This remarkable oak, 95cm in diameter, was around 150 years old when it was felled by the storm of 1999. This windthrow was preserved by the managers. (source Val d’Oise Natural Space Department)
Path along the Golf de Joyenval and the Désert de Retz, a place famous for its atypical architecture. The garden can be visited every Saturday from April to October, the price of the visit being 10 euros.
These are two covered alleys, built between -2,400 and - 1,700 BC located in the city center. These are burial chambers which contained around sixty bodies. Seven covered aisles in total have been located within this perimeter.