Fontenay-lès-Briis walks

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.

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

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.

A heritage walk in a bucolic setting, in the heart of the Hurepoix. Climb the Butte de Saint-Yon and the Bois des Roches, follow the Orge and Renarde rivers, and discover the charming church of Saint-Yon and the superb church of Saint-Sulpice.

A hike starting from a railway station (with car park for motorists), the destination of which is the superb church of Saint-Sulpice-de-Favières. Along the way, you will walk through fields, meadows and woods, and the route is enhanced by pretty rivers and an old water mill.

A varied walk, combining the rich heritage of Bruyères-le-Châtel with an original route along the paths of this commune, and a path through the forest, between the fields or along a vast stretch of water.

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.

A very short walk consisting of a circular in the forest and a circular in open terrain. Worth seeing: several remarkable trees (oak, plane trees), wetland vegetation and a small built heritage site on the theme of water.

A hike from station to station, mostly following the Orge river or its secondary branch, the Grande Boële, and along a few large reservoirs. There is a rich heritage to discover, in Arpajon at the start of the hike and, as a highlight, at the Basilica of Longpont.

A mainly forest route with two beautiful heritage sites: at the start, the charming church of Saint-Yon and a Gallo-Roman ruin, and halfway along the route, the superb Gothic church of Saint-Sulpice-de-Favières.

A few kilometres from Paris, this refreshing hike takes you through the village of Leuville-sur-Orge, along a path that runs alongside the Orge river, and to the Carouge basin in Brétigny-sur-Orge.

A varied route through the woods, fields and meadows of the Hurepoix, with beautiful views of the Château de Baville.

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.

A circular starting from a railway station, during which you climb and descend through woods and walk along the cultivated plateaus on both sides of the Orge valley, from where you can enjoy extensive views.

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

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.

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.

A varied hike where you gain altitude. First, you climb up to the Saclay plateau and walk along the university campus before gently descending into the Yvette valley through the forest. We climb back up the other bank and cross the Gif-sur-Yvette forest from east to west. After an urban section, we walk between fields before descending back into the forest to Saint-Rémy-lès-Chevreuse.

A bucolic hike where passages through woods alternate with passages between fields. Two castles, a beautiful church and a ruined medieval tower reveal themselves along the way.

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.

Tour du Rocher de Saulx, a forest home to interesting flora and fauna to discover along the way.

This marked route follows as closely as possible the path taken by Charles Péguy in 1912 and then 1913 from his home in Lozère (Palaiseau) to Chartres, via Dourdan. The walking route is 94 kilometres long and is marked with blue and white signposts. The trail was created by the Amitié Charles Péguy association. It received support from the Eure-et-Loir General Council. Visorando was responsible for its first publication on the Internet.

First of the four sections of the Charles Péguy Trail: Palaiseau-Chartres, via Dourdan. It closely follows in the footsteps of the poet Charles Péguy, who made two pilgrimages in 1912 and 1913, each lasting four days there and back.

This route is the second of four sections of the Charles Péguy Trail: Lozère (Palaiseau) - Chartres via Dourdan. It follows in the footsteps of the poet Charles Péguy, who celebrated his two pilgrimages (made in 1912 and 1913, each lasting four days there and back) in a poem that remains famous to this day. This is the transition stage: from the valleys and rolling hills of Hurepoix to the Beauce plateau.

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.

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.

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.

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.

Hike in the Yvette Valley offering beautiful views of the plain with its market gardens and requiring some effort thanks to the steep wooded hillsides covered in particular by the Rocher de Saulx national forest.

A varied route in a peri-urban setting, along rivers and streams and the Bassin de Saulx, and in the heart of the Rocher de Saulx departmental forest. Please note! Work around the Bassin de Saulx means that the route has been changed at the end: follow the suggested alternative route.

A short route to discover the village and the surrounding countryside, for nature lovers. Along the way, there are several beautiful viewpoints along the Orge river and a final stop at the Chateaupers farm.

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 walk on the hillsides on both banks of the Juine, alternating between cultivated fields and undergrowth. You'll discover a rich heritage along the way, including a dolmen, castle, old mill, farm buildings and beautiful houses.