This short walk combines natural heritage and built heritage. In the first part, we discover Bonnelles and its old castle by following the paths that wind through the village. Secondly, we explore the town's regional nature reserve, among wetland vegetation and on the edge of two beautiful ponds.
3,8km – 1h30
Learn moreFrom the hydraulic complex created in the XNUMXth century, to simple ecological wealth, the Etang de la Tour offers more than one asset. Landscape, fauna, flora are remarkable. Add to that a detour through the old heart of the equally attractive village and you will have discovered the assets of Vieille-Eglise.
5,2km – 1h45
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You will discover the rural landscapes of the Chevreuse Valley which have inspired painters and writers throughout time, charming villages, prestigious castles, old mills, farms, fauna and flora.
5,9km – 2 hour
Learn moreThe trail initially skirts the Bonnelles Regional Nature Reserve. It then leads, through woods, meadows, and fields, to the charming village of Bullion with its church featuring an unusual porch, its wash house, and its rural houses. The route continues into the forest, bordering wetlands, a privileged habitat for numerous rare animal and plant species.
7,3km – 2h30
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The route, intended for a family audience, is based on a legend, a pretext for discovering the history, the riches of the natural heritage, the landscapes and the curiosities of the forest of Rochefort-en-Yvelines.
6.5km – 2h15
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