10 must-visit Thermal Spas around the world

A visit to a thermal spa offers a holistic wellness experience. Beyond the soothing warmth and healing power of thermal water, many spas provide numerous wellness options to harmonise body and mind. From relaxing massages to revitalising sauna sessions, thermal spas offer everything you need for a healthy and pleasant cool-down, even in summer. Treat yourself to a break from the daily grind and experience the unique combination of body-temperature water and healing minerals. Thermal pools regenerate your body and refresh your soul. Immerse yourself in a world of well-being and health – your body and mind will thank you for it. Please review my list of 10 thermal spas that I have personally visited and pick your next travel destination.

What exactly are thermal pools?

A thermal mineral spring is a natural phenomenon where groundwater is heated deep underground by volcanic activity and picks up minerals from the rock before resurfacing. This unique combination of heat and mineral content has been used in balneotherapy for centuries, with thermal pools offering natural warmth and a variety of minerals known for their therapeutic benefits. These pools have been used in various cultures, from Roman baths to Japanese onsen and Costa Rica's volcanic springs. The heat and minerals in thermal pools can help alleviate joint pain, relax muscles, improve blood flow, reduce stress, improve skin conditions, and promote better sleep. The modern "Therme" concept, inspired by ancient thermal bathing traditions, was pioneered in the late 1990s by German architect Josef Wund.

What does SPA mean?

The term "SPA" originates from the Latin phrase "Sanus per aquam," meaning "health through water." Today, it typically refers to a location or practice focused on revitalising the body and mind through water-based therapies, massages, and soothing treatments. The name often brings to mind the Belgian town of Spa, historically renowned for its therapeutic mineral springs. It encompasses the idea of enhancing health and vitality through utilising the healing properties of water.

1 Therme Bucharest

Therme Bucharest is the largest indoor wellness centre in Europe, spanning 34,000 square meters and offering water sports, relaxation, and dining options. It is known for hosting the annual Herbarium Festival and is considered one of the top spas in Bucharest. The facility is divided into three main areas: Galaxy, The Palm, and Elysium, each catering to different preferences. Galaxy is family-friendly with water slides and wave pools, The Palm offers a tropical relaxation experience with indoor gardens and mineral pools, and Elysium provides a luxury wellness zone with themed saunas and spa treatments. The complex features 10 themed saunas and wellness baths supplied with thermal water from a depth of 3,000 meters to maintain a constant temperature of 33 degrees Celsius.

Therme Bucharest also features Romania's largest botanical garden, with over 800,000 plants, including unique species such as palm trees and orchids.

The centre aims to offer a comprehensive experience that combines relaxation, health, physical activity, entertainment, and dining for visitors of all ages.

Located just 10 minutes north of Bucharest, Therme Bucharest is designed with a focus on wellness and sustainability, providing a peaceful retreat for guests to relax and rejuvenate.

Good to know

Book your tickets in advance and consider avoiding weekends and holidays. The complex is vast, with so many experiences on offer. I recommend a full-day visit to explore everything it has to offer.

How to get there

One convenient option is to head straight to Therme from the airport, as it's closer to Bucharest Henri Coandă International Airport (OTP) than to the city centre. You can take the direct Bus 442 from the departures terminal for approximately 10–15 minutes, or opt for a 7–10 minute taxi, Uber, or Bolt ride.Therme Bucharest is also easily accessible by bus from central Bucharest. The R442 bus departs every 20 minutes from Piaţa Presei Libere bus station. Additionally, a free shuttle bus departs every two hours from Piața Romana bus station to Therme Bucharest.

Where to stay

For the closest access to Therme Bucharest, consider staying in nearby airport hotels. Top choices include the Hilton Garden Inn Bucharest Airport and Vienna House Easy by Wyndham Airport Bucharest. Another possibility is to explore local guesthouses in Balotești, where Therme is located. Alternatively, stay in central Bucharest for a city trip combined with a relaxing spa day.

