Condécourt walks

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

A water-themed hike: from the meanders of the Aubette to the springs that enliven the Vexin region.

A circular route which, on the outward journey, follows theGR®1from Vaux-sur-Seine to Triel-sur-Seine. On the return journey, the route passes through Chanteloup-les-Vignes. Overall, the route circles the Forêt de l'Hautil.

A circular route which, on the outward journey, follows theGR®1from Vaux-sur-Seine to Sagy. The route passes very close to the Châteaux de Villette and Vaux. Before reaching the finish, the route runs alongside the Seine for a few hundred metres.

A lovely walk along the banks of the Seine, passing through pretty villages such as Evecquemont. The starting point and finishing point are two stations on the same SNCF line.

A long hike from station to station, alternating between the banks of the Seine, forests, fields, towns and villages, offering numerous views of the Seine and the French Vexin. The route, dotted with historical landmarks, also serves as a reminder that heavy fighting took place in the region in August 1944.

A loop starting from Vigny via Théméricourt and Avernes.

A circular route in the French Vexin, mainly through fields. Starting from the church in Vigny, the route passes through the villages of Sagy and Longuesse, each with their own church.

A long hike from station to station that veers away from the Seine Valley (which is not particularly suitable for hiking in this area) and climbs to higher ground. The route alternates between wooded sections and stretches through fields with sweeping views. There is a wealth of heritage to discover, with two beautiful Romanesque churches in the first part and, towards the end and as a grand finale, the Gothic Collegiate Church of Mantes-la-Jolie.

This walk can be started from Meulan-Hardricourt station and follows marked paths for a good part of the way, even if they are not always easy to identify, particularly the access tothe GR® 2. During this walk, you can see the church of Hardricourt, pass through fields, see La Défense, enjoy the undergrowth, admire the pretty village of Mézy-sur-Seine and, if you are feeling adventurous, dip your feet in the water (in summer) and enjoy the banks of the Seine. Please note that in cold weather, some sections of the forest may be muddy and difficult to walk on.

Half urban, half rural route to discover old Meulan-en-Yvelines and the views over the Aubette and Seine valleys.

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.

This walk will take you along streams and through countryside, valleys and paths to discover the heritage of three charming villages. Beautiful views are also on the menu for this walk.

The walk begins with a very varied section of the GRP® "la Seine impressionniste", starting with the imposing ESA Ariane rocket factory and its loading dock, a charming marina, the Île de loisir du Val de Seine, and several very large ponds. It continues through Triel-sur-Seine, with its pleasant Parc Senet and the architecturally intricate St Martin’s Church. The walk through the Bois d’Hautil along easy yet unspoilt paths is well worth the detour for its chestnut forests dotted with a few fine oaks, and punctuated by a large number of sinkholes resulting from the collapse of underground quarries. And we finish off gently, admiring the confluence of the Oise and the Seine. ⚠️ User comment on 18 May 2026:>Please note: at point 8, the path is closed in both directions due to reported risks of collapse; instead, take the GR®2 further down to cross from east to west

Starting from the banks of the Seine opposite Île Verte, walk up the narrow streets and paths to Villa Paul Poiret.

This mainly forest hike will take you to the Galluis Regional Forest, then on to the village of Frémainville, where you will discover some interesting heritage sites. It is best to do this walk during the dry season.

A loop starting from the National Scout Centre in Jambville. The very hilly route is marked in yellow.

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.

A hike in the heart of the Vexin Regional Nature Park.

A walk through the woods and plains of the French Vexin, to admire the banks of the Seine and Île Verte.

This is a route for walkers who enjoy charming, forgotten little paths that make you forget you’re only 50 km from Paris; however, the route is sometimes unclear, requiring careful attention (Visorando app recommended). These paths are not always regularly maintained: bare legs are not recommended.

At the southern edge of the French Vexin, a loop that starts along the Montcient river, with the old Moulin Brûlé, and then alternates between ascents and descents in the woods or between fields.

In the southern French Vexin region, this circuit takes you through fields and woods, playing leapfrog with the River Montcient. The Cave aux Fées, a covered passage dating from 2500 BC, bears witness to ancient human occupation. A dovecote, an old water mill and several wash houses are also worth seeing.

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 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.

Hike through the fields and woods near Oinville-sur-Montcient. There are a few hills during this walk.

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 hike from station to station which, with a few climbs, leads from the Seine valley to the Oise valley. After the streets, alleys and paths of Triel-sur-Seine and Chanteloup-les-Vignes, you cross the Hautil Forest in a very pleasant way. Three beautiful churches and two beautiful farmhouses are to be discovered along the way.

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

This walk through the old streets of Verneuil, its parks and gardens is not difficult. The walk continues through the forest and along some of its varied paths. End of the urban route, nice little shops, cheese shop, bakery, etc. Finally, a gently sloping path leads to the station.

This route is a circular route that will take you to Saint-Martin Church in Triel-sur-Seine, the castle and church in Vaux-sur-Seine, and Verneuil-sur-Seine Castle. The climb up to the heights of Triel offers panoramic views over part of the valley. For the first few kilometres, you’ll follow the GR®1 (a 570 km circular route around Paris) before returning via the GR® de Pays “La Seine Impressionniste” and the Verneuil-sur-Seine leisure centre.

