucherie Ecomuseum (95)
The Journées du Patrimoine 2025, on September 20 and 21, opens the doors of the Écomusée de la Cartoucherie in Survilliers to discover its rich industrial and working-class past. [Read more]
Heritage Days: guided tour of the Sarcelles Naval Museum (95)
On September 20 and 21, 2025, discover France's maritime history for free at the Musée naval de Sarcelles, with guided tours and events. [Read more]
Heritage Days 2025: visit Claude Monet's house in Vétheuil (95)
Between Giverny and Paris, discover the house in Vétheuil where Claude Monet and his wife lived for many years. A visit not to be missed during the 42nd Journées du Patrimoine, on September 20 and 21, 2025. [Read more]
Heritage Days 2025 at the Hermitage oven in Pontoise (95): Tours and bread tasting
Calling all bread lovers: the Hermitage oven in Pontoise invites you to visit and sample its crusty bread during the Journées du Patrimoine 2025, on September 20 and 21, 2025. [Read more]
Heritage Days 2025 at Royaumont Abbey
For the Journées du Patrimoine 2025, the Royaumont estate is opening its doors to guided tours of the Abbey and its gardens. [Read more]
Heritage Days 2025 at the Annonciation troglodyte church (95), the program
On September 20 and 21, 2025, the Journées Européennes du Patrimoine (European Heritage Days) will be opening the doors to the unsuspected treasures of Paris and the Île-de-France region. In Val-d'Oise (95), head for Haute-Isle for a mineral immersion in the region's only troglodyte church, carved right into the cliff. [Read more]
Heritage Days 2025: visit the Orville archaeological site in Louvres (95)
On the weekend of September 20 and 21, 2025, many cultural and historical sites will be opening their doors for the European Heritage Days. In Louvres (95), the Orville archaeological site opens its doors to the public for the occasion. [Read more]
Heritage Days 2025: what to do in Argenteuil (95), the program
Discover the Journées du Patrimoine in Argenteuil, this Saturday September 20 and Sunday September 21, 2025! Explore the town's cultural wealth, its emblematic monuments and its fascinating past during this unique weekend. [Read more]
Heritage Days 2025 in Pontoise (95), the program in the city
During the Journées du Patrimoine 2025, Pontoise unveils its rich artistic and medieval past on September 20 and 21. Discover the treasures of this city of painters through a series of guided tours! [Read more]
Heritage Days 2025 at Auvers-sur-Oise (95): a walk in the footsteps of the Impressionists
During the Journées du Patrimoine 2025, plunge into the heart of Auvers-sur-Oise, Van Gogh's beloved village. Discover its rich artistic and historical heritage and let yourself be captivated by its hidden wonders. Here's the program for the weekend of September 20 and 21, 2025. [Read more]
Heritage Days 2025: events at Jouy-le-Moutier / Vincourt (95)
During the Journées du Patrimoine 2025, Jouy-le-Moutier and its hamlet, Vincourt, come alive and invite you to delve into its rich past. From ancient remains to cultural workshops, explore this Val-d'Oise nugget on September 20 and 21, 2025. [Read more]
Heritage Days 2025 in Beaumont-sur-Oise (95), the program
Discover Beaumont-sur-Oise during the Journées du Patrimoine 2025! On September 20 and 21, take a memorable journey through history and exceptional architecture. [Read more]
Journées du Patrimoine 2025 in Gonesse (95): the city's weekend program
The Journées du Patrimoine will be held on the weekend of September 20 and 21, 2025. In the Val d'Oise, the town of Gonesse invites us to discover its treasures through a number of visits. Discover the weekend program. [Read more]
Heritage Days 2025 in Vauréal (95), the town's program
Dive into the heart of the Vauréal Heritage Days on September 20 and 21, 2025! With its captivating history and preserved heritage, experience a unique weekend of discovery and wonder. Vauréal, a town rich in hidden treasures, awaits you! [Read more]
Heritage Days 2025 at Château d'Arnouville (95): concert-apéro and guided tour on the program
The 42nd edition of the Journées du Patrimoine (Heritage Days) will be held this weekend, September 21 and 22. In the Val d'Oise, the Château d'Arnouville invites us to immerse ourselves in its history. Discover this unfinished monument in the heart of the 95 département with a program combining concert-apéro and guided tours. [Read more]
Heritage Days 2025: discover the castles of Val d'Oise (95)
Make the most of the Journées du Patrimoine, and head to the Val d'Oise to conquer the castles that are unveiling a special program this weekend of September 20 and 21, 2025. [Read more]
These activities will make you appreciate your department and its heritage even more. We wish you a wonderful Heritage Days 2025 in the Val d'Oise!
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Prices
Free
