Heritage Days 2025 in Conflans Sainte Honorine (78), the program in the town

Conflans-Sainte-Honorine is the picturesque stop-off point for the Journées du Patrimoine 2025! Discover the program of visits and events taking place over the weekend of September 20 and 21, 2025, in this charming town in the Yvelines department. We look forward to seeing you there!

On September 20 and 21, 2025, culture will be back in the spotlight with the Journées du Patrimoine! The most important cultural event of the year is back, with a heavy dose ofactivities,workshops and guided tours at some of Europe's most beautiful historic addresses. Throughout theÎle-de-France region, the Journées du Patrimoine bring together a myriad of sites open to the public free of charge to delve into the region's fascinating history. Explore sumptuous châteaux, discover charming unspoilt villages, or visit emblematic museums and monuments, all of which offer their share of surprises. Let yourself be swept away by this cultural adventure, a true celebration of the rich heritage of Île-de-France!

Take advantage of the Journées du Patrimoine 2025 to get out of the capital and explore the vast regions of Ile-de-France, such as the charming commune of Conflans-Sainte-Honorine, in the Yvelines department. Founded in the 12th century, the town has prospered over the years thanks to its strategic location on the banks of the Seine. The authentic charm of its cobbled streets takes us back to medieval times, while its impressive castles and churches bear witness to its rich heritage today. In the 19th century, Conflans-Sainte-Honorine became an essential river crossroads, bustling with commerce and traditional "bateaux-mouches". Today, Conflans-Sainte-Honorine continues to attract visitors with its picturesque charm and its many points of interest, which can be explored on foot or on the water.

Program for the Journées du Patrimoine 2025 in Conflans Saint Honorine, Yvelines :

Heritage Days 2025: the musée de la batellerie program in Conflans-Sainte-Honorine (78)
They're back: on the weekend of Saturday September 20 and Sunday September 21, 2025, the Journées du Patrimoine (Heritage Days) kick off their new edition in Paris and the Île-de-France region. In Conflans (78), visit the Musée de la Batellerie et des voies navigables with a special program! [Read more]