Les Molières walks

A loop around the Bois de Montabé, following the edge of an old railway line, a short section across fields and ending on paths and lanes. A walk to get some fresh air in the afternoon.

This rural route will take you to Pecqueuse, where you can admire the town of Limours from the viaduct overlooking it. You will also discover the old aerotrain line, now converted into a greenway discreetly hidden under the canopy.

A hike from station to station where you play leapfrog with the Yvette River! The route is mostly close to the river and crosses a few woods and pretty parks, including the one in the western part of the Paris-Sud University campus.

Thirty-third and penultimate stage of the Grand Tour of Île-de-France via the GR®11, almost entirely in the Yvelines department.It starts in Saint-Rémy-lès-Chevreuse and reaches Coignières after climbing up the Yvette valley and crossing the Haute Vallée de Chevreuse Regional Nature Park with its rich natural and architectural heritage, just a stone's throw from Paris and its inner suburbs.

From the RER B station at Saint-Rémy-lès-Chevreuse, visit the 11th-century medieval castle (1030) in Chevreuse and its ramparts, with a view overlooking the Chevreuse Valley. A day of nature, sport, excitement and gastronomy awaits you.

The first part of this walk alternates between woodland and fields. The return journey is through undergrowth, along the former railway line that used to link Saint-Rémy-lès-Chevreuse and Limours.

This magnificent route will allow you to discover the wonders of the Chevreuse Valley, passing through the Domaine de Coubertin, the Meridon Departmental Forest, the Bois du Vossery sandstone quarry, the village of Chevreuse with its shopping streets, its church, the Promenade des Petits Ponts and its medieval castle.

A south-north crossing for a very diverse route. Forest passages alternate with passages between fields. Water is abundant, with several rivers, the Yvette, the Marette and the Bièvre, and the Étangs de Montbrond in their green setting.

A hike from station to station, yo-yoing between the Yvette valley and the Saclay plateau, with a few fairly steep hills. After a mostly wooded route with some elevation, you cross Gif-sur-Yvette and then walk along a wetland area framed by two rivers. You climb back up onto the plateau, near the Paris-Saclay University campus. After visiting the old Troche quarry and walking along the edge of the plateau, you descend back into the valley.

This hike will take you from castle to castle in the Chevreuse Valley: Coubertin, Méridon, Breteuil, Dampierre and La Madeleine. You will also discover Chevreuse, its small bridges and its Saint-Martin Church (with its remarkable ambulatory) and the surrounding countryside. The hike can start from Chevreuse or from the RER B station at Saint-Rémy-les-Chevreuse (departure and return details in italics). In this case, add 2 km to the length of the hike.

A beautiful hike to discover the beautiful sights of the Chevreuse valley: the Chatillonmill, the castle of Dampierre, the blacksmith’s, the villages of Fourcherolles, Senlisse and Choisel, Méridon castle, the village of Chevreuse and its small bridges along the Yvette, and Château de la Madeleine.

In addition to introducing you to the Domaines d'Ors nature reserve, this route is of interest because it allows you to discover the old sandstone quarries at the start of the route, which are ideal for fun activities, and the Ruisseau du Fond de la Cure at the end of the route, whose steep gradient and the sound of the torrent give the impression of a mountain trail.

A very varied hike, showcasing the best features of the Hurepois, a small natural region in the south-west of the Ile-de-France. It starts with a few villages rich in heritage: churches, a castle, a keep, wash houses, etc. It continues through meadows with numerous horses. The hike ends with a very pleasant walk through the woods.

Visit the Château de la Madeleine's belvedere, castle and cellars via a trail around the Plaine de la Madeleine. We recommend starting from the "Carrefour de Milon," which is accessible from the beautiful little village of Milon-la-Chapelle.

This hike starts in Gif-sur-Yvette and takes you to the heights of the Saint-Aubin and Vallée Bonnard channels, following the Yvette river and returning via La Mérantaise, passing through the Bois d'Aigrefoin, the Saint-Aubin communal forest and the Coupières basin.

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.

Hike along steep paths then through the narrow streets of a picturesque village.

From the charming village centre of Janvry, a circular route to discover two 17th-century castles. A short hike through cultivated fields and woodland.

This short walk combines natural and built heritage. In the first part, you will discover Bonnelles and its old castle by following the paths that wind through the village. In the second part, you will walk through the commune's nature reserve, surrounded by wetland vegetation and two beautiful ponds.

This walk from Bonnelles to Rochefort-en-Yvelines alternates between woods and meadows. You will discover the charming hamlet of La Bâte. As you climb up to Saint-Gilles Church in Rochefort, you will enjoy a magnificent view of this ancient feudal town. On the way back, you will cross the Étangs de Bonnelles Nature Reserve.

A loop starting from Cernay-la-Ville. Head west towards Le Perray and Vieille-Église. Return via the Rambouillet Forest. 75% of the route is in the forest. Start and finish in the town centre.The circuit is almost flat (a small descent and climb towards the end), with a little road at the start and end (2 x 1.5 km) and the rest on forest paths. No technical difficulty, but it's not a leisurely ride (not suitable for families), as the paths can be very bumpy (stones, ruts, etc.) but are nevertheless often very beautiful.

A hike which is mostly in the forest, with lovely sections along the Mérantaise river and the ditches which run down from the Saclay Plateau.

This short route alternates between forest paths and paths along fields, following a small stream called Rouillon de Valence. It ends with a return to Dampierre-en-Yvelines in front of the château and its majestic park.

A walk of many faces! On forest tracks interspersed with paths through the city, you follow an old railway line with a tunnel and viaduct, finishing along the course of the river Yvette. A walk to enjoy at any time of year.

A loop in the Chevreuse Valley, with magnificent landscapes, in a wooded and rural setting close to Paris. The first part is a walk through the woods on the plateau overlooking the Yvette Valley. The return journey, parallel to the outward route, is mainly on flat ground. Most of the walk is well shaded and flat, but there are also some fairly steep ascents and descents. The area is very popular with walkers and mountain bikers, but it is well worth a visit.

A circular route that starts on a cultivated plateau before descending into the Mérantaise valley. Then, mostly in the undergrowth, you play leapfrog with the river.

A hike that allows you to discover centuries-old chestnut trees.

In the Haute Vallée de Chevreuse Natural Park, this hike alternates between forest paths and small roads through meadows and woods, revealing a rich heritage including the Fontaine Sainte-Anne, which was a place of pilgrimage for many years.

A short walk in a beautiful forest environment, perfect for getting some fresh air in the morning or afternoon. In the heart of the forest, a remarkable tree, the Gros Chêne (Big Oak), lives up to its name.

Near Rambouillet, the Vaux de Cernay offer many pleasant walks. The one suggested here gives a good overview of the variety of the site: ponds and wetlands, a passage through a chaos of sandstone and old quarries. This walk is pleasant in all seasons. 07/08/2023 Message from the moderator: hike modified at point 2 to avoid private property.

A short hike that combines urban passages, wooded and hilly trails, and a pleasant walk along the Yvette River.

Discover nature between the River Yvette and the Guyonnerie forest. A family walk where pets are welcome.

Discover part of the artistic, historical and scientific heritage of Paris-Saclay University: sculptures, frescoes, scientific instruments, archaeological sites, and more. An easy walk on a campus featuring a large botanical park and the neighbouring wooded hillsides.

The first part of the hike takes in many points of interest. The second part offers a route through forest and quiet country lanes. This circuit is not recommended for young children as it includes some very steep and stony paths.

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).

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.

Hike through the woods and pretty little villages.

At the heart of the Chevreuse Valley Natural Park, a hike that allows you to wander through a protected natural site with a trail laid out by the Park. In the Bois de Maincourt, one can see ancient sandstone quarries. The course of the river Yvette, which the trail follows on the way back, finally allows a patrimonial approach with old mills and old washhouses.

A beautiful deciduous forest. A pleasant walk on dry ground, mostly on wide paths. A very short walk, accessible to all, for a breath of fresh air in the morning or afternoon.

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.

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.

Circular route dotted with beautiful views. You pass through forests and villages, streams and ponds, and alongside historic and remarkable sites such as Château de la Madeleine and Port Royal with its Jean Racine trail. The only difficulty is the short steep climb to Château de Chevreuse.

Just 20 kilometres away, the Saclay plateau is the largest cultivated area closest to Paris. This easy route features numerous information panels explaining agriculture and environmental management in a highly urbanised region.

In the heart of the Hurepoix, a hike to discover the Château de Courson (16th-17th centuries) and the church of Saint-Maurice-Montcouronne (12th-16th centuries). A route through fields and woods, dotted with a few streams.

A hike on both sides of the Rémarde River, between meadows, fields and woods in the Hurepois region. There is a castle on the route and another at the start.

An unsuspected corner of wild nature, just twenty kilometres from Paris. In the Parc Départemental des Côtes de Montbron, the Ru de Saint-Marc and three ponds are home to a variety of flora and numerous birds. A short walk for nature lovers! 15/11/2024: A landslide has been reported just past the point (6) and it seems impossible to get through at the moment.

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 circular hike around Rochefort-en-Yvelines. The first circular loop goes north-west into the Bois de Rochefort and then returns to the town centre with a view of the cemetery and the Church of Saint-Gilles-et-de-l'Assomption. The second circular route goes around the village to the south and then east, reaching the Gloriette (river) before temporarily rejoining the route from the first part. The return journey is again through the Bois de Rochefort to reach the starting point at the Carrefour de Luynes. An ideal circular route in May with lily of the valley between the Fief de Belloy and the Butte de la Justice.

A hike in the Haute Vallée de Chevreuse Regional Nature Park, where you can play leapfrog with the Rémarde river. You will encounter old mills, two beautiful churches and an oratory dedicated toSaint Arnoult, patron saint of walkers! You will follow paths along horse pastures or the edge of woods, quiet roads, lanes and footpaths.

A walk in a green setting and beside a peaceful little lake in the middle of Élancourt (on the border with Maurepas). Combine it with a visit to the Commanderie des Templiers de la Villedieu and, why not, a visit to France Miniature, which is right next door.