Grotta Giusti Thermal Spa Resort



Set in picturesque Tuscany, Grotta Giusti Thermal Spa Resort invites you to discover Europe’s largest thermal grotto. Enjoy soothing thermal pools and a varied wellness offering in an elegant historic villa, surrounded by a centuries-old park. A place where natural beauty and a relaxing atmosphere come together in harmony.
Most popular facilities
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Thermal wellness
- Morning hike (Mon–Sat, booking required)
- 24-hour access to the gym
- Use of the Oasi summer pool
- Use of the Meditarium area, with two saunas, a Roman bath, a steam room, an indoor thermal pool with hydromassage jets, experience showers and an ice fountain
- Use of the Bioaquam thermal outdoor pools, steam room and sauna
- Grotta Giusti spa kit (bathrobe, slippers and swimming cap)
- 20% discount on access to the thermal grotto (booking required, from age 12)
Booking information
Minimum stay 3 nights: 30/12/2026 – 01/01/2027
Mandatory Christmas dinner (24/12) and New Year’s Eve dinner (31/12) are included in the price shown
Mandatory New Year’s brunch (01/01) is included in the price shown
Thermal detox
- Dietary consultation (50 mins)
- Peel Detox: purifying and relaxing beauty treatment for face and body (70 mins)
- Seaweed drainage treatment (80 mins)
- Muscle-relaxing back treatment to relieve back, joint and neck pain (50 mins)
- Fango scrub (20 mins)
- 3 thermal baths in the grotto (50 mins each)
- 2 personal training sessions (50 mins each)
Included in every package
- Morning hike (Mon–Sat, booking required)
- 24-hour access to the gym
- Use of the Oasi summer pool
- Use of the Meditarium area, with two saunas, a Roman bath, a steam room, an indoor thermal pool with hydromassage jets, experience showers and an ice fountain
- Use of the Bioaquam thermal outdoor pools, steam room and sauna
- Grotta Giusti spa kit (bathrobe, slippers and swimming cap)
- 20% discount on access to the thermal grotto (booking required, from age 12)
Booking information
Please note the contraindications for a fasting programme.
Minimum stay 3 nights: 30/12/2026 – 01/01/2027
Mandatory Christmas dinner (24/12) and New Year’s Eve dinner (31/12) are included in the price shown
Mandatory New Year’s brunch (01/01) is included in the price shown
Get back in shape
- Dietary consultation (50 mins)
- 4 slimming body wraps: thermal body mask with a slimming effect (80 mins each)
- 3 seaweed drainage treatments (80 mins each)
- 6 thermal steam baths in the grotto (50 mins each)
- 3 personal training sessions (50 mins each)
Included in every package
- Morning hike (Mon–Sat, booking required)
- 24-hour access to the gym
- Use of the Oasi summer pool
- Use of the Meditarium area, with two saunas, a Roman bath, a steam room, an indoor thermal pool with hydromassage jets, experience showers and an ice fountain
- Use of the Bioaquam thermal outdoor pools, steam room and sauna
- Grotta Giusti spa kit (bathrobe, slippers and swimming cap)
- 20% discount on access to the thermal grotto (booking required, from age 12)
Booking information
Minimum stay 3 nights: 30/12/2026 – 01/01/2027
Mandatory Christmas dinner (24/12) and New Year’s Eve dinner (31/12) are included in the price shown
Mandatory New Year’s brunch (01/01) is included in the price shown
Grotta Giusti Thermal Spa Resort in detail
Hotel
Grotta Giusti Thermal Spa Resort is a restored 19th-century villa set in the heart of picturesque Tuscany. Europe’s largest thermal grotto is the centrepiece of this five-star resort. Surrounded by a centuries-old park, the non-smoking hotel brings together natural thermal waters, unspoilt nature and historic charm in a harmonious setting. Every detail of the resort, from the spa to the dining, is inspired by the poetry and beauty of the Tuscan landscape.
Location & Surroundings
Grotta Giusti is located in Monsummano Terme, surrounded by the authentic beauty of Tuscany. Its central location makes it an ideal base for discovering the region’s cultural and natural treasures, from renowned cities such as Florence, Lucca and Pisa to idyllic villages and historic villas.
Food & Drink
Wellbeing, flavour and poetry come together to delight body and mind with Tuscan specialities. Il Poeta (breakfast from 7–10.30 am, lunch from 12.30–2.30 pm and dinner from 7–11 pm) serves traditional, healthy and seasonal dishes. Set amid the greenery of the park, Oasi Bar und Restaurant by the summer pool (11 am–7 pm) offers delicious food and drinks. L' Affresco Lounge Bar (10.30 am–11 pm) serves herbal drinks and cocktails in a magnificent room centred around a splendid frescoed ceiling. Refreshments and snacks are made with fresh, local produce. The herb garden , with herbs from Mediterranean traditions (basil, parsley, mint, sage, bay and rosemary) as well as aromatic and medicinal plants, provides the ingredients for infusions, herbal teas, kitchen seasonings and flavours for cocktails and summer drinks.
Wellness & Spa
The 3,000 m² thermal spa (10 am–7 pm) offers a captivating retreat inspired by the remarkable thermal grotto, with the Meditarium, the Oasi summer pool (open from May to September), 11 treatment rooms, cryotherapy, relaxation areas and a gym. The Meditarium features two saunas, a Roman bath, a steam room, an indoor thermal pool with hydromassage jets, experience showers and an ice fountain. Facilities also include the 750 m² Bioaquam thermal outdoor pool with hydromassage jets and a waterfall, another outdoor thermal pool, a Finnish sauna, a steam room and a pavilion for relaxation.
Health & Cures
Europe’s largest natural thermal grotto, the centrepiece of the resort, is a thousand-year-old wonder stretching more than 200 metres underground. Divided into the areas of Paradise, Purgatory and Hell, the cave offers temperatures of 28°C to 34°C and a crystal-clear warm lake with a constant temperature of 36°C. The natural vapours have a detoxifying, soothing effect on body and mind, support the metabolism and help restore the body’s balance. For a fee, guests can enjoy a natural sauna or steam room, float in the thermal waters or take part in activities such as Pilates and diving (a basic certificate is required). Access is available from age 12. Reservations can be made at the hotel.
Fitness & Sports
The resort has a fitness room and tennis court (equipment can be hired on site). Pilates, yoga and meditation sessions, as well as personal training, are available on request for an additional charge. Yoga mats can be borrowed from the hotel. The entire park, with its winding paths, provides an ideal setting for exercise and meditation surrounded by nature. A walk, run or trek through the park can be accompanied by music or a selection of audio guides introducing guests to the natural surroundings. Climbing lessons are available on request for an additional charge.
Leisure
At Grotta Giusti, you can create your own herbal blends, take part in a cocktail workshop, enjoy wine and chocolate tastings, and visit the olive grove, with the opportunity to taste olive oil. A picnic basket can be prepared for you on request. Horse riding and vintage car tours are available nearby.
Arrival
- Florenz Peretola Airport (FLR): approx. 44 km / 39 min
Car hire is recommended.
Good to know
The grotto was discovered in 1849 by quarrymen working on the Giusti family estate. As they moved a boulder, they came across the entrance to a cavity. Deep beneath them lay the grotto, with its warm vapours, stalactites and stalagmites, warm lake and unique atmosphere. The discoverers noticed that the vapour had beneficial effects. News of this sparked the interest of doctors, who scientifically confirmed the treatment’s clinical effectiveness. The Giusti family then began building the thermal baths. The reputation of the “steam baths” and their effects began to spread. In 1880, the royal hotel was built, welcoming guests including the Prince of Naples and Giuseppe Verdi, who described the grotto as the “eighth wonder of the world”. The natural grotto is open daily.
Additional information
Local tax: approx. €4.00/day, per person, to be paid upon arrival.
Dogs (all sizes) are permitted with prior notice, approx. €35.00/day, to be paid at the hotel.
Travelling with children? We'll be happy to check availability and prices for you – just add their ages at the time of travel in the comments field when you book or enquire.
Hotel rooms at a glance
The 68 rooms reflect the art, nature and history of Tuscany, with great attention to detail.
Deluxe Double Room with Park View
27 m² · Queen-size bed · Park viewClassic Double Room
18-20 m² · Double or twin bedsClassic Double Room with Balcony
19 m² · Queen-size or twin beds · Park view · BalconyClassic Double Room with Park View
19 m² · Queen-size bed · Park viewJunior Suite
40 m² · King-size bed
Our additional services
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Beauty
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Oriental
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Relaxing
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Location
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