• Phlegraean Fields Regional Park and the Solfatara crater

A seismically active large volcanic area west of Naples near Pozzuoli. Solfatara di Pozzuoli is a shallow volcanic crater part of the Phlegraean Fields, Campi Flegrei volcanic area. It is a dormant volcano which still emits jets of steam with sulfurous fumes. Walk the crater floor and  explore the steam jets, the fumaroles, and the bubbling mud pools.