Bullion walks

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 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 walk alternating between woodland and farmland, mostly on footpaths with a few sections on roads with very little traffic.

Hike through the woods and pretty little villages.

As you wander along the paths of La Celle, you’ll discover this pretty village in the Chevreuse Valley. It’s a short walk, but dotted with viewpoints where you’re sure to stop and admire the scenery.

A circular route of around 2 hours around the hamlet of La Noue in La Celle-les-Bordes, mainly through woodland, allowing you to discover some lovely scenery, ending at the castle and the church.

A circular walk through the heart of the village of Les Bordes, which will allow you to discover its many facets: old houses, gardens, pastures with horses, and the entrance turrets of Château des Bordes.

The Bois Départemental des Gaules is the wooded area situated on the north-eastern slope of the Aulne Valley in La Celle-les-Bordes. It stretches out lengthways and forms a link between the plateau and the valley, with quite a bit of elevation gain!

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.

A circular loop starting from La Celle-les-Bordes takes you past a resting area for ponies, which delight young Parisians in the city’s parks and gardens.

A circular walk through the forest that takes you to the Pont du Diable, a small stone bridge tucked away amongst the trees. This walk, long a favourite with schoolchildren, follows the Route des Hauts Besnières.

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 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 walk in the Haute Vallée de Chevreuse Regional Nature Park, where you’ll find yourself hopping over the River Rémarde. Set off to discover old mills, two beautiful churches and a wayside shrine dedicated to‘good Saint Arnoult’, patron saint of walkers! We follow paths skirting horse pastures or the edges of woods, quiet country lanes, narrow streets and footpaths.