Sonchamp walks

A route mainly through forest, with some remarkable trees and a beautiful pond, and a heritage detour through the hamlet of Loireux.

A loop with several faces... You start along a river and a pond. You then climb up a path to cross a section of the Rambouillet Forest where there are some remarkable trees. You finish through reeds and along a pond.

In the Haute Vallée de Chevreuse Natural Park, a hike mainly through forest, with a variety of tree species and ponds hidden in the fern undergrowth. The Fontaine Sainte-Anne, which was a place of pilgrimage for many years, is a pleasant spot to stop for a rest.

The first part of the route follows the upper reaches of the Orge river in a very bucolic setting. The second part is on a cultivated plateau with extensive views. The end of the route is in the forest, with beautiful trees here and there.

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.

Hike through the woods and pretty little villages.

The undergrowth is dotted with flowers in March and April and there are remarkable trees all along the route.

A pleasant short walk to explore the surroundings of Rambouillet Castle, its park and gardens, as well as other sites to visit such as the Bergerie. A walk that can easily be combined with sightseeing for the whole family. Please note: Before setting off, check the opening hours of the Rambouillet Castle park, as they may vary depending on the season. Moderator's note, October 2021: Bergerie closed, see comments at the bottom of this page

A long walk through forests, ponds and the banks of the Orge river, passing through the beautiful villages of Sainte-Mesme and Saint-Martin de Bréthancourt. Includes a visit to Dourdan, which you cross via parks and walking trails along the Orge river or the old fortifications, avoiding the suburbs and their buildings.

A loop west of Rambouillet, alternating between forest and cultivated fields. Several passages along two charming rivers, the Guéville and the Drouette.

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.

This hike explores part of the hydraulic network built during the reign of Louis XIV to supply water to the Palace of Versailles. After a very pleasant walk along the Vieille-Eglise Aqueduct and through the Bois des Vindrins, the trail continues through cultivated plains alongside small irrigation channels.

Discover Dourdan and its national forest.

A lovely woodland walk with a cultural touch.

A pleasant route offering varied landscapes through the woods and fields of the Hurepoix.

A rural and wooded route in the Hurepois region, with some beautiful views from the Butte de Tous Vents or the heights of Mal Acquis.

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.

A hike with varied landscapes. The route is mainly through the undergrowth of a beautiful forest with sections along the riverbank. 07/08/2023 Moderator's note: hike modified at point 2 to avoid private property.

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 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 from station to station with a water theme! In the Parc Naturel de la Haute Vallée de Chevreuse and then in the Forêt de Rambouillet, a pleasant route, mostly shaded, along ponds, small canals and a charming river, the Drouette.

A hike from station to station that will take you through the forest of the Haute Vallée de Chevreuse Regional Nature Park. Ponds, castle, forest, ramparts and museum: everything you need for a wonderful day out with family or friends.

An easy walk in the forest, on the Rochers d'Angennes overlooking the valley, followed by a visit to the beautiful ruins of the Moulineaux Abbey. Please note! Several hikers have reported that the route is difficult to follow at the site of the former abbey, between points (1) and (2) According to the latest information, the passage near the former abbey is now closed and dangerous. The route has therefore been modified and the original route removed.

Loop around the source of the Yvette at Les Essarts-le-Roy.

A hike from station to station that takes us to the source of the River Yvette and then up and down through the woods that frame its valley. The route crosses the Maincourt Marsh and then an area of rocky chaos. The forest trails are interspersed with villages and hamlets rich in heritage.

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.

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 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 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.

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.