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Curative Natural Resource Kythnos


[item title=”General Facts”]

Historic Data

The importance and healing properties of the thermal springs of Kythnos were recognized first by German doctors and chemists who visited Greece with Otto. Queen Amalia, in order to treat her infertility problem, brought from Bavaria a team of leading doctors of the time, who, having an extensive experience with hydrotherapy, already popular and developed in 19th century Central Europe, were seeking throughout Greece, suitable thermal springs for the young queen. It is said that they considered Kythnos and its thermal springs ideal for infertility. At the hydrotherapy centre, you can still find the marble baths built for the royal couple.

In 1830 and in 1833, chemical analyses proved the healing properties of the springs and the Agii Anargyroi pool was constructed in 1838.
In 1836 the royal architect Christian Hansen, arrived at Kythnos and created the design of the thermal spas with his assistant Laurent, who undertook the execution of the plans. The Hydrotherapy building was completed in 1857 and a little while after, the neoclassic building based on Ernest Ziller’s design was erected.

Geographical Position and Access

Kythnos belongs to the west Cyclades and is located between Kea and Serifos islands. It is also called Thermia due to its thermal springs located at the picturesque bay Loutra, at the northeast side of the island. You can access the island by boat from Piraeus (3 hours approximately) and from Lavrio (1 hour and 40 minutes, or 2.5 hours if the service includes Kea). Loutra is 15 kilometers away from Mericha port and 4 kilometers away from Chora. At Loutra there is also a marina for leisure boats. At a small distance from Loutra, you meet the Schinari beach, as well as the alluring Agia Irene beach.

Hydrotherapy Facilities

Loutra that has been developed for tourism the past few decades, hosts the only Thermal Springs in Cyclades.

There are actually two thermal springs. The first one, Agii Anargyri, with a temperature of 38 Celsius degrees, is saline and is located in the adjacent old building.

The second one, called Kakavos, is located 50m away from the former, it has sodium iodide, sodium bromide, and sodium chloride, while its temperature reaches 52 Celsius degrees.

Therapeutic Properties

It is proven that the spring waters are recommended for the treatment of rheumatic, arthritic and gynecological conditions. Specifically, they enhance the treatment of diseases such as cervical syndrome, lower-back morbidity – ischialgia, neuritis, myositis, primary osteoarthritis (degenerative arthritis), chronic rheumatic diseases (ankylosing spondylitis) etc.

Operation Period:

The Hydrotherapy Centre, which operates for four months every year (June – October), includes personal marble baths and a hydro massage. Each balneotherapy lasts about 20 minutes (only one hydrotherapy per day). There are special rates for the unemployed and for the island’s residents.

You must avoid balneotherapy if:

  • You use anticoagulant drugs (blood thinners);
  • You have arterial hypertension which cannot be regulated and/or minimum diastolic pressure above 100mm Hg;
  • You have chest pains, recent heart attack, or other serious cardiovascular problems;
  • You have diabetes;
  • You have rheumatic arthritis;
  • You suffer from fever or had a recent hemorrhage;
  • You have liver malfunction or renal failure;
  • You suffer from a neoplastic disease (cancer) or tuberculosis.


[