The Yvelines region never really takes a break, and this weekend of September 12-13, 2026 only confirms it. In our wanderings across the 78, from Versailles to the Chevreuse valley and through Saint-Germain-en-Laye, we spotted plenty to keep everyone entertained: fall flea markets, castles and museums to visit, gourmand patio spots by the water, and wide-open spaces to breathe.
Across royal estates, charming villages, and the banks of the Seine, the Yvelines never lacks opportunities to get out and about. To plan your escape, our guide to what to do in Yvelines gathers the finest addresses to explore year-round.
Before you head out, a quick heads-up: several RER, Transilien, and metro lines will be impacted by ongoing works, as outlined in our roundup of transport disruptions for September 7–13, 2026. Also note that the RER D will be cut in Île-de-France on September 12–13, 2026, which may require adjusting certain journeys.
On the weather front, Météo-France is forecasting a pronounced cool spell across Île-de-France this week, with showers making a comeback. Pack a windbreaker and plan a few indoor options (museums, castles) to dodge any rain surprises.
Flea markets and garage sales in Hauts-de-Seine on September 12–13, 2026 - 92
Eight flea markets and garage sales are taking over Hauts-de-Seine (92) this weekend of September 12–13, 2026, stretching from Gennevilliers to Boulogne-Billancourt via Colombes and Sceaux. [Read more]
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. [Read more]
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. [Read more]
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. [Read more]
Dynamik Parc, the multi-activity park in the Yvelines that’s going to blow you away
Installed quietly this summer at the heart of the Saint-Quentin-en-Yvelines Leisure Island, Dynamik Parc unveils a unique, multi-activity park dedicated to sport and recreation. Electric Drift Kart, Laser Tag, Bubble Foot, Archery Game, Big Football, VR, Hado, and other self-guided experiences are on the menu for those eager to discover. [Read more]
Grandes Eaux Nocturnes 2026 at the Palace of Versailles: installations, illuminated fountains and fireworks!
The Grandes Eaux Nocturnes invite you to join us in the summer of 2026. On the program: a sublime evening stroll through the heart of the gardens of the Château de Versailles to admire the illuminated fountains, capped by a spectacular fireworks display. Discover them on Saturday evenings from June 6 to September 19, 2026. [Read more]
Protocol Z: The terrifying escape game in the old crypt beneath Thoiry Castle (Yvelines 78)
Venture into the bowels of Thoiry Castle and try to thwart a zombie invasion, in the heart of the family crypt, where creatures that are no longer human prowl, in an escape game that will demand real courage. [Read more]
La Villa Savoye turns into a pop-up club for a free electro night in Île-de-France
Craving an original night out near Paris? Head to Poissy, where the Villa Savoye becomes an avant-garde dance floor for one evening, with a 100% free lineup. [Read more]
The Royal Chapel of the Palace of Versailles and its sacristies on an exceptional visit this summer, 2026
This summer, the Palace of Versailles will offer an exceptional opening of the Royal Chapel from July 7 to September 27, 2026. A chance to admire its nave, its painted ceiling, its sacristies, its stone marquetry, and many other beauties! [Read more]
Azimut: the immersive restaurant where you can dine face-to-face with Arctic wolves at Thoiry Safari Park
Thoiry Safari Park unveils Azimut, its wild and gourmet restaurant, to the public every evening for dinner. As the park shuts its gates, guests settle in to savour refined, seasonal cuisine, with a panoramic, privileged view of the Arctic wolf pack. [Read more]
Heritage Days 2026: a fantastic program to discover in Yvelines (78)
There’s plenty to do for Heritage Days 2026 in Yvelines! On Saturday, September 19 and Sunday, September 20, 2026, head to the numerous castles and museums in the 78 that will open their doors for guided tours, workshops, and memorable moments to share. [Read more]
Where to dine in Yvelines? Top restaurant picks in the 78, tried and trusted
There's no shortage of good places to eat in the Yvelines. If you'd like to discover the best restaurants in the 78 department, here we go! [Read more]
Where to stay in Yvelines? Hotels, bed and breakfasts, and campsites in the 78 department.
The Yvelines, with its lush green landscapes and rich heritage, offers the ideal break just a few kilometers from Paris. Whether you're looking for a bucolic setting, a warm atmosphere or immersion in the heart of nature, there are several options available to visitors in search of escape. [Read more]
Ten offbeat parks and gardens in Yvelines, treasures to discover
What if we set off on a stroll to discover the loveliest original parks and gardens in Yvelines? From hidden, unique, historic spots to outright quirky or simply one-of-a-kind places, the 78 has no shortage of unusual gems for anyone looking to stray off the beaten path. We’re unveiling 10 parks, gardens, and green spaces to explore in the department. [Read more]
Where to have a good brunch in the Yvelines? Our top picks in the 78
Whether you live in the Yvelines or are just passing through, discover our top brunch spots in the 78. [Read more]
Where to have a good brunch in Versailles in the Yvelines? Our top picks in the 78
Looking for a good brunch in Versailles? Discover our top picks in the royal city of Yvelines, including artisan coffee shops, all-you-can-eat options, and family-friendly spots! [Read more]
What to do in Yvelines (78)? Heritage, good addresses and activities, ideas for outings
Want to get to know Paris Region better? This time, we're taking you to the Yvelines to discover its heritage, places to visit, must-do activities and the best deals of the moment. From castles to walks and good addresses, here's what's in store for you in the 78 département. [Read more]
Glorious Escape Game in Vélizy, the go-to spot for fun with friends or family in the Yvelines
Glorious Escape Game, based in Vélizy-Villacoublay (Yvelines), offers nine escape rooms: The Emperor's Heritage, Django, Asylum, Lost, The Anubis Stone, The Haunted House, Walking Dead, The Relics of Death and Pirate: The Talisman of Eternal Life. [Read more]
The most beautiful villages in the Yvelines, 7 must-see nuggets
Looking for a change of scenery less than an hour from Paris? The Yvelines (78) region is brimming with charming villages full of character. From Rochefort-en-Yvelines to Montfort l'Amaury, discover 7 Yvelines nuggets combining historic heritage and bucolic surroundings, all year round. [Read more]
Do remember to double-check opening hours before you head out, as some venues are still adjusting their entry policies this summer.
Enjoy your weekend in the Yvelines!
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Recommended age
For all
