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Solfatara

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Solfatara

What it is

Solfatara is a shallow volcanic crater at Pozzuoli, part of the wider Phlegraean Fields volcanic area west of Naples. It last erupted around 1198, likely in a phreatic (steam-driven) event, and the ground still shows that activity: fumaroles hissing sulfurous steam and, historically, bubbling mud pools. The name itself comes from Latin for "land of sulfur." It's a stop for anyone curious about active volcanism up close, rather than a scenic overlook.

Getting there

Solfatara sits in Pozzuoli, west of central Naples. By car or taxi, the drive typically takes around 25-30 minutes depending on traffic. Public transport options include the Cumana rail line to Pozzuoli, followed by a short taxi or walk to the site.

Time to allow

An hour or so is usually enough to take in the crater floor and surrounding area at a walking pace.

When to go

Note that the crater floor itself has been closed to visitors since a fatal accident in 2017, so check current access before planning a visit centered on walking into the crater. Sulfur fumes are present throughout the site, which can be uncomfortable for those sensitive to strong smells.

Combine with

Solfatara is essentially inside the Phlegraean Fields volcanic area, so the two are effectively the same visit. The Vesuvius Observatory, which monitors this volcanic zone, is about 3.7km away and suits travellers interested in the science behind what they're seeing. The Cave of Dogs (2.4km) and the Bagnoli district (2.7km) are also within easy reach for a fuller day around Pozzuoli.

Updated September 20, 2026 · Edited by the World by City editors

Tickets & tours

Admission prices and opening hours change often, so we don't list them here. Check what's on sale and at what price below — booking ahead can cut the queue at some places.

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Stays near Solfatara

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Itineraries including this place

Good to visit alongside

Phlegraean Fields

Nature

Phlegraean Fields

The Phlegraean Fields are a vast volcanic caldera west of Naples, so close to the city that part of Naples itself sits atop it. The terrain, shaped by volcanic activity, is dotted with fumaroles and other signs of geothermal activity, and the area is often described in the media as a "supervolcano."

0.0 km away

Cave of Dogs

Nature

Cave of Dogs

The Grotta del Cane (Cave of Dogs) is a small cave near Lake Agnano in the Campi Flegrei volcanic area west of Naples. Volcanic gas seeping up from underground raises carbon dioxide levels near the cave floor so much that, since CO2 is heavier than air and settles close to the ground, dogs brought inside have been observed to lose consciousness.

2.4 km away

Bagnoli

Shopping & districts

Bagnoli

Bagnoli is a coastal district west of central Naples, reached by passing Cape Posillipo, facing the Gulf of Pozzuoli away from the city's traditional tourist core. Unlike the bustling historic center, it offers an open seaside promenade lined with shops and cafés, more the kind of neighborhood where locals stroll and shop at a relaxed pace.

2.7 km away

Vesuvius Observatory

Nature

Vesuvius Observatory

The Vesuvius Observatory monitors the volcanic areas around Naples, including Mount Vesuvius, the Phlegraean Fields, and Ischia. It was founded in 1841 by Ferdinand II of the Kingdom of the Two Sicilies and is known as the world's oldest volcanological research institution.

3.7 km away

Nisida

Nature

Nisida

Nisida is a volcanic island belonging to the Phlegraean Islands, lying just off Cape Posillipo southwest of Naples. Nearly circular in shape, its submerged crater forms Porto Paone bay along the southwestern coast, with a diameter of about 0.5 km and a highest point of roughly 105 m above sea level.

4.1 km away

Posillipo

Shopping & districts

Posillipo

Posillipo is an upscale residential district along the northern shore of the Bay of Naples, with villas and mansions perched on the hillside and a narrow road winding along the coastline. Walking this road offers views across the water to the Bay of Naples, Mount Vesuvius, and even Capri, making it a fit for travelers who favor coastal scenery and a relaxed neighborhood feel over glamorous shopping.

5.9 km away