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Last updated: 03 June, 2023
Expert travel writer: Nicky Swallow

Of all the thermal spa resorts in Tuscany, the Adler is arguably the best. It’s spa facilities – which include a spectacular indoor-outdoor thermal pool complex – are superb, the design aesthetic stylish and the setting is fabulous.

Excellent food and wine come as part of the package; wine tastings in the Travertine wine cellar is a must, with simpler meals on offer in the cosy osteria.

When not wallowing in the thermal water (heated to a natural 37°), having a massage or sweating it out in one of eight Turkish baths and saunas, guests can use the Adler as a base for exploring the glorious, UNESCO-endorsed Val d’Orcia and its lovely hill towns, Montepulciano, Pienza and San Quirico d’Orcia.

The wine-growing area of Montalcino (famous for its gutsy red Brunello wines) is not far, and Siena is a 45-minute drive.

Especially for under 12s

They welcome kids over 4 years, and have a daily kids club with a program of activities in the surrounding countryside.

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Key facilities

Airport transfers*
Beach: None
Fitness centre
Fitness classes
Golf course
Hot tub
Kids club
Parking: On-site (free)
Pool (adults only)
Pool (indoor)
Pool (outdoor)
Pool (kids)
Tennis courts
WiFi: Free

Food & drink

All inclusive
Kids menu
Restaurant on-site
Self catering
Additional charge

Room types


Room facilities

Air conditioning
Flat screen TV
Jacuzzi (private)
Pool (private)
Tea & coffee making facilities

Bedding options

2+ bedrooms
3+ beds
Connecting rooms
Rollaway/sofa bed

Bucket list experiences our writer says you must do in this destination, closest first

A day in the Val d’Orcia

Val d'Orcia, Tuscany, Italy[5.1 miles]

One of the most beautiful areas of Tuscany, the Val d’Orcia is a ravishing expanse of open, undulating farmland, dotted by atmospheric hill towns and dominated by Monte Amiata, an extinct volcano.

Best for ages: 18+ | Free

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Walk from Montalcino to Sant Antimo

Montalcino, Tuscany, Italy[11.4 miles]

A beautiful 3-hour walk (just over 8 miles) that takes you through farmland and Brunello wine country, passing old farmhouses and tiny stone hamlets that have remained unchanged for centuries.

Best for ages: 13+ | Free | 3 hours

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Palio di Siena

Siena, Tuscany, Italy[39.8 miles]

The most famous bareback horserace in the world, Il Palio is an extraordinary spectacle that sees horses and riders gallop three times round Siena’s glorious, medieval Piazza del Campo.

Best for ages: 13+ | Free | 3 hours

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A day in Siena

Siena, Tuscany, Italy[40.2 miles]

Arguably the most perfect medieval city in the world, Siena is a glorious ensemble of red brick buildings and exquisite monuments, famous for its fan-shaped Campo and Il Palio horse race.

Best for ages: 18+ | Free

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Other worthwhile experiences in this destination if you have the time or the interest, closest first

Bagno Vignoni

Bagno Vignoni

Bagno Vignoni, Tuscany, Italy[0.4 miles]

This small, enchanting village, situated on a hill above the Val d’Orcia, is famous for its central square, which is a large pool filled with hot springs water. You can’t bathe in it these days, so head for Hotel Posta Marcucci instead.

Best for ages: 13+ | Free

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looking to a thermal outdoor pool with countryside behind

Bathe at Hotel Posta Marcucci

Bagno Vignoni, Tuscany, Italy[0.5 miles]

You can’t bathe in the old ‘vasca’ that occupies the central piazza in tiny medieval Bagno Vignoni these days, but you can wallow in the magnificent pool at the newly-renovated Hotel Posta Marcucci, against the splendid backdrop of the Val d’Orcia.

Best for ages: 13+ | £250

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San Quirico d’Orcia

San Quirico d’Orcia

San Quirico d’Orcia, Tuscany, Italy[3.5 miles]

An atmospheric hilltop town dating back to Etruscan times, a tangle of medieval streets lies between the fortified walls, home to historic churches and a clutch of excellent restaurants and cafes.

Best for ages: 18+ | Free

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Podere Casale

Podere Casale

Siena, Tuscany, Italy[9.2 miles]

Set in glorious countryside close to Pienza, this farm produces pecorino cheese and runs courses in cheese, bread, pizza and fresh pasta-making, alongside more generic cooking classes and truffle-hunting. There’s also an excellent restaurant with menus based on local organic ingredients.

Best for ages: 13+ | Free

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Destination guides including or relevant to this place to stay


Tuscany, Italy

The astonishingly beautiful region of Tuscany has it all: art cities and ancient hill towns, high mountains and long sandy beaches, alongside luxurious hotels and some of Italy’s best food and wine.

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