The calcareous tray of Saint-Restitut is trained by a soft rock which formed there is 25 million years. It has allowed exploiting his rock for the construction of monuments and house of the Antiquity until 1914. Numerous careers are present on the tray. On paths, you will perceive numerous tracks of wheels in the rock, left by the passage of carts for the transport of blocks. Northward, takes shape the parade of Donzère and in the South the valley of the Rhône. On the spot, you can visit careers (Attention Danger), two castles in ruins (Barry and Chabrières) and a troglodytic village.