Seine-et-Marne is lining up a weekend on October 10–11, 2026, with an autumnal mood, blending the final activities of the Fête de la Science, Chelles' Troc et Puces, the cider festival, and Halloween thrills in the 77.
The Seine-et-Marne region (77) is finally embracing autumn. After a last burst of warm weather earlier in the week, the coolness settles in for this weekend of October 10-11, 2026, and the urge to go out remains strong. We’ve gathered ten ideas spotted during our visits across the department, from Chelles to Fontainebleau.
It’s the final weekend to enjoy the Festival of Science, which wraps up on Monday, October 12: the free activities in Seine-et-Marne give kids a chance to try their hand at science, while bargain hunters head to Chelles for its Swap and Flea Market. Meanwhile, Beton-Bazoches is putting cider in the spotlight.
If rain is in the forecast, the Château de Fontainebleau offers a ready-made refuge with the exhibition Le panache des Lumières, devoted to Henri IV. And over in Marne-la-Vallée, the Festival Halloween de Disneyland Paris keeps giving thrills to both kids and adults until November 1.



Flea markets and garage sales in Seine-et-Marne this October 10–11, 2026 — 77
The flea markets and rummage sales in Seine-et-Marne (77) stay in full swing on October 10–11, 2026, featuring the Troc et Puces de Chelles, a cider festival in Beton-Bazoches, and about twenty pop-up sales from Coulommiers to Seine-Port. [Read more]



Troc et Puces de Chelles: More than 300 exhibitors this Sunday, October 11
Le Troc et Puces de Chelles returns to the Coudreaux district in Seine-et-Marne on Sunday, October 11, 2026, with more than 300 exhibitors, private individuals and professionals, for one of the East Île-de-France region’s premier autumn flea markets. [Read more]



Halloween 2026 at Disneyland Paris: shows, activities... the season’s lineup
At Disneyland Paris, Disney Villains set the tone for the Disney Halloween Festival, running from September 26 to November 1, 2026. Mickey's Cavalcade, meet-and-greets with characters, and celebrations until 11 p.m. on October 31 — here is the schedule and the new features of this edition. [Read more]



Dia de los Muertos and the Toussaint break in 2026 at Parrot World, the wildlife park in Crécy
For the All Saints’ Day holidays in 2026, Parrot World is celebrating Día de los Muertos with colorful scenery and activities suitable for the whole family. It’s a chance to discover this Mexican tradition while getting up close with the park’s animals. [Read more]



Cider Festival in Beton-Bazoches (77), a Sunday devoted to apples with tastings and a flea market.
La Fête du Cidre de Beton-Bazoches returns on Sunday, October 11, 2026 in Seine-et-Marne (77). In the village streets, this autumn celebration highlights the apple and its transformation around a monumental press dating back to 1850, featuring the pressing of fresh juice, tastings, demonstrations of traditional crafts, and a grand flea market. [Read more]



The Plant Days and Garden Art event settles into the grounds of the Château de Ferrières park (77).
For its 10th autumn edition, the Journées des Plantes et Art du Jardin shifts to a prestigious new setting on October 10–11, 2026: the Château de Ferrières in Seine-et-Marne. In the historic 132-hectare park, around a hundred exhibitors, nurserymen and designers will gather to celebrate plants and artisanal crafts, through hands-on workshops, talks and guided tours. [Read more]



Brie Happy 2026: free activities and cheese tastings in Meaux (77)
Love cheese, especially Brie de Meaux? In Seine-et-Marne, treat yourself to a gourmet weekend filled with activities and free tastings in the episcopal city of Meaux, on October 10–11, 2026. [Read more]



The Panache of the Enlightenment: Henri IV Exhibition at Fontainebleau Castle
The Château de Fontainebleau is dedicating a new exhibition, “The Panache of the Enlightenment,” to the figure of Henry IV revived under Louis XVI, to be on view from 19 September 2026 to 25 January 2027 in Seine-et-Marne. Here’s everything you need to know. [Read more]



Science Festival 2026: what’s on at the National School of Bridges and Roads (77)
To mark the 2026 Science Festival, the National School of Bridges and Roads, based in the Seine-et-Marne department, is hosting a wide range of science workshops. [Read more]



Science Festival 2026: the program in Moissy-Cramayel (77)
The Science Festival is making a triumphant return with a new edition, taking place from October 2 to 12, 2026. In Moissy-Cramayel, a number of activities are on the agenda, including at the town’s media library and game center. [Read more]



Science Festival 2026: Free activities and events in Seine-et-Marne
From October 2 to 12, 2026, a major science event is taking over Paris and the Île-de-France region: the Science Festival, which offers a wealth of activities, debates, and lectures... [Read more]



Where to eat in Fontainebleau (77)? Our favorite restaurants
Looking for a good restaurant in Fontainebleau? Head to the royal city of Seine-et-Marne (77) for some wonderful culinary discoveries. From new bistros to Michelin-starred restaurants, these are the ideal places for a gourmet experience, whether you're a local, on a getaway, or visiting the Château de Fontainebleau. [Read more]



Where to eat in Seine-et-Marne? Our best restaurant addresses in 77
Looking for a good restaurant in Seine-et-Marne? Good news: the 77 département has plenty to offer, so check out our top addresses! [Read more]



The most beautiful villages in Seine-et-Marne, 12 gems you simply must discover
Are you familiar with Seine-et-Marne? This large department hides real gems to discover, with picturesque villages boasting charm and heritage that are well worth a visit. Looking for a stroll near Paris? Seine-et-Marne offers an ideal escape for those seeking authenticity and history. [Read more]



What to do in Seine-et-Marne (77)? Heritage, good addresses and activities, ideas for outings
Would you like to conquer the heritage of the Île-de-France region? We'll take you on a tour of places to visit and things to do in Seine-et-Marne. [Read more]



Where to stay in Fontainebleau in Seine-et-Marne (77)? Hotels, bed and breakfasts, and campsites
Fancy a getaway, a stay or a weekend in Fontainebleau? From historic hotels to charming bed and breakfasts and affordable campsites, here are the best places to stay in this town in Seine-et-Marne (77). [Read more]
Before hitting the road, a quick weather check is essential: rain and real autumn chill are forecast through Sunday, October 11. The same goes for transport disruptions, with RER and Transilien works planned all week. To extend your getaway, our guide on what to do in Seine-et-Marne gathers year‑round spots to explore.
This page may contain AI-assisted elements, more information here.
Dates and Opening Time
From October 10, 2026 to October 11, 2026
Location
Department of Seine et Marne
seine et marne
Route planner