This walk, which initially follows the Seine to Villennes, will allow you to see many different aspects of the riverbanks and the surrounding area. You will then take the town’s narrow streets, before heading back down through the woods and fields to Verneuil.

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

This circular walk takes you on a journey of discovery through the four vineyards of Jouy-le-Moutier. You will learn about the past activities of this hillside with its old limestone quarries, the former CGB railway line that linked Pontoise to Poissy, the Jouy-le-Moutier menhir and two wash houses.

A short walk, where heritage sites (churches, wash houses, covered walkway) alternate with a path along the Oise river.

The route follows the Avenue Verte (Paris-London cycle route) from Jouy-le-Moutier to Vauréal. After crossing the Oise at the major axis, it returns via the Cergy ponds and the towpath to the Pont de Neuville bridge.

Set off to explore the three megaliths listed as historic monuments on the circular Oise route: two menhirs and a covered passageway, as well as the banks of the Oise, a pond, woods, a wash house, two wells, a fountain, the Axe Majeur and scenic viewpoints.

This walk takes you past numerous wash houses fed by springs located on the circular Oise in the municipalities of Jouy-le-Moutier, Vauréal and Cergy. Along the way, you will discover the Jouy-le-Moutier municipal park known as "Parc Raclet", the Rue des Blanchards and its curiosities, the old railway line that linked Pontoise to Poissy, the Axe Majeur, Gérard Philippe's house and the Cergy ponds leisure centre.

A walk around Juziers that allows you to discover its heritage, a panoramic view of the valley and a pleasant return trip along a towpath on the banks of the Seine.

Circular route from Juziers station, alternating between farmland and forests. Several interesting churches (unfortunately often closed), beautiful wash houses, a fountain with its statue still intact. And of course, the beautiful covered walkway of the Mare aux Fées, which is well worth a detour.

During this varied, hilly hike, you will discover three small villages as you stroll along narrow streets and paths. You will walk along a few hillside and woodland trails, discover beautiful viewpoints and stroll along the Seine on your return.

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.

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

The banks of the Seine and the hillsides in Triel-sur-Seine

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.

A circular starting from Maurecourt cemetery, passing through the Berthe Morisot trail, the Château du Fay, the Écancourt farm, the Bois de Jouy and returning to Maurecourt along the old railway line.

A pleasant walk starting from the top of Andrésy towards Maurecourt and Jouy-le-Moutier along country lanes.

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).

This walk will first take you on a journey of discovery through the heritage of this district of Aubergenville and Épône, a pioneering holiday resort established in the 1920s. On the way back, you’ll follow the Mauldre and Giboin rivers to reach the ‘beach’.

A lovely, flat route to enjoy at a leisurely pace along the banks of the Oise, with a section high up behind the Pays de Maurecourt offering magnificent views of the Oise. This region is even more beautiful when viewed from the footpaths.

An easy loop around Commeny via Le Perchay and the Chaussée Jules César.

The French Vexin region has numerous megalithic sites dating from the late third millennium B.C. This walk gives you the chance to visit a dolmen in a perfect state of preservation. As you stroll through the fields and woods, you will also be able to see some lovely churches and castles.

Narrow paths, steep trails. Explore the picturesque paths and trails of the town of Andrésy. It's a different way to discover the charm of Andrésy, between town, countryside and the banks of the Seine.

Do you enjoy walking? Here is the ideal hike that will take you on a route full of surprises! Between town, countryside and forest, discover Andrésy as you've never seen it before: a town in its natural state!

What could be more relaxing than discovering the architectural, historical and natural heritage whilst strolling along the Seine... A route suitable for everyone, young and old, which will take you from the Fin-d’Oise district, the historic heart of the river trade, to the Denouval district, passing by the main monuments in the city centre.

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.

The first part of the circuit from Bures to Chapet passes through fields along farm tracks, then crosses Chapet and reaches the hamlet of Brezolles, before returning through the woods

Starting from the old village of Aubergenville, you’ll soon be walking through woods and fields towards remote hamlets. You’ll then pass through the Parc d’Acosta estate, built in 1962 amidst lush vegetation, before returning to the old village and the final sights of the walk.

Whilst the Morval Departmental Forest is well known to walkers, the village of Banthelu lies off the usual routes. But this little village is well worth a detour, if only for its history, as is Cléry-en-Vexin, which you also pass through before discovering the covered walkway of Bois Couturier.

Discover three pretty villages in the French Vexin region with beautiful churches, a stunning castle and varied landscapes of fields, sunny hillsides and even pine forests.

The walk takes you through a string of pretty villages, each with its own church boasting distinctive architecture and, for the most part, also home to a castle, the most remarkable of which are those at Guiry-en-Vexin, Théméricourt and Viry. There are also several museums along the route: the Archaeological Museum, the Tools Museum, the Harvest Museum and the Maison du Parc.It is also an opportunity to admire the open landscapes of this very hilly French Vexin region, where fields, meadows and forests intermingle. The calcareous meadows are particularly striking in spring due to the abundance of flowers found there.