Free Hot Springs in Italy: Where to Bathe for Free This Autumn

The free hot springs are the perfect day trip for this Halloween and All Saints' weekend, the first truly cold spell of autumn. Forecasts predict temperatures up to four or five degrees below average between Saturday and Sunday, and it's precisely when the air turns crisp that an outdoor soak in hot water becomes a little luxury. Italy has plenty of them, especially between Tuscany and Lazio, and they don't cost a thing.

What free hot springs are, and why they're even more beautiful in autumn

Free hot springs are natural hot water sources open to everyone, with no ticket and often no set hours. They originate from the ancient volcanic activity that shaped Central Italy: the water rises from underground rich in minerals, sometimes carrying the characteristic smell of sulphur, forming pools, waterfalls and streams. In summer it can feel almost too hot to enjoy them. In autumn and winter, however, the contrast between the cool air and the warm water is the best part of the experience, and the steam rising from the pools in the morning creates a truly fairy-tale atmosphere.

Italy's most beautiful free hot springs

Cascate del Mulino at Saturnia (Tuscany)

These are Italy's most famous free hot springs, and for good reason. Below the village of Saturnia, in the Maremma, the water cascades at around 37 degrees through a series of natural white rock pools, carved out over time beside an old mill. They're open day and night, all year round, and shouldn't be confused with the nearby Terme di Saturnia spa resort, which charges an entry fee. Our tip is to arrive at dawn: you'll find parking and have the water almost entirely to yourself.

Bagni San Filippo and the White Whale (Tuscany)

On the slopes of Monte Amiata, in the municipality of Castiglione d'Orcia, Bagni San Filippo hides the Fosso Bianco in the woods, a hot water stream that has built up great white limestone formations over the centuries. The most spectacular one, thanks to its shape, is known to everyone as the White Whale (Balena Bianca). It's a wilder spot than Saturnia: you reach it via a short walk, and it's worth wearing suitable shoes.

Petriolo, the pools along the Farma river (Tuscany)

Between Siena and Grosseto, where the Farma river flows through a green and peaceful valley, the springs at Petriolo mix with the river's cold water to form small natural pools. It's the right destination for those seeking a lesser-known spot and a swim in close contact with nature.

Bagno Vignoni and the Parco dei Mulini (Tuscany)

In the Val d'Orcia, Bagno Vignoni has a square unlike any other in the world: instead of cobblestones, there's a large pool of thermal water. You can't swim there, but just below the village, in the Parco dei Mulini, hot water flows through small channels where you can stop and dip your feet while admiring the view over the valley.

Viterbo, the city of hot springs (Lazio)

In Lazio, the capital of free hot springs is Viterbo, with its warm pools in the countryside just outside town, such as the Piscine Carletti. We've told Viterbo's story many times, and in the episode Viterbo and its thermal springs you'll find its springs alongside the medieval quarter of San Pellegrino. To help plan your visit to Tuscia, there's also the Visit Lazio portal.

Our trip: wellness told first-hand

With Una gita fuoriporta we've followed the theme of water that makes you feel good from one end of Italy to the other. In the eighth season we started right from Viterbo and its thermal springs, before arriving on the Isola del Sole, in Grado, where we told the story of the Terme Marine, a different kind of wellness born from the sea and the lagoon. Two opposite ways of taking care of oneself, united by the same pleasure: stopping for a while.

Speaking of free hot springs, they are one of the most special experiences to enjoy during a day trip: places where nature offers up hot water, striking landscapes and moments of genuine relaxation, often without having to spend a penny. But which ones truly deserve a visit? To answer this question, we didn't just rely on information found online. David Romano, the face of Una Gita Fuoriporta, personally visited some of the most important free hot springs in Central Italy, discovering their features, atmosphere and quirks first-hand. This hands-on experience allows us to tell you about these places not only through their beauty, but also through a direct perspective, made up of impressions, practical advice and suggestions for organising a day out of the ordinary. Because a trip to the free hot springs doesn't simply mean soaking in warm water, but discovering corners of Italy where nature, wellness and local heritage come together.

Tips for visiting free hot springs in autumn

• Bring a bathrobe or a large towel: the coldest moment isn't the bath itself, but getting out of the water.
• Choose the right sandals: the rocks can be slippery and the pools have uneven bottoms.
• Remove jewellery and silver: sulphur will tarnish them.
• Don't stay in the water too long: the heat is relaxing, but after twenty or thirty minutes it's best to take a break and drink some water.
• Respect the place: there aren't facilities or bins everywhere, so take your rubbish home with you.
• Check before you go: free hot springs have no management, so they can be closed for works or bad weather. Information on the Val d'Orcia can be found on the website of the Comune di Castiglione d'Orcia, and for the rest of the region on Visit Tuscany.

And to choose your next destination, on our website you'll find all the episodes of Una gita fuoriporta available on demand.

Frequently asked questions about free hot springs

What are the most beautiful free hot springs in Italy?

Among the best known are the Cascate del Mulino at Saturnia, Bagni San Filippo and Petriolo in Tuscany, and the thermal pools of Viterbo in Lazio.

Are the Cascate del Mulino at Saturnia free?

Yes, access is free and open to all, day and night, all year round. The nearby Terme di Saturnia, on the other hand, is a paid spa resort.

Can you bathe in the free hot springs in winter?

Yes, and it's actually the most beautiful time to do so: the water stays warm all year round. You'll just need a good towel for getting out of the water and a dry change of clothes.

What should you bring to free hot springs?

A swimsuit, a bathrobe or large towel, sandals with a non-slip sole, drinking water and a bag for your rubbish.