Why Italians Have Been Soaking in the Same Hot Springs for 2,000 Years

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The Romans didn’t just build roads and aqueducts. They built thermal baths — hundreds of them — across every corner of their empire. In Italy alone, they tapped more than 400 natural hot springs. And many of those same waters are still flowing today. Still warm. In some places, still free.

A Habit Older Than Christianity

The Roman term for a public bath was thermae — and bathing was not a luxury. It was part of daily life. Rich and poor, young and old, citizens soaked together in the same steaming pools. The water wasn’t just for cleaning. It was where business was done, gossip was shared, and friendships were built.

When the Roman Empire fell, the baths didn’t disappear. The springs kept flowing. Local communities kept using them. The tradition never really stopped — it simply became Italian.

Saturnia: Where the Water Falls at Body Temperature

In the Maremma region of southern Tuscany, there’s a waterfall that flows at exactly 37°C — the same temperature as the human body. Cascate del Mulino, the Mill Falls, has been used since Etruscan times, long before the Romans arrived.

Today, anyone can visit. The pools are carved into natural rock by centuries of mineral-rich water. You lower yourself into the warm, sulphurous flow at any hour. No ticket. No queue. Just the sound of running water and the low hiss of steam.

It’s the kind of place that feels slightly unreal until you’re sitting in it.

Bagno Vignoni: A Piazza Filled With Water

Most Italian villages have a piazza at their centre — a square for gathering, arguing, and watching the world go by. The tiny hilltop village of Bagno Vignoni, in southern Tuscany, has something different. Its central piazza is a pool.

A large Renaissance stone basin, filled with naturally hot mineral water, sits where the market square should be. The Medici family bathed here. So did Lorenzo the Magnificent and Saint Catherine of Siena. The spring beneath it has been active for thousands of years.

You can’t swim in the central pool today — it’s preserved as a monument — but the village has thermal bathing facilities fed by the same source. Walking through Bagno Vignoni feels like stepping back several centuries.

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Ischia: The Island the Romans Loved

Off the coast of Naples, the island of Ischia sits above a dormant volcano. The island has over 100 thermal springs, and the Romans were quick to notice. Augustus Caesar’s physician reportedly sent him to Ischia to recover from illness. The Emperor Hadrian soaked here on his way south.

Today, Ischia is one of Europe’s most-visited thermal spa destinations — though it remains far quieter than the Amalfi Coast just across the bay. Many hotels and public parks offer thermal pools fed directly by the island’s volcanic springs. Some public pools charge only a small entry fee.

The Terme Tradition

The Italian word terme carries none of the clinical feeling of the English word “spa.” Going to the terme is a social event. Italians go in groups. They move between pools of different temperatures. They sit in silence. They argue. They eat something afterwards.

The therapeutic tradition is taken seriously. Italian doctors can prescribe terme visits for certain conditions. The springs at Montecatini in Tuscany have been used to treat digestive complaints since the 15th century. At their peak in the early 20th century, Montecatini’s belle époque bath houses attracted royalty and aristocrats from across Europe.

Those same springs still flow. The bath houses still stand.

What to Know Before You Go

Not all terme in Italy require booking or a hotel stay. Many have public access with small entry fees — and a handful, like Saturnia’s Cascate del Mulino, remain completely free.

The water at most sites is sulphurous — the same mineral-rich water the Romans prized for its healing properties. The smell fades quickly once you’re in.

The best time to visit the outdoor sites is early morning or late afternoon, when the light is softer and the crowds thinner. In winter, the contrast between cold air and warm water makes the experience something close to magical.

Italy has been doing this for two millennia. There’s a reason it never stopped.

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Planning a visit? Our complete Italy travel guide covers where to stay, what to see, and how to make the most of every day — from the thermal springs of Tuscany to the islands of the south.

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