The Journées du Patrimoine (Heritage Days) are one of the highlights of September. In Paris and throughout theÎle-de-France region, a wide range of venues are taking part, offering a vast program of visits, events and workshops at the heart of our most beautiful monuments. Museums, churches, châteaux, libraries, gardens and even places closed to the public, such as major institutions, ministries and embassies, are among the many addresses taking part in this exceptional weekend, enabling everyone to find a program to suit their passion.
Across the Paris region, everyone is joining in for the Heritage Days, as they celebrate their 43rd edition this year. Typically the event takes place on the third weekend of September. So mark your calendars for the 19 and 20 September 2026 to enjoy this essential cultural outing.
While Paris takes center stage, the Île-de-France region is also brimming with gems just waiting to be discovered! For example in the Val-de-Marne, the town of Fresnes unveils several tours and activities for this exceptional weekend. Want to discover what awaits you there? Check out the program below!
Domaine de la Peupleraie
La Peupleraie: a remarkable piece of 20th‑century heritage
A marquee presentation of La Peupleraie's history from 1956 to the present,
Self-guided tour of the 12-hectare park: an open-house day for the Shared Garden,
Meet the Beavers, La Peupleraie's first inhabitants who built their homes.
Participation conditions: Free | No reservation required
Hours: Saturday, September 19, 2026 — 10:00–17:30 | Sunday, September 20, 2026 — 10:00–17:30
Guided tour of La Peupleraie's duplex apartments, a standout 20th‑century heritage site
Tour of the La Peupleraie duplex apartments!
Residents have agreed to open their homes, which means the following rules apply:
* Respect the timings and follow the volunteer guide
* Walk quietly to avoid disturbing the neighbors
* Remove your shoes for the visit
Participation requirements: Free | No reservation required
Schedule: Saturday, September 19, 2026 — 11:00–12:00, 16:00–17:00 | Sunday, September 20, 2026 — 11:00–12:00, 16:00–17:00
Fresnes Ecomuseum - Grand-Orly Seine Bièvre
Drinking tours (non-alcoholic and to be enjoyed in moderation)
For European Heritage Days, the eco-museum is lining up surprises to rediscover the exhibition “Tournée Générale!”. Highlights include guided tours with tastings of non-alcoholic cocktails and waiter races.
The artist Malo Patron will also be present in the exhibition “Écrire la Bièvre” to present his work from 2:00 PM to 7:00 PM.
> On Saturday, September 19, tours and races at 11:00, 2:30 PM and 4:30 PM
Conditions for participation: Free of charge, no reservation required. - Free | No reservation
Schedule: Saturday, September 19, 2026 — 11:00–12:00, 2:30–3:30 PM, 4:30–5:30 PM
Fresnes Town Hall
Digital treasure hunt to discover Fresnes' heritage, with Baludik
On the occasion of European Heritage Days, a special issue of Panorama, the local Fresno newspaper, is about to roll off the presses. Follow the map through the streets of Fresnes to build the pages of the chronicle, thanks to a route crafted by Baludik! This digital scavenger hunt, available to download for free, aims to raise public awareness of urban planning in action; it’s also a chance to share anecdotes and little-known facts about Fresnes’s heritage and to discover its current cultural facilities.
Starting from the town hall between 2:00 p.m. and 3:30 p.m. (1 Pl. Pierre et Marie Curie, 94260 Fresnes). Estimated duration: 1 hour 30 minutes.
A complimentary snack will be provided at the end of the route; meet at the Cottinville farm (41 rue Maurice Ténine, 94260 Fresnes) starting at 4:00 p.m.
Participation requirements: Bring a mobile phone with a charged battery and an internet connection (mobile data) — Free
Schedule: Saturday, September 19, 2026 — 2:00 PM to 5:00 PM
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Location
Fresnes
1 Place Pierre et Marie Curie
94260 Fresnes
Route planner
Accessibility info
Official website
www.fresnes94.fr