Heritage Days 2025 in Coulommiers, Seine-et-Marne (77): the town's program

On the weekend of September 20 and 21, 2025, the Journées du Patrimoine (Heritage Days) will be taking place in Paris and throughout the Île-de-France region, offering an exciting program of visits and events. In Coulommiers, Seine-et-Marne, a wide range of events awaits you! Find out what's on the menu for this exceptional weekend.

The Journées du Patrimoine (Heritage Days) are held every year in September in Paris and the Île-de-France region. Over the course of an exceptional weekend, the most important sites andthe most secret nuggets of the Paris region offer us a fine program of events, often free of charge, to the delight of enthusiasts and the curious alike.

Museums, castles, churches, libraries, embassies, ministries, hospitals and even fashion houses are all part of the Heritage Days program. Every year, the program is so extensive that there's something for everyone. There's something for young and old to enjoy at this not-to-be-missed event! The next event is scheduled for the weekend of September 20 and 21, 2025, in Paris and the Ile-de-France region.

If you're in the Seine-et-Marne region and would like to discover the nuggets that await you in the heart of this verdant département, we suggest a stopover in Coulommiers, a commune located right in the middle of the region. For the Journées du Patrimoine 2024 (Heritage Days 2024), there's plenty to see and do! We take a look at the program for this 41st edition.