Les Clayes-sous-Bois walks

A short walk on either side of the Ru de Gally, with beautiful views of the plain and the Palace of Versailles and a rich heritage in the charming village of Rennemoulin.

A short walk along the streams of the Plaine de Versailles, including the Ru de Gally, which has its source in the castle grounds. The charming village of Rennemoulin boasts a chapel, a wash house and an old bridge, while the Fontaine de Maltoute fountain offers a pleasant, shaded spot to stop for a break. Unacceptable behaviour has been observed; see the warning in the practical information section.

The Étang de Saint-Quentin, an artificial lake covering an area of approximately 150 hectares, is located in the municipalities of Trappes and Montigny-le-Bretonneux (Pas-du-lac district), within the new town of Saint-Quentin-en-Yvelines. It is part of a large leisure and outdoor recreation centre covering a total area of 600 hectares. Various leisure activities can be enjoyed there. It serves as a wintering ground for many migratory birds. More than 230 species of birds inhabit the 90 hectares of the reserve.

Short hike in the Île-de-France region, from Élancourt Village to the Courance de Maurepas pond. The outward journey follows the left bank of the Ru d'Elancourt, the return journey follows the right bank. The first part (from (S) to (3)) can no longer be done. The entire Elancourt hill (la Revanche) is under construction in preparation for the Olympic Games and is therefore closed to hiking. This will remain the case until 2025... See reviews

A short walk through the woods will take you to Saint-Pierre-de-Plaisir Church and Plaisir Castle.

PLEASE NOTE THAT IT WILL NO LONGER BE POSSIBLE TO DO THIS ROUTE FROM SEPTEMBER 2022 DUE TO THE DEVELOPMENT OF THE HILL FOR THE 2024 OLYMPIC GAMES. This route passes by many interesting sites and places: an old church, a lake, viewpoints and, in particular, La Revanche hill, the highest point in the Île-de-France region. It is advisable to do this route on a clear day if possible, so that you can enjoy the view of the entire region to the full.

The upstream part of this series of three hikes devoted to the Bièvre river. A very pleasant walk along the river and its bodies of water, in a mostly rural setting. A hike from station to station, which can be used to adjust the length depending on the weather conditions or desires of the hikers.

A varied hike, with a beautiful wooded route in the western part of the Forest of Marly and a stroll through the village of Feucherolles. A hike with two loops, lending itself to several variations, such as limiting yourself to the 7.5 km forest loop.

The Forest of Marly covers 2,000 hectares about twenty kilometres west of Paris, between Saint-Germain-en-Laye and Versailles. It stretches 12 km from east to west and connects to the Forest of Saint-Germain-en-Laye via the Plaine de la Jonction. It is a former hunting ground of the kings of France. The hike includes a route through this forest starting from Bailly.

This circular mainly covers the Marly Forest, allowing you to walk theGR®1from Chambourcy to Louveciennes. On the way back, the route crosses the Parc du Domaine Royal de Marly.

This is the third stage of the GR® 11 Grand Tour of Île-de-France. It continues through the Yvelines, between Saint-Cyr station and Villiers-Neauphle-Pontchartrain station. This stage completes the 'radial' part of the GR® starting from Paris and joins the circular loop that circles the region from Villiers-Saint-Frédéric. The route passes through increasingly large wooded areas as you approach the countryside.

Around Saint-Nom-la-Bretèche station - Marly Forest, a walk in a beautiful deciduous forest. It suffered greatly from the great storm of 1999, which flattened the oak trees on the motorway like straw, but this hike has a high density of remarkable trees (oaks, hornbeams, beeches). As the Marly forest is crossed by several busy roads, this hike focuses on the quietest part. It also offers a few viewpoints.

A mainly forest route with several remarkable trees here and there. The site of the Croix Saint-Michel offers a view stretching as far as Paris. A short but fairly challenging hike, given the alternating ascents and descents (the total elevation gain is probably underestimated; allow for around 200m).

A short walk between forest and fields without leaving Saint-Quentin-en-Yvelines. It will take you to the "Garde Manger", a shop selling local and short route products.

Starting from the Bassin de la Courance in Maurepas, you will walk through woods, fields and small hillside villages. This hike is accessible to everyone, young and old alike.

A very short walk to get some fresh air around a pond that is home to many birds. Along the way, you will discover a Gothic-style church, the ruins of the keep of the former Château de Maurepas and a remarkable oak tree.

The route goes around the Joyenval golf course, on which the old abbey is located, and passes in front of the Désert de Retz. The ruins of the Château de Montjoie and a hunting table are also located near the route.

A walk between the new town and the forest. The Étang des Noés is home to many birds that nest in the reeds on its banks. After walking around the pond, the more adventurous can take an easy stroll through the forest.

A walk between ponds, country lanes and forest, passing through the small town of Mesnil-Saint-Denis. This hike is accessible to all. It takes you through a variety of places with lovely views. Please note that there is virtually no shade for two-thirds of the route between the points (1) and (6), so it is best to avoid it in very hot weather.

A pleasant walk through the forest and along the Minière ponds.

A hike that alternates between forest and fields, with a small pond that is ideal for a pleasant break.

A pleasant route alternating between small villages, forest edges and wide open horizons.

A walk accessible to all, starting from Villiers-Saint-Frédéric station, to explore the park and the Château de Plaisir. This walk takes you through fields, the market square in Plaisir and the castle grounds. The return journey takes you through the Sainte-Apolline forest and the pretty village of Neauphle-le-Château.There are several water points if you have a dog. The route is accessible all year round. It may be a little muddy, but it remains accessible in the forest during the rainy season.

A circular route starting from Villiers-Saint-Frédéric station and crossing the village of Neauphle-le-Château. This route alternates between fields and charming little paths to reach the village square. Along the way, you will discover wide open spaces, a small lake, an orientation table, a farmyard housing an old church, old stones, and the charm of the square in Neauphle-le-Château with its narrow cobbled streets.

Fourth stage of the Grand Tour de l'Île-de-France on the GR® 11 and start of the clockwise circular section.This stage takes place entirely in the Yvelines department, connecting Villiers-Neauphle-Pontchartrain station to Orgerus-Béhoust station, crossing the Beynes forest and the agricultural landscapes of the Yvelines. The route runs alongside the Avre aqueduct, which supplies drinking water to western Paris.

A relatively short route but with some steep slopes, in a beautiful forest setting.

This circuit consists almost exclusively of paved forest roads, at least in part, and is closed to motor traffic. This allows you to hike in the forest without having to surf on paths full of water and mud in winter.

A short forest hike in two stages. After a lovely view of the former Port-Royal-des-Champs Abbey, you climb up the Vallon du Rodhon on a path and trails that wind through the undergrowth. The hike then follows the wide paths of the Port-Royal Forest.

This circular hike in the Beynes forest takes you past several underground gas storage sites. You will then cross the village of Saulx-Marchais, passing by its old church and town hall before crossing the fields to reach Neauphle-le-Vieux and the Mauldre river. Return to the starting point via the Beynes forest.

A short hike to discover the Mérantaise valley, the Croix du Bois, the Mérantais wash house, the village of Magny-les-Hameaux, the Maison des Bonheurs (family of 19th-century painters), the Domaine de Brouëssy, and the stele of Hélène Boucher (early 20th-century aviator).

The park is located in Marly-le-Roi and managed by the Public Establishment of the Palace, Museum and National Estate of Versailles. A sloping park on the south bank of the Seine, its lower part overlooks the centre of Marly. To the east, it is very close to the Louveciennes national forest, from which it is separated by the Route de Versailles. It still features the grand alignments of the Louis XIV era, the layout of the château on the ground, and the drinking trough downstream of the park with its two basins topped by copies of the Chevaux de Marly. The royal gate and the gates of the former château, such as the main gate and the Phare gate, protect access to the estate. The GPX track may prove useful.

A pleasant hike through the forest and along a golf course in a little-known part of the Marly National Forest.

A hike on the slopes of both banks of the Mauldre, a tributary of the Seine between the Plaine de Versailles and the Mantois. The route, consisting of two loops, alternates between residential areas, forests and fields. A rich heritage, partly linked to water, can be discovered along the way: an old fortified castle, old mills, a siphon bridge, farm buildings, a church, etc.

A half-day walk, mainly in the woods, with a beautiful pond and the vast lawn of the Domaine de Beauregard.

A former royal estate (Louis XIV liked to entertain his friends here, away from the court), the Parc de Marly combines a rich heritage with the pleasure of strolling along woodland paths, wide avenues and vast lawns.

A very beautiful hike to discover the wonderful rural and natural landscape of the north-west of the Chevreuse Valley, offering a radical change of scenery from the urban and commercial area of Coignières.

A short hike in the Upper Chevreuse Valley, rich in heritage and offering beautiful views of the Vallon du Pommeret and the wooded hills that surround it.

Starting from the Saint-Germain-en-Laye RER station, this loop begins on the grounds and terrace of the château, then alternates between wide forest paths and trails that wind through the undergrowth.

In the footsteps of Jean Racine, in places steeped in history. A walk through a variety of environments, between forests, meadows and cultivated fields, with a lovely view of the ancient Abbey of Port-Royal des Champs.

A fairly easy walk from station to station, the first part of which is through woodland where you can admire superb specimens of various species of deciduous trees, particularly beeches and oaks, which are certainly over a hundred years old. You also pass close to the Alluets-le-Roi telecommunications centre and its many antennas of all types.The second part, which is more varied, includes a visit to the ruins of Abbecourt Abbey and the centres of the villages of Orgeval and Villennes-sur-Seine with their churches. The walk ends with a pleasant stroll along the banks of the Seine.

From boatmen to Henry IV, this walk reveals what lies beneath the terraces of the Château de St Germain: paths winding between the pavilions, trees from the Île-de-France region, a walk under the terrace, the banks of the Seine and Corbière Park.

A mainly forest route, alternating between wide paths and trails winding through the undergrowth. An opportunity to discover a charming pond and explore a well-maintained botanical trail.