Essonne

Flea markets and rummage sales in the Paris suburbs: weekend schedule for August 15–16, 2026

Attention bargain-hunters: the Paris suburbs are hosting several flea markets and garage sales this weekend, with plenty to rummage through, haggle over, and head home with arms full on August 15–16, 2026.

Heritage Days 2026: The Nymphée Nymphée, a shell grotto in Viry-Châtillon (91)

Heritage Days are back for the weekend of September 19–20, 2026 in Paris and the Île-de-France region. It’s a chance to explore the Nymphée Nymphée, a mysterious shell-covered grotto waiting for you in Viry-Châtillon, Essonne. An offbeat discovery awaits!

Vivid red, bronzed, bright yellow... These heirloom squashes that were born in Île-de-France

Rouge vif d’Étampes, Bronzé de Montlhéry, Jaune Gros de Paris... Behind these colorful names lie heirloom varieties of squash and pumpkins born in Île-de-France. Here they are!

Heritage Days 2026 in Étampes (91): the lineup of special guided tours.

On Saturday, September 19 and Sunday, September 20, 2026, the European Heritage Days invite you to explore the riches of local heritage, as here in Étampes, in the Essonne department.

Heritage Days 2026 at Villeconin's medieval castle (91): the program!

The Château de Villeconin, located in Essonne, invites us to make the most of Heritage Days by highlighting its treasures through a weekend program of tours on 19 and 20 September 2026.

Heritage Days 2026: Tours and activities to check out in Corbeil-Essonnes (Essonne 91)

There’s no shortage of cultural highlights in Corbeil-Essonnes during this Heritage Days weekend! Discover the places to visit on September 19 and 20, 2026.

Bierville Castle to Open Its Doors for Heritage Days 2026

The European Heritage Days return on 19 and 20 September 2026. On this occasion, Château de Bierville, in Boissy-la-Rivière, Essonne, will open its doors to visitors for an exceptional showing. A rare opportunity to discover a site steeped in history, closely tied to Île-de-France heritage and the social commitments of the 20th century.

Heritage Days 2026 in Orsay (91): the city’s visiting programme

On the weekend of September 19–20, 2026, head to Orsay in Essonne for the European Heritage Days. It’s the perfect chance to discover this small town, but above all to go behind the scenes and explore the hidden corners of its scientific and patrimonial treasures.

Science Festival 2026: the lineup of activities at École Polytechnique (91)

Science Festival is back for its 2026 edition, running from October 2 to 12. To mark the occasion, École Polytechnique opens its doors to the public for a day packed with activities and discoveries.

Science Festival 2026 in Palaiseau (Essonne 91): the lineup of activities

Science Festival 2026 runs from October 2 to 12, featuring workshops, exhibitions, festivals and activities centered on research. In Palaiseau, several free events are offered to the public, with activities accessible to children from age 3.

In Étampes, the Guinette Tower marks its inauguration during the 2026 Heritage Days.

After several years of restoration, the Guinette Tower is ready to welcome the public again on September 19 and 20, 2026, for Heritage Days. An event that will shine a spotlight on one of the principal witnesses to Étampes' medieval history.

Heritage Days 2026: visit the École Polytechnique in Palaiseau (91)

The École Polytechnique is also taking part in Heritage Days 2026, offering guided tours on Saturday 19 and Sunday 20 September 2026.

Mennecy Metal Fest 2026: the lineup by day and by stage

Metal music returns to Essonne for the new, 14th Mennecy Metal Fest. See you on Friday 4, Saturday 5 and Sunday 6 September 2026 at Parc de Villeroy to feel the powerful, explosive sounds of Saxon, Alestorm, Ultra Vomit, Oomph!, Tagada Jones, Psykup and Houle. Discover the day-by-day, stage-by-stage lineup for this edition.

Heritage Days 2026 at Trajan Tower (91): a tour of the ancient column of Méréville

Did you know that a Roman monument overlooks the Essonne? We’re taking advantage of Heritage Days on September 19 and 20, 2026 to discover Trajan’s Tower, this curiosity of the town of Méréville!

Giant shows and games at the Château de Saint-Jean de Beauregard for Heritage Days

On the occasion of the 43rd edition of Heritage Days, Château Saint-Jean de Beauregard invites you to visit on September 19 and 20, 2026. As part of these discovery-focused days, guided tours of the castle and its gardens will be offered.

Heritage Days 2026 in Gif-sur-Yvette (Essonne): discover the town’s many gems.

The 2026 edition of the European Heritage Days unfolds over the weekend of September 19–20: a chance to uncover regional heritage gems, whether close to home or farther afield in the region, as here in Gif-sur-Yvette, in Essonne.

Heritage Days 2026 at the Château and Courances Park (91): what’s on

Take advantage of the 2026 Heritage Days to discover a haven of peace: the Château and Parc de Courances, in Essonne (department 91), will open their doors on 19 and 20 September 2026 for paid guided tours.

Camping la Musardière, the pool-equipped campsite for a night in the heart of the Fontainebleau forest

With its pitches and fully equipped mobile homes, the Musardière campsite welcomes nature lovers and climbers alike, set in an exceptional backdrop in the heart of the Fontainebleau forest.

Massy Primeurs Festival 2026: the full lineup by day

The Les Primeurs de Massy festival is back, running from Wednesday, October 28 to Saturday, October 31, 2026, at Paul B in Massy, with an eclectic new lineup. What’s on the bill this autumn? Camille Yembe, Pamela, Noor, Dinaa, and, among others, Golimar and Lézard.

Laser show and community dance in Les Ulis (Essonne) for Bastille Day 2026, fireworks canceled

Les Ulis celebrate Bastille Day with spectacular, family-friendly festivities to be enjoyed this Monday, July 13, 2026. Due to the very high risk of wildfires and current weather conditions, the Essonne prefecture has banned fireworks displays across the entire department.