Terres de Seine

In Terres de Seine, there's no shortage of historical and cultural sights on either side of the Seine. Step back in time as you visit castles, museums and collegiate churches!

The Romanesque-Gothic collegiate church of Notre-Dame de Poissy, in the historic heart of the town, tells the story of the baptism of King Louis IX, the future Saint-Louis, in 1214. In Mantes-la-Jolie, the collegiate church of Notre-Dame, "little sister of Notre-Dame de Paris", impresses with its rose window in the main portal, one of the oldest in France!

Historic estates such as Château de Vaux-sur-Seine, nestled in the Parc naturel régional du Vexin français, are also worth a visit, as is Château de Médan, a former hunting lodge under Henri IV, which has also played host to poets and writers.

Let yourself fall back into childhood at the Musée du Jouet in Poissy, or retrace Mantes-la-Jolie's medieval past at the Musée de l'Hôtel Dieu, on the route of the Impressionists! The Villa Savoye, a UNESCO World Heritage Site, invites visitors to immerse themselves in the distinctive architecture of Le Corbusier.

With nature everywhere, it's hard to believe that the "Terre de Seine" region is only 40 minutes from Paris! Whether you're on the left or right bank of the Seine, you'll find the perfect place to recharge your batteries. Whether you're a hiker, cyclist or horseback rider, there's a trail to suit every taste and level.

You won't want to miss the Parc Naturel Régional du Vexin Français, where the forest offers a landscape with a thousand and one facets, between limestone rock, marshes, hillsides and woodland! To the west of the region, the Rosny-sur-Seine forest offers a chance to recharge your batteries and discover a rich historical heritage, such as the Kiosque de Rosny, a vestige of the 1900 Universal Exhibition, offering a magnificent view over the Seine valley.

The Île Aumône nature reserve and ornithological park offers an opportunity to discover a preserved flora and fauna. Free-roaming animals, including Camargue horses and Scottish highland cows, maintain the untouched part of the island.

From Conflans-Sainte-Honorine at the gateway to the capital all the way to Mousseaux-sur-Seine towards Normandy, the Seine runs through the region like a common thread. In this way, the Seine and its tributaries serve as guides for your excursions – whether on foot, by bike, or even on the water!

Switch riverbanks as often as you like and follow the river’s meanders, setting off from the many towns and villages along its banks. For a truly special experience, leave the shore behind and spend a night on the water! In Terres de Seine, all paths really do lead to the Seine.

In Andrésy, the Île de Nancy awaits you as a wonderful green oasis right at the edge of the city. From May to September, a small ferry will take you to the island, where you can enjoy a genuine nature experience while exploring the forest trails.

In Terres de Seine, the presence of water is important, and so is all the river-related activity that revolves around it! If you'd like to find out more about the region's water-related history, take a trip to the Musée de la Batellerie et des voies navigables in Conflans-Sainte-Honorine.

The capital of inland waterway transport, this museum immerses visitors in the world of the sailor, from the transport of goods to the various traction techniques that revolutionized the world of inland waterway transport. Featuring models and precious works of art, the museum's collections are among the largest and most varied in the field.

Looking for a family outing in the great outdoors? Here are some ideas for a family-friendly holiday in Terres de Seine. It's a great way to bring the whole family closer together, although there's no reason why you can't also invite your friends to join in.

A great opportunity to create shared memories, to get away from it all and to enjoy nature. Enjoy the simple joys of hiking, where all the senses are constantly stimulated. I promise you, the word "stress" will be forgotten during these few hours of freedom! Come on, choose your itinerary, suitable for the whole family, and let the adventure begin!