Solfatara
Pozzuoli
FamousNature

The story
The ground breathes: hissing fumaroles, mud that boils up and a smell of sulphur reminding you how alive the earth is beneath the Campi Flegrei.
Hours and prices
Free entry.
Cratere chiuso al pubblico dal 2017; nel 2026 ancora non visitabile (dissequestro 2023 senza riapertura; problemi CO2 e bradisismo).
More gems in Pozzuoli
History & archaeologyAnfiteatro Flavio
Pozzuoli
The third largest Roman amphitheatre, at Pozzuoli: above ground the tiers, but it is underground that it strikes you, in the intact passages from which the beasts rose.
History & archaeologyTempio di Serapide (Macellum)
Pozzuoli
Not a temple but the ancient Roman market: on the marble columns the holes bored by marine molluscs tell how much the Flegrean ground has risen and sunk over the centuries.
VillagesRione Terra
Pozzuoli (NA)
On the acropolis of Pozzuoli, evacuated in 1970 because of bradyseism, the Rione Terra guards beneath its houses an intact Roman town of streets, workshops and paved hinges.
NatureLago d'Averno
Pozzuoli (NA)
In the extinct crater of a volcano, the still waters of Averno: for the ancients the threshold of the underworld, the one Aeneas crossed to descend into the kingdom of shadows.
◆ VolcanoesMonte Nuovo
Pozzuoli (NA)
Born in a single night from a sixteenth-century eruption, the youngest mountain of the Campi Flegrei holds within its crater a green silence looking out over the gulf of Pozzuoli.
More gems: Nature
◆ NatureOrto Botanico
via Foria
Founded in the Napoleonic age, the botanical garden on via Foria lines up glasshouses, palms and rare species across twelve hectares: a green breath a step away from the traffic.
◆ NaturePedamentina di San Martino
Vomero→centro
A fourteenth-century stairway dropping from the hill of San Martino down to the city: hundreds of steps through vegetable plots, gardens and glimpses of the bay — one of the finest urban paths in Naples.
NatureVilla Comunale
Riviera di Chiaia
The garden stretched out along the sea at Chiaia: avenues of holm oaks, benches and old statues, with the gulf breathing beyond the iron railing.
NatureAcquario Anton Dohrn
Riviera di Chiaia
The oldest aquarium in Europe, opened in 1874 inside the Villa Comunale: historic tanks inhabited only by the fauna of the Gulf of Naples, behind the glass.
- ◆ Nature
Vigna di San Martino
collina S. Martino
One of the largest urban vineyards in Europe, worked by the Carthusians since the fourteenth century: seven hectares of vines, citrus and olive trees hanging over the bay, a step from the city's chaos.
- ◆ Nature
Valle dell'Inferno
Ottaviano
The wild hollow between Monte Somma and the Gran Cono, among ropy lava flows and broom that in spring sets the landscape ablaze with yellow.