Single-chamber infernot with a semicircular plan. You access it through a long tunnel with a very low step staircase. The walls of the room have three levels of bottle tops. At the center of it a semi-pillar that acts as a table.
On the walls of the tunnel first, mono-bottles niches and then larger niches are opened. The word "INFERNOT" engraved on the wall at the entrance to the tunnel is curious.