Call Mégalithe du Jardin aux Moines HISTORIC SITE AND MONUMENT The "Jardin aux Moines" is a megalithic site located on a Neolithic complex called "Buttes aux Tombes". This monument appears as a set of stone blocks of pudding-quartz and purple schist, forming a trapezium about 25m long and 5 to 6m wide. First found in writings from 1825, archaeological excavat... 02 97 93 04 63 Néant-sur-Yvel