Journées du Patrimoine 2025: visit archaeological sites and excavation sites in Île-de-France

Published by Margot de Sortiraparis, Cécile de Sortiraparis · Photos by Margot de Sortiraparis · Updated on August 19, 2025 at 03:34 p.m.
As on every third weekend in September, the European Heritage Days are back in Paris and the Île-de-France region, with a great program to discover. Archaeology enthusiasts take note: many little-known sites and excavation sites are on the program for this major event on September 20 and 21, 2025!

Would you like to slip into the shoes of an archaeologist for a weekend? That's what you canexperience at the 42nd Journées du Patrimoine event in the Paris region. That's right, archaeological sites in the Île-de-France region will be offering you the chance to take part in special and even exceptional visits to excavation sites that will take you on a journey into the past of the Île-de-France region.

The European Heritage Days are a major cultural event, offering the general public the chance to rediscover the essential and little-known treasures that make up our heritage. Held every year on the third weekend in September, they invite us to enjoy free visits andexceptional openings at the heart of historic monuments,religious buildings, museums, castles, ministries,embassies,hospitals and other fascinating places.

During the weekend, Parisians and visitors alike can enjoy free access to emblematic sites such as the Palais de l'Élysée, the Senate, theHôtel de Ville, and many others. A wide range of activities are also on offer, including guided tours, workshops, exhibitions and other events. Historic districts, major culturalinstitutions and unusual places reveal their secrets!

Less well known, this event is also an opportunity to discover archaeological sites, excavation sites and other places dedicated to the discovery of remains in the Île-de-France region. Discover these unique and fascinating sites as they reveal their secrets to the general public during the Journées du Patrimoine, the 42nd edition of which is scheduled for the weekend of September 20 and 21, 2025 .

On the program for the Journées du Patrimoine 2025, on the archaeological side:

Musée d'Archéologie National - Château de Saint-Germain-en-LayeMusée d'Archéologie National - Château de Saint-Germain-en-LayeMusée d'Archéologie National - Château de Saint-Germain-en-LayeMusée d'Archéologie National - Château de Saint-Germain-en-Laye Heritage Days 2025 at the Château de Saint-Germain-en-Laye - Musée d'Archéologie Nationale (78), program
The Château de Saint-Germain-en-Laye is taking part in the Journées du Patrimoine 2025. The program for Saturday September 20 and Sunday September 21 includes guided tours of the Château and the Musée d'Archéologie Nationale, and more! [Read more]

Journées du Patrimoine 2022 : visites et escape game à Archéa - musée archéologique de Louvres (95)Journées du Patrimoine 2022 : visites et escape game à Archéa - musée archéologique de Louvres (95)Journées du Patrimoine 2022 : visites et escape game à Archéa - musée archéologique de Louvres (95)Journées du Patrimoine 2022 : visites et escape game à Archéa - musée archéologique de Louvres (95) 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]

Journées du Patrimoine 2024 : découvrez le site archéologique de la ville de Pincevent (77)Journées du Patrimoine 2024 : découvrez le site archéologique de la ville de Pincevent (77)Journées du Patrimoine 2024 : découvrez le site archéologique de la ville de Pincevent (77)Journées du Patrimoine 2024 : découvrez le site archéologique de la ville de Pincevent (77) Heritage Days 2025: visit the archaeological site of the town of Pincevent (77)
On Saturday September 20 and Sunday September 21, 2025, the Journées de Patrimoine return to Paris and the Île-de-France region. Join us in Pincevent, in the Seine-et-Marne département, to discover the town's archaeological site through a special program. [Read more]

Journées du patrimoine 2024 : découvrez le site archéologique d'Orville à Louvres (95)Journées du patrimoine 2024 : découvrez le site archéologique d'Orville à Louvres (95)Journées du patrimoine 2024 : découvrez le site archéologique d'Orville à Louvres (95)Journées du patrimoine 2024 : découvrez le site archéologique d'Orville à Louvres (95) 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]

Journées du Patrimoine 2019 au Musée archéologique du Val d'OiseJournées du Patrimoine 2019 au Musée archéologique du Val d'OiseJournées du Patrimoine 2019 au Musée archéologique du Val d'OiseJournées du Patrimoine 2019 au Musée archéologique du Val d'Oise 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]

Provins, cité médiévale - IMG 4648Provins, cité médiévale - IMG 4648Provins, cité médiévale - IMG 4648Provins, cité médiévale - IMG 4648 Heritage Days 2025: visit the Provins (77) archaeological excavation site
During the Heritage Days on September 20 and 21, 2025, discover the Provins archaeological excavation site in the Seine-et-Marne département. [Read more]

Archéosite Neuilly-sur-MarneArchéosite Neuilly-sur-MarneArchéosite Neuilly-sur-MarneArchéosite Neuilly-sur-Marne Journées du Patrimoine 2025: a host of events at the Archéosite, in the Parc de la Haute-Île (93)
The Journées de Patrimoine 2025 return on the weekend of September 20 and 21, 2025. Calling all archaeological enthusiasts: the Archéosite du parc de la Haute-Île, in Neuilly-sur-Marne (93), opens its doors to you! [Read more]

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Practical information

Dates and Opening Time
From September 20, 2025 to September 21, 2025

× Approximate opening times: to confirm opening times, please contact the establishment.

    Prices
    Free

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