Essonne (91)

Gunsmoke Brothers Band to play a free concert at Le Stock in Mennecy

This Thursday, October 1, 2026, Le Stock in Mennecy will host the Gunsmoke Brothers Band for a free concert that will spotlight southern rock!

Paris-Saclay Running Tour 2026: a marathon and races to discover the region in a different way

The Paris-Saclay Running Tour is back on November 7 and 8, 2026, offering five formats from 1.5 km up to the marathon. Running, walking, relays, and joëlette events are on the program for this second edition, designed to bring together a wide range of profiles.

Discover this stunning Art Deco garden, officially listed as a remarkable site, for Architecture Days 2026.

For this year's edition of the National Architecture Days, discover Parc Boussard, a remarkable Art Deco garden, on a guided tour this Sunday, October 18, 2026.

Château-Musée de Nemours : discover this little-known medieval fortress, a unique gem in Île-de-France

A rare urban medieval castle in Île-de-France, the Nemours Château–Museum is currently closed until November 7 for a new installation of the exhibition "A Castle in Sweden." Note that the gardens remain freely accessible. It’s the evocative, far-flung atmosphere that makes the visit worthwhile.

October Rose 2026 in Essonne: the BriisCars, a charity soapbox derby that's both heartwarming and offbeat.

Craving something unexpected and fun, with a dash of solidarity? For Breast Cancer Awareness Month, the town of Briis-sous-Forges in Essonne hosts a quirky, family-friendly soapbox derby. Join us on Sunday, October 18, 2026, for the fifth edition of the "BriisCars."

On this day in Paris, October 11: Jean Cocteau dies at his home in Milly-la-Forêt

Jean Cocteau dies on October 11, 1963 in his house in Milly-la-Forêt, a few hours after the announcement of Edith Piaf's death. The poet had made this dwelling in Essonne his refuge and one of his main creative hubs.

The Blues Maker performing live at Le Stock in Mennecy for an "Oyster Party."

The blues will echo in Mennecy, in Essonne, this weekend. The Blues Maker band is hosting an "Oyster Party" at Le Stock this Sunday, September 27, 2026, from 6:00 PM. It’s an opportunity to enjoy great music while tasting oysters!

Bout Galeux 2026: Essonne’s biggest flea market this weekend

Deal-hunters gather in Palaiseau for the Brocante du Bout Galeux, the largest flea market in Essonne, boasting more than 500 stalls on Saturday, September 26, and Sunday, September 27, 2026, with free admission.

Heritage Days 2025 in Saclay (91): The program in the town

The Journées du Patrimoine will be held in the town of Saclay in the Essonne region on the weekend of September 20 and 21, 2025. Discover the program of events and visits awaiting us in this commune of the 91 département for this 42nd edition. So, are you ready for a weekend of exceptional visits and cultural highlights?

Heritage Days 2026 in Palaiseau (91): discover the visiting program

The weekend of September 19–20, 2026, Heritage Days are back for their 43rd edition, with a superb lineup to experience in the town of Palaiseau, in Essonne. Find out what awaits you there!

Heritage Days 2026 at Montagu Castle (91), at the heart of the ruins and the Henri IV Tower: program

Heritage Days 2026 take over Château de Montagu (91). Here’s what to expect for the weekend of September 19–20, 2026. A great plan for the weekend!

European Heritage Days 2026: The Art Deco heritage of Parc Boussard to explore in the Paris region

Designed by architect Joseph Marrast, the historic garden of Lardy reveals its distinctive layout for Heritage Days 2026. Meet us on September 19 and 20 in Essonne.

Heritage Days 2026: visit the secret estate of Sillery in Essonne

Fancy a unique outing in Île-de-France for the 2026 Heritage Days? Head to Épinay-sur-Orge to discover Sillery Park and its château.

Fête de l'Humanité 2026: road disruptions expected in Essonne

Because of the upcoming edition of the Fête de l’Humanité in Essonne, the department’s prefecture is warning of road disruptions on Friday 11, Saturday 12 and Sunday 13 September 2026, with heavy turnout expected in several areas around Base 217 and traffic described as “strongly affected.” More details to come.

Line 18 in Essonne: a big free festival at Massy-Palaiseau station this Saturday

Line 18 of the Grand Paris Express is staging a free celebration at its Massy-Palaiseau station in Essonne, featuring music, artistic performances, and tours of the platforms, this Saturday, September 12, 2026, ahead of the metro’s launch. Tours, food, and a vibrant atmosphere are on the menu.

Journées du Patrimoine 2026 à Bouray-sur-Juine : dive into the world of vanished trades

Off to Essonne for Heritage Days 2026! The Bouray-sur-Juine Museum is reopening its former workshops for an immersive weekend at the heart of Francilien craftsmanship.

Halloween 2026 at CNRS: an escape room and talks in a château in Essonne

For Halloween 2026, the CNRS opens the doors of Button Castle in Gif-sur-Yvette on Friday, October 30, from 7 p.m. to 11 p.m. This second “Terrifyingly Scientific Evening” brings together three roundtables on the afterlife, mummies, and dark matter, plus an escape room focused on bats. The event is only available by registration, starting September 21, 2026.

Heritage Days 2026 in Forges-les-Bains: the outings schedule

The weekend of September 19–20, 2026, head to the commune of Forges-les-Bains in Essonne to make the most of Heritage Days.

Journées du Patrimoine 2026: Free tour of Paris-Saclay University's Mineralogy Museum

Rare crystals and meteorites await you in Bures-sur-Yvette. Take advantage of Heritage Days 2026 to visit the Paris-Saclay mineralogy collection for free.

Journées du Patrimoine 2026 : a historic cyanotype workshop at the Departmental Archives (91)

Immerse yourself in the secrets of early photography in Essonne. The departmental archives invite you to a vibrant cyanotype workshop for Heritage Days 2026.