2 Emser Therme in Bad Ems

The Emser Therme is recognised as a contemporary and welcoming wellness facility in Germany, situated next to the Lahn River. It seamlessly blends in with the natural surroundings and features Germany's first floating river sauna. The design of the spa is inspired by river pebbles, with rounded shapes, warm colours, and natural materials used throughout the thermal area. Guests can enjoy breathtaking views of the river landscape while relaxing in the seven pools with varying temperatures. Additional amenities include a herbal steam bath, salt inhalation room, and outdoor sports pool. The Sauna Park offers a wide range of indoor and outdoor saunas, creating a unique atmosphere. Sauna masters regularly perform special infusions, adding to the overall experience.

Good to know

The Emser Therme is situated in the picturesque town of Bad Ems, a mere 20 minutes from Koblenz. Beyond the thermal baths and its adjoining hotel, Bad Ems is celebrated for its healing waters, beautiful parks, and historic architecture.

The Emser Therme complex is divided into distinct zones with specific dress codes: swimwear is compulsory in the main Thermen Landschaft (thermal bath landscape), whereas the separate Sauna Park is a strictly textile-free zone where swimwear is not permitted.

Getting there

Train travellers can easily reach the Emser Therme from Koblenz and Limburg via Deutsche Bahn's regional trains. From Bad Ems West station, it's just a 9-minute walk. If travelling by bus, the "Thermalbad" bus stop is conveniently located between the Emser Therme and the Emser ThermenHotel, accessible via numerous lines of the Rhine-Moselle transport association.

Where to stay

A distinguished 4-star hotel is currently under construction directly on the Lahn in Bad Ems, adjacent to the Emser Therme.

3 Escape to Paradise: a guide to Therme Erding

Located near Munich, Therme Erding is recognised as the world's largest thermal spa. The expansive resort features more than 30 pools, 28 waterslides, and 35 saunas, surrounded by a tropical landscape filled with palm trees. The facility is divided into family-friendly sections and adults-only (16+) wellness areas where clothing is optional, catering to a wide range of preferences.

The family-friendly zone offers a variety of activities for all ages, including the Galaxy with its 28 slides spanning over 2,850 meters. The wave pool provides a different kind of aquatic experience, ranging from gentle waves to thrilling surfing on two-meter swells. With over 300 palm trees, a visit to Therme Erding feels like a tropical getaway. In addition to the water attractions, the spa offers a daily infusion program to promote relaxation and enjoyment, including face masks, steam sessions, ceremonies, and aromatic journeys. Visitors can enhance their experience with a private lounge reservation for added luxury, recommended to be booked in advance.

Good to know

Therme Erding welcomes visitors of all ages, including infants and newborns, with children under three years old enjoying free admission. However, specific age restrictions apply to the adult-only wellness and sauna zones. The Vital Oasis and Sauna Paradise are exclusively for guests aged 16 and over. These tranquil areas are designated as quiet wellness zones and are textile-free/nude.

Getting there

From Munich, take the S2 train to the Altenerding stop. From there, you can catch the 550, 560, or 580 bus directly to Therme Erding from Monday to Friday. On weekends and public holidays, the 570 bus operates.Alternatively, enjoy a pleasant 800-metre walk from the train station; the path is clearly signposted.

Where to stay

For the ultimate convenience, consider staying at Hotel Victory, located directly within the Therme Erding complex. This unique hotel offers a captivating experience, recreating the feeling of being on a ship, yacht, or even in Venice, with its design inspired by a reconstruction of HMS Victory and a Venetian palace.

4 Bodensee-Therme Konstanz: lakeside bliss

Located by Lake Constance next to the city of Konstanz, the Bodensee-Therme Konstanz offers a stunning retreat.

Picture yourself relaxing in thermal waters with a view of the Alps. After a sauna session, the cool breeze from the lake provides a refreshing break. This spa is a peaceful escape from daily life, allowing you to find inner peace. Indoors, you can relax in the thermal pool or the warmer 'quelltopf' pool.

Outside, there are more pools with great views of the lake. In the warmer months, the outdoor area offers sunbathing lawns, a swimming pool, slides, and more. The spa is accessible and includes special amenities for all guests.

Good to know

The on-site restaurant, Seelig, serves delicious regional dishes.

Getting there

The most direct way to reach the spa is by taking local city bus number 5 from Konstanz Hauptbahnhof – it drops you right outside the main entrance.

For convenience, consider staying in one of Konstanz's city hotels.

5 Liquidrom, Berlin: a unique aquatic escape

While not a traditional thermal spa, Liquidrom in Berlin deserves a spot on this list for its truly unique offering. The star attraction is its warm saline floating pool, heated to 36°C. This water is heavily enriched with salt, creating effortless buoyancy, and is accompanied by captivating underwater acoustics and ambient light therapy – a truly immersive experience.

Beyond the main dome pool, Liquidrom boasts a textile-free sauna area with themed infusions (Aufguss), an aromatic steam bath, and specialised body therapies, including the soothing Watsu water massage and the "Liquid Body" treatment.

Good to know

The entire sauna area is completely textile-free. However, the large floating pool requires swimwear. It's advisable to book in advance, as it can get busy.

Getting there

Liquidrom is located at Möckernstraße 10. You can reach it via: S-Bahn: Anhalter Bahnhof, U-Bahn: Möckernbrücke, Gleisdreieck, Potsdamer Platz, Buses: M29, M41.

6 Atostogų Parkas: Western Lithuania's wellness oasis

Located in the peaceful Žibininkai region just outside of Palanga, Atostogų Parkas is considered the top recreation and wellness complex in Western Lithuania. Situated 6 kilometres away from the Baltic Sea and 30 kilometres from Klaipeda, this natural retreat is home to the impressive Natura Termo SPA. This spa centre utilises geothermal water from a depth of two kilometres for its treatments, making it the first in Lithuania to do so.

Guests can also experience the exclusive "Sea of Minerals" procedure and relax in the largest amber bathhouse in Lithuania. 

In addition to spa amenities, Atostogų Parkas offers various activities, water sports, and accommodation options including a hotel or rustic villas. Guests can enjoy delicious dining options, tennis courts, and a range of wellness and treatment procedures during their stay.

Good to know

Public transport in this area is somewhat limited. Bolt taxis are the most convenient option for getting around. For greater freedom to explore nearby attractions, a rental car is advisable.

Getting there

If travelling by public transport, first make your way to Palanga bus station.

From there, a Bolt taxi will comfortably cover the 7-kilometre journey to Atostogų Parkas.

Where to stay

Hotel Rooms in the Main Building: Modern rooms and suites, just a stone's throw from the water park and spa facilities. Forest Log Villas: Cosy, private two-storey wooden cabins, perfect for families or groups seeking a peaceful nature retreat.

7 Terme San Giovanni in Rapolano Terme: Tuscan thermal bliss

Nestled in the beautiful hills of Crete Senesi in Tuscany, Terme San Giovanni in Rapolano Terme offers a traditional thermal spa and resort experience. This charming getaway features naturally heated sulphurous-calcium thermal pools kept at a comfortable 39°C, as well as a well-equipped wellness centre. Guests can opt for day visits or stay longer in the adjacent 54-room hotel. Terme San Giovanni includes both indoor and outdoor pools with stunning views of the surrounding hills and olive groves.

The warm water, rich in sulphur and calcium bicarbonate, is known for its soothing effects and benefits for skin and muscle care. The spa also offers a variety of treatments, such as mud baths, inhalation therapies, massages, and rehabilitation programs.

Good to know

Some areas of Terme San Giovanni are reserved for hotel guests only. To fully experience all the facilities, an overnight stay is highly recommended.

Getting there

The closest major town is Siena. Trenitalia operates an hourly train service from Siena to Rapolano Terme. Tickets typically cost between $5–9, and the journey takes approximately 40 minutes.

Address: Via Terme S. Giovanni, 52, 53040 Rapolano Terme SI

8 Giardini Poseidon Terme: Ischia's thermal oasis

Located in the picturesque Bay of Citara, Giardini Poseidon Terme is the largest thermal spa in Ischia. The spa sits on six hectares of beautifully landscaped terraced grounds and features 20 thermal pools with temperatures ranging from 28°C to 40°C. Visitors frequently praise the pristine environment and the peaceful atmosphere. In addition to the thermal pools, there are three seawater pools, a natural rock steam grotto, and a sandy beach for sunbathing. The park also offers hydrotherapy facilities, including Kneipp pools and a Japanese treading pool.

The health centre provides a variety of massages, medical therapies, and physiotherapy treatments. The gardens, filled with colourful Mediterranean plants, are a highlight for many guests.

The spa is accessible, with flat terrain and ramps or lifts in several areas. 

Good to know

While children of all ages are welcome at Giardini Poseidon Terme, those under 12 are not permitted in the thermal baths and pools. Therefore, it might not be the ideal destination for families with young children. Given the sheer size of the park, we recommend allocating ample time to fully explore and enjoy all it has to offer.

Bring your swim cap because it’s required, to avoid additional expenses when buying it on site.

Getting there

Giardini Poseidon Terme is located in the Baia di Citara in Forio. To reach this thermal paradise, take a ferry or hydrofoil from Naples (Molo Beverello or Porta di Massa) to Ischia Porto or Forio.

From there, you can easily complete your journey via local bus, taxi, or car. A word of caution: Ischia is a hilly island! While places may appear close on a map, the actual journey could involve significant uphill stretches, so plan your route accordingly.

9 Alpamare, Switzerland: a thrilling water wonderland

Alpamare in Pfäffikon, Switzerland offers an exciting aquatic experience with twelve water slides spanning 2,100 metres. Enjoy the indoor wave pool with waves reaching 1.2 metres or relax in the 32°C Alpa Therme outdoor pool with massage jets and underwater music. The Rio Mare outdoor river pool provides a unique floating experience.

For further relaxation, there is a 36°C saltwater brine bath and a wellness sauna world. Families will appreciate the toddler area with paddling pools and mini slides. On-site restaurants and a picnic area are available for dining. Please note that while the name suggests thermal waters, information on this is not readily available. Visitors can enjoy views of Lake Zurich.

Good to know

The Seedamm Plaza hotel in Pfäffikon has just the ticket with its "Alpamare Special" overnight package. Starting from CHF 126 per adult, this fantastic deal includes a 4-hour pass to the thrilling Alpamare water park, a comfortable double room, a delicious breakfast buffet, and complimentary access to the hotel's fitness facilities and sauna.

Getting to Alpamare

From Zürich, you can take the S2, S5, or S8 commuter train from Zürich Central Station to Pfäffikon SZ railway station, enjoying a scenic 45-minute ride along Lake Zürich. From Pfäffikon SZ Station, on weekdays you can take PostBus Route 195 directly outside the station and arrive at the Seedamm-Centre stop in just over 5 minutes, close to the Alpamare entrance. On Sundays, Route 195 does not run, so you can take Bus 524 and get off at the Schweizerhof stop near the Seedamm-Centre roundabout. If you prefer walking, Alpamare is a flat 20-minute stroll from Pfäffikon SZ train station.

Where to stay

The Seedamm Plaza hotel in Pfäffikon is your ideal base for an Alpamare adventure.

10 Discover tranquillity at Xinyinzhan Hot Spring Holiday Resort

For those seeking a more serene escape, venture to the Xinyinzhan Hot Spring Holiday Resort in Qingyuan, Guangdong, China. This expansive open-air hot spring facility is conveniently located approximately 18 kilometres from downtown Qingyuan and 40 kilometres from Guangzhou.

The resort boasts over 60 natural open-air therapeutic pools, with temperatures ranging from a soothing 38°C to a warming 45°C. All the water is sourced from over 180 metres underground, ensuring its pristine quality. Certified as both a Fluoride Spring and a Silica or Metasilicic Acid Spring, Xinyinzhan is classified as a High-Quality Rare Hot Spring due to rigorous evaluations. The unique combination of high alkalinity, fluoride, and metasilicic acid creates a thermal environment that effectively reduces muscle tension, improves blood circulation, and lowers stress levels.

Good to know

Towels, water, and soft drinks are provided free of charge for your convenience.

Getting there

The resort's location is incredibly convenient for travellers. It's situated near the Yinzhan toll station on the Guangqing Expressway, along the G107 national highway, and approximately 370 metres from Yinzhan Railway Station. Didi (ride-sharing service) is also a readily available option for getting there.

Where to stay

When it comes to accommodation, you're spoilt for choice! Guests can opt for one of the luxurious VIP double rooms, or for something truly special, there are over 50 private hot spring villas, each boasting its own personal soaking tub and a heated stone bed – pure bliss!

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What did you think? Are you fond of visiting Thermal Spas? Any favorites? I would love to hear from you, so please add your comment below.

Author: Anita Sane

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