What to do in yvelines

Flea markets and garage sales in Yvelines (78): September 26–27, 2026

Flea markets and garage sales in Yvelines (78) are in full swing this weekend of September 26–27, 2026, led by the Chatou Fair on the Île des Impressionnistes, with about twenty other events from Bougival to Septeuil.

This Yvelines pastry shop, home to macarons champions, unveils its new display case.

The pastry shop Le Jardin Sucré is reopening its historic boutique in Cernay-la-Ville, in the Yvelines, after a summer of renovations. France’s macarons champions Mélanie and Arnaud Mathez reveal, starting this September 2026, a fully redesigned botanical-inspired interior that invites guests to settle in and linger.

Endesumar Medieval Festival 2026 in Yvelines, photos of the Viking encampment

The Endesumar Medieval Festival transforms the grounds of Château de Rangiport, in Gargenville (Yvelines), into a full-scale Viking encampment and continues its journey this Sunday, September 13, 2026. We stopped by on Saturday—here’s what to expect on site.

Festival Lumières Impressionnistes 2026: we spotted Monet in Chatou (78)

Le Festival Lumières Impressionnistes transforms the Île des Impressionnistes de Chatou (78) en jardin rêvé de Claude Monet jusqu'au 12 septembre 2026. On a découvert ce festival gratuit en avant-première et on vous dévoile nos images.

An immersive, costume-filled garden party is in the works at this château in the Yvelines.

An immersive garden party, titled "The Enchanted Garden of Pompadour," sweeps onto the Dampierre-en-Yvelines estate this Saturday, September 26, 2026, featuring entertainment, activities for children, and an equestrian show in the spirit of Madame de Pompadour.

Chez Bonnie in Versailles: a coffee shop and wine bar near the Palace

At Bonnie, the vibe carries through from morning coffee to an evening glass of wine without missing a beat. Just steps from the Château de Versailles and the Notre-Dame market, come by for a quick lunch, a coffee-and-pastry break, shared charcuterie and cheese boards, or simply a good glass with friends.

Mid-Autumn Festival 2026 at Jardin Yili: a Chinese night-time event in Yvelines

Yili Garden, France’s only traditional Chinese garden tucked away in the Yvelines, opens its lantern-lit paths for a Moon Festival evening. Tales, a tea ceremony, mooncakes, and a live concert will shape the night of September 26, 2026.

Science Festival 2026 in Port-Marly (Yvelines): a family-friendly program to discover.

The Science Festival makes its big return in 2026, running from October 2 to 12. To mark the occasion, a wide array of activities and workshops are being organized, notably in Port-Marly in the Yvelines department.

Hidden guinguette in the Chevreuse valley, Yvelines: Au Coin du Lavoir

We headed out to discover Au Coin du Lavoir, a charming guinguette by the Yvette river tucked away in the Chevreuse Valley, in Saint-Rémy-lès-Chevreuse (Yvelines). A lush terrace to enjoy before the season wraps up, at the end of September 2026.

A medieval festival featuring knights and artisans in Saint-Arnoult-en-Yvelines (78) scheduled for September 2026.

The Middle Ages come back to life in Saint-Arnoult-en-Yvelines (78)! On September 19 and 20, 2026, the Moulin Neuf and the Parc de l’Aleu will host a large, free medieval stroll as part of Heritage Days.

Free castles and museums in Yvelines this Sunday, September 6, 2026 — the first Sunday of the month.

Free museums and monuments in Yvelines open their doors on this first Sunday of the month: this Sunday, September 6, 2026, several cultural sites in the 78 can be visited at no cost. Here’s a quick rundown of the best deals to grab.

This vineyard in the heart of the Yvelines opens its doors for the 2026 Heritage Days.

Ready to raise a glass to heritage? European Heritage Days 2026 offer a weekend that’s as cultural as it is wine-focused, on September 19 and 20. Set your sights on the Yvelines, at Domaine de La Bouche du Roi, for a getaway among rows of vines, historical tales, and sips to savour!

Yvelines: free distribution of school supplies with no strings attached and free haircuts

Free school supplies, no questions asked, await families in Mantes-la-Ville (Yvelines), where the Ensemble association is holding its back-to-school distribution at Parc de la Vallée this Saturday, August 29, 2026. Between free haircuts and fun activities, it’s the go-to plan not to miss when money is tight—here’s everything you need to know.

A guinguette and a food truck await you in this lush park in Yvelines all summer long.

The Guinguette du Dispensaire and the Café des Écuries’ food truck are waiting for you at Parc du Dispensaire in Sartrouville (78) from June 3 to October 31, 2026: appetizer boards, Raimo ice cream, waffles and outdoor drinks are calling your name. We went to check it out and here’s everything you need to know.

This sprawling flea market, held only twice a year, returns this weekend in Yvelines.

More than 300 exhibitors are expected at this large flea market, a favorite with bargain-hunters in Yvelines. The event returns to the Montesson Carrefour car park on Sunday, August 9, 2026.

Science Festival in Saint-Cyr-l'École (78): what's in store for the 2026 edition?

At Saint-Cyr-l'École (78), the 2026 Fête de la Science invites people of all ages to explore the links between science, cooking, and our meals through a slate of events from October 2 to 12, 2026. The theme, "Smart Flavors," puts everyday experiments at the heart of the discussion.

Heritage Days 2026 at the André Derain House (78): the program

Let yourself be swept up by the color and the brushwork of the great masters for European Heritage Days! They invite you to step through doors you’ve never seen before, such as in Chambourcy, in the Yvelines, where the André Derain House-Museum opens its studio and reveals the flamboyant treasures of Fauvism and the 20th century.

Val de Seine leisure island: swimming is open daily in Yvelines

The Val de Seine leisure island reopens its supervised lake in Verneuil-sur-Seine, in the Yvelines. Swimming is now allowed daily until August 30, 2026, alongside the beach, pedal boats, mini-golf, and the nautical center.

Fan zones Spain-Argentina in the Yvelines: where to watch the final this Sunday?

Certain fan zones in Yvelines switch on their giant screens, but not all, for Spain-Argentina, the 2026 World Cup final to be played this Sunday, July 19, 2026: here's a rundown of the free spots confirmed in the 78.

Spain–Argentina in Yvelines: the guinguette-style fan zone in Mesnil-Saint-Denis (78) this Sunday

La Guinguette des Ateliers du Mesnil-Saint-Denis (78) relaunches its giant screen for Spain–Argentina, the 2026 World Cup final, this Sunday, July 19. Free-to-access fan zone.