78 - Yvelines walks

Walk in the Chevreuse Valley ( Download : PDF )

19.35km +331m -336m 6h30 Average
Starting point in Chevreuse - 78 - Yvelines

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.

The Roselière (reed beds) of Maincourt ( Download : PDF )

9.08km +76m -77m 2h50 Average
Starting point in Lévis-Saint-Nom - 78 - Yvelines

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.

Following the Bièvre river through Saint-Quentin-en-Yvelines in Igny ( Download : PDF )

19.3km +20m -109m 5h35 Average
Starting point in Montigny-le-Bretonneux - 78 - Yvelines

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.

The Vaucouleurs valley around Dammartin-en-Serves ( Download : PDF )

11.72km +120m -123m 3h40 Average
Starting point in Dammartin-en-Serve - 78 - Yvelines

A beautiful walk through stunning and varied landscapes. Historic detours along the way.