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Also known as “Masse” or “Pozze di San Sisto”, these baths are about 8 km from Viterbo, at the foot of the Cimini Mountain Range, towards Vetralla.

They’ve been popular since ancient times, while today they’re managed by a local association.
They are made of several pools of sulphurous thermal water at different temperatures, where you can swim throughout the year, even at night.
There are public toilets, a small restaurant, some changing rooms, showers, a lawn and a large parking lot for cars.
An inexpensive membership card is required to access the premises, and it can be purchased on site.
Dogs can enter only on a leash and must stay away from the pools.
Group discounts are available. Be warned: there are usually a lot of people, throughout the year.

This post is also available in: Italiano (Italian)