Grisy-les-Plâtres walks

A varied hike through woods and fields with two beautiful churches in Bréançon and Le Heaulme. Lovely views over vast fields of green wheat, dotted here and there with red poppies. It's a shame there's a bit too much road.

A mountain bike ride of around 25km, passing through fields, woods and pretty villages along the Viosne and Couleuvre rivers (Santeuil, Brignancourt, Le Perchay, Ableiges). A lovely spot for a break halfway along the route at the Étang de la Vallière for a picnic. No major difficulties to speak of, apart from a short path through the woods near Santeuil and a return route via the road from Ableiges to Cormeilles (though other options are available).

A route through the Vexin region starting from the charming Saint-Martin Church in Vallangoujard. The first half is shaded, beginning alongside streams and ponds. The second half is in open countryside, amongst the fields.

A very pleasant walk that begins along the surrounding wall of a castle beautifully set in its grounds. The walk takes you through the hamlet of Héréville with its beautiful houses and charming tranquillity. Although the route ends on a road, it is very quiet and the narrowness of the road forces cars to drive at a speed that makes them very tolerable.

The route follows theGR®1from Livilliers to Bréançon. On both the outward and return journeys, the walk passes through two villages in the Vexin region: Épiais-Rhus and Grisy-les-Plâtres. Before returning to Livilliers, the route leads to the Chapelle de Gérocourt in the commune of Génicourt.

Discover three villages in the Vexin region, with their splendid architecture.

Come and explore the paths and forests on a circular hike that starts in Marines and passes through Neuilly-en-Vexin, Chavençon, Les Buttes du Rosne, Le Heaulme and Le Rosnel.

Between town and countryside, this walk is mainly marked by yellow PR® markers.

A hike on the slopes of both banks of the Viosne, alternating between cultivated fields, woodland and charming villages. For about 3 kilometres, the route follows the course of an ancient Roman road, the Chaussée Jules César. There is a rich heritage to discover along the way: mills, a castle, churches, crosses, wash houses and beautiful houses.

A pleasant walk starting from Boissy-l'Aillerie station, through the wooded and grain-growing areas of the Vexin plateau.

Hike around the villages of the French Vexin in the Sausseron valley, discovering castles and manor houses.

Circular walk starting from Labbeville via the hillside above the Sausseron valley.

A circular route which, on the outward journey, follows theGR®1from Us to Bréançon via Marines, a village in the Vexin region. The return to Us allows you to explore Cormeilles-en-Vexin and cross the Viosne, a tributary of the Oise, once again.

Alternating between cultivated fields and forest edges, this hike follows the Viosne River. For a little over 2 km, the route follows the route of an ancient Roman road, the Chaussée Jules César.

A 6 km circular route offering a chance to discover a different side of Ennery, on its border with Pontoise.

The hike begins in front of Osny Town Hall in the beautiful setting of Château Grouchy and its park bordered by a pond. The walk heads north-west to the town of Boissy-l'Aillerie, returning south and then east to the starting point via Grouchy Park. Much of the route is away from roads with motor traffic.

A beautiful hike through fields to enjoy the autumn sunshine.

A short circular walk starting from Arronville. You will pass through Hérévile and cross the Sausseron twice.

On the Vexin plateau, discover Château Molle and the Cavée du Lay. 360° views over the Vexin plateaus.

This hike through woods and fields offers beautiful views of the Viosne Valley, a small river that flows through the Vexin Français from north to south, with interesting heritage in the village of Brignancourt and a possible stop at the edge of a beautiful pond.

Pass through beautiful traditional villages, across fields and woods, via the Étang and Moulin de Vallières, ending along the Viosne.

From a quiet little village, the path climbs and winds around Les Buttes de Rosne, the highest point in Île-de-France. Shaded and easy, this family-friendly route, which passes through vast chestnut groves rich in flora and fauna, will delight young and old alike.

This lovely walk takes you to a Neolithic menhir called the Pierre Frite, then to a small, well-preserved castle set in lush green surroundings. Beautiful rolling landscapes can be enjoyed throughout this hike.

This is a very pleasant walk through a varied forest, often along the edge between fields and woods. You will discover superb panoramic views of the Vexin region. Crossing Chavençon, a small village lost in the countryside, is a very enjoyable experience.

An easy and varied walk between Vexin and Picardy. The paths are very easy to follow and there are very few roads to cross. The walk starts in Cresnes, a small, quiet hamlet.

The route follows roads, but these are very quiet and offer beautiful scenery of the region around Haravillier. Return via theGR®11. This hike is recommended when the paths are muddy or impassable and/or when hunters have taken over the walking areas.

A very bucolic walk in the heights of the French Vexin, passing close to the highest point in the Ile-de-France region. A beautiful forest to cross until you reach the house that was once inhabited by Sarah Bernhardt. Return through the fields across a beautiful landscape at the edge of Picardy.

A circular route through five villages in the Vexin Regional Park, partly following the old Valmondois Marines railway line, a secondary line that closed in the 1950s but whose old stations are still visible.

A beautiful walk in the French Vexin Regional Nature Park and the Sausseron Valley

The circuit starts by taking you along the Sausseron valley, then climbs up the hillside and continues through fields. You return to Nesles via paths through the woods. The circuit also allows you to discover a unique site called the Trou à Morts.

A circular starting from Hédouville takes you through Hodan, Messelan and Frouville.

This route is rich in history and allows you to discover the heritage of Pontoise and its little-known paths.

A walk starting from the new town of Cergy will take you past the circular bends of the Oise, the Cergy leisure centre and its ponds, and the old villages of Vauréal, Jouy-le-Moutier and Neuville-sur-Oise in the Val d'Oise. You will arrive in the Yvelines at Conflans-Sainte-Honorine, the capital of inland waterway transport at the confluence of the Seine and the Oise.

This is the eighth stage of the Grand Tour de l'Île-de-France on the GR®11, starting from Chars station in the Val d'Oise and heading towards Bornel-Belle-Église station in the Oise, through the north-eastern part of the French Vexin and the borders of the Pays de Thelle. This stage is unique in that it runs along the border between the Val d'Oise and Oise departments, with roughly 50% of the route on each side. The proposed itinerary passes through the Buttes de Rosne, the highest natural point in Île-de-France, although it deviates slightly from the GR® for this.

A pleasant and varied hike in the heart of the French Vexin. The route begins with a circular route north of Chars, between fields, meadows and small woods. After the beautiful church of Chars, there are alternating ascents and descents on the slopes of the south bank of the Viosne. The church and old mill in Brignancourt are a heritage stop before heading up the right bank of the Viosne along the edge of a wetland.

Walk starting from Chars SNCF station passing the Château de Saint-Cyr-sur-Chars. On the way back to Chars there is a narrow pedestrian passage that starts with a staircase.

A hike from station to station with the Oise as the guiding thread. You will cross several wooded parks and follow the river for a long time, mostly on a right of way. At the end of the route, the passage through Auvers-sur-Oise is an opportunity to evoke the famous painter Vincent Van Gogh.

A walk from station to station, following the river. After skirting the Oise to Port Cergy, the route joins the Île de Loisirs de Cergy, then takes the Axe Majeur to reach the old Pontoise–Poissy railway line. After the confluence, it follows the Seine along the quays of Conflans-Sainte-Honorine, following part of the discovery trail, before reaching the station.

In 1971, the Grateful Dead were unable to perform their concert due to rain in Auvers-sur-Oise. Michel Magne, the brilliant and whimsical musician, invited them to Hérouville Castle. So get your playlist ready, featuring film scores or experimental music by Michel Magne, composer of, amongst others, *Les Tontons Flingueurs*, *Fantomas*, *Tout le monde il est beau* and *Tout le monde il est gentil*. You’ll also find tracks recorded at this venue, described by David Bowie to Iggy Pop as the world’s greatest recording studio at the time. It saw the creation of three of Elton John’s best albums, two Bowie albums, the Bee Gees’ massive hit Saturday Night Fever, as well as albums by Johnny Hallyday, Jacques Higelin and many others – all on their way to the Château d’Hérouville. Let’s rock.

A circular route for a day's hike. Starting from Sagy, you will pass through Saillancourt, Villette, Condécourt, Longuesse and Vigny.