Solfatara

Italy / Campania / Pozzuoli /
 volcano, campsite / caravan site, caldera, national park

It is a shallow volcanic crater part of the Phlegraean Fields (Italian: Campi Flegrei) volcanic area. It is a dormant volcano, which still emits jets of steam with sulfurous fumes.
en.wikipedia.org/wiki/Phlegraean_Fields
Nearby cities:
Coordinates:   40°49'39"N   14°8'24"E
  •  10 km
  •  51 km
  •  53 km
  •  54 km
  •  73 km
  •  138 km
  •  190 km
  •  205 km
  •  244 km
  •  294 km