The Seine-et-Marne is rolling out a string of great outing ideas for this weekend of September 19-20, 2026. In the course of our visits in the 77, from Fontainebleau to Meaux via Provins and Vaux-le-Vicomte, we’ve spotted enough to keep you busy for two days without straying far from Paris: castles, flea markets, festivals and nature walks.
From charming villages to grand estates and museums, the department never runs out of reasons to get out. To plan your getaway, our guide on que faire en Seine-et-Marne highlights the best addresses to discover all year round.
Before you head out, a quick check is in order: several RER, Transilien and metro lines will be affected by maintenance work, as detailed in our transit disruptions update for 19 et 20 septembre 2026. On the weather front, the météo forecasts a noticeable cool-down across Île-de-France this week. It’s smart to slip a windbreaker into your bag and keep a few sheltered options handy (museums, castles) in case of a shower.
Heritage Days 2026: must-see tours in Seine-et-Marne
Heritage Days 2026 in Seine-et-Marne promise captivating outings. From September 19 to 20, 2026, castles, museums and historic monuments will open their doors. Let’s dive into the treasures of this department with a thousand facets. [Read more]
Flea markets and garage sales this weekend in Essonne, September 19–20, 2026 — 91
Seven flea markets and rummage sales are lighting up Essonne (91) this weekend of September 19–20, 2026, from Paray-Vieille-Poste to Monnerville, via Vigneux-sur-Seine. [Read more]
Free medieval festival in Seine-et-Marne centered on a keep for Heritage Days
The Crouy-sur-Ourcq medieval festival, in Seine-et-Marne, is returning for a fourth, free edition centered on the Houssoy keep. The Médiévales du Houssoy will transport the village back to the Middle Ages on September 19–20, 2026. [Read more]
Heritage Days 2026 at the castles of Seine-et-Marne (77)
The European Heritage Days invite us to discover castles. In Seine-et-Marne, a wonderful lineup awaits you at these royal residences: explore top outing ideas for the weekend of September 19–20, 2026. [Read more]
A grand vehicle parade to thank Fontainebleau's firefighters for tackling the town’s fires
On September 18 and 19, 2026, residents of Fontainebleau will have the chance to thank and salute the city’s firefighters and emergency services during a tribute and a vehicle parade. [Read more]
Heritage Days 2026: Discover the Japanese Gardens of Favières in Seine-et-Marne
The Japanese Gardens site in Favières, Seine-et-Marne, will, for one weekend only, open its doors on September 19–20, 2026, to mark the 43rd Heritage Days. [Read more]
Journées du Patrimoine 2026 : exploring the Keep of Moret, the former royal residence
For the 2026 Heritage Days in Seine-et-Marne, discover the Keep at Moret-sur-Loing. A medieval and unusual retreat just a stone's throw from Paris, nestled in a former royal residence. [Read more]
Candlelit evenings at the Château de Vaux-le-Vicomte 2026: a magical stroll and fireworks
Candlelit evenings at the Château de Vaux-le-Vicomte promise a magical moment to share with loved ones. The program includes a nighttime tour by the glow of 2,000 candles, water games, a romantic stroll through the gardens set to Baroque music, and even fireworks if conditions permit! An exceptional experience running from May 16 to September 26, 2026. [Read more]
Pick-your-own spots in Île-de-France where you can harvest your own fruit, vegetables, and flowers
Why not make the most of sunny days returning by picking your own fruit, vegetables, and flowers at the pick-your-own spots around Île-de-France? [Read more]
Miss France 2027 : watch the Miss Île-de-France election as the region’s new Miss is crowned in Dammarie-les-Lys
This Sunday, September 20, 2026, come witness the crowning of the new Miss Île-de-France and find out who will succeed Mareva Michel to represent the region later this year at Miss France 2027. [Read more]
Where to dine in the 92? Our top restaurant picks in the Hauts-de-Seine area
Looking for a great place to dine in the Hauts-de-Seine department? From hidden neighborhood gems to restaurants run by renowned chefs, here are the must-visit spots in the 92. [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]
In short, why not head out to Seine-et-Marne this weekend?
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Dates and Opening Time
From September 19, 2026 to September 20, 2026
Location
Department of Seine et Marne
seine et marne
Route planner
