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Lazio · Viterbo (Masse di San Sisto area, towards Vetralla)

Terme delle Masse di San Sisto

Small feeClosed
  • Temperatureto be checked (when open: one hot pool and one cooler)
  • WaterSulphurous
  • CostWhen it was open, an annual membership card was required (about €35 according to a 2016 guide).
  • Opening timesClosed since December 2019, according to the Corriere di Viterbo (article of 27 December 2024).

About Terme delle Masse di San Sisto

Until a few years ago, the Masse di San Sisto were one of the best-known free hot springs around Viterbo: two pools fed by sulphurous water, one hot and one cooler, set in meadows at the foot of the Monti Cimini, about eight kilometres from the city towards Vetralla. They weren't entirely free: access required an annual membership card, which paid for maintenance and cleaning.

We include this page mainly to save you a wasted trip, because many online guides still describe them as open. According to an article in the Corriere di Viterbo of 27 December 2024, the area, owned by a private company, has been closed since December 2019 and is at the centre of a long legal dispute involving the owners, the association that ran it and the municipality of Viterbo. On OpenStreetMap, too, the area is now marked as a disused bath.

That's why its status is "closed" and we don't give current temperatures, opening times or prices: the information still circulating dates from when the pools were in use and is no longer valid. The area is private: do not enter, even if the gate seems to be open.

If you're looking for a thermal soak in the area, there are plenty of alternatives just a few kilometres away. The Piscine Carletti are completely free and open at night too, the Bullicame is free with daytime hours, and the Bagnaccio, run by an association, charges a small fee but offers pools cleaned every day. All three have detailed pages in this guide.

If you hear about a reopening, write to us from the Report a hot spring page: we'll update this page straight away. In the meantime, the Tuscia remains one of the richest thermal areas in Italy, and a day between Viterbo's free pools and the city's medieval centre is always worth the trip.

A tip for planning a weekend: the free pools around Viterbo are very busy at weekends, especially in the evening. If you can, choose a weekday or the early morning, and bring fresh water to rinse off, flip-flops and a towel, because none of these areas have showers or changing rooms.

Access, opening times and rules

Status: Closed. It is currently closed to the public. We keep this page online for information.

Type of access
Small fee
Cost
When it was open, an annual membership card was required (about €35 according to a 2016 guide).
Opening times
Closed since December 2019, according to the Corriere di Viterbo (article of 27 December 2024).
Rules and warnings
Closed private property: do not enter.
Open at night
No
Suitable for children
Not recommended

Getting there and parking

About 8 km south of Viterbo, near the junction of the SS675 expressway and the Via Cassia, towards Vetralla.

Parking
To be checked
Reachable by car
Yes (possibly with a short walk)
Coordinates
42.37233, 12.05729
Coordinates of the thermal area shown on OpenStreetMap, now marked as disused.

Get directions Open in OpenStreetMap

Tips for your visit

  • Best time to goTo be checked
  • What to bringTo be checked
  • CrowdsTo be checked

Before you go, read our safety tips for natural hot pools.

Where to stay nearby

Places to stay near Terme delle Masse di San Sisto

To enjoy the springs at dawn or in the evening, when they are quieter, it pays to stay nearby. Look for hotels, B&Bs and farm stays in and around Viterbo.

See places to stay in Viterbo

Affiliate links: if you book, we earn a small commission

Map

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Free Small fee To be checked / closed

Nearby hot springs

Frequently asked questions

Is Terme delle Masse di San Sisto free to visit?

Not entirely: there is a small fee or membership charge. When it was open, an annual membership card was required (about €35 according to a 2016 guide). Note: it is currently closed.

How hot is the water?

To be checked (when open: one hot pool and one cooler). Type of water: Sulphurous.

Can you bathe at night?

No. Closed since December 2019, according to the Corriere di Viterbo (article of 27 December 2024).

How do you get there and where can you park?

About 8 km south of Viterbo, near the junction of the SS675 expressway and the Via Cassia, towards Vetralla.

Is it suitable for children?

We don't recommend it for young children, because of the water temperature, the type of access or safety.

Sources and checks

Last checked: . Main source: corrierediviterbo.it. Other sources: greenme.it, openstreetmap.org.

Conditions at free hot springs change often. Have more recent news? Let us know.