Fontenay-lès-Briis walks

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

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 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 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.

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.

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.

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.