The circuit starts on the footpath by the château. Astroblème footpath : 2 km ; the lake footpath : 1.3km.
These trails give you the chance to discover the secrets of this unique French impact crater, as well as the fauna and flora around Boischenu lake. See the stone used in the local buildings by following the information panels and the helpful pointers. Further audio descriptions are available on the web-site www.porteoceane-dulimousin.fr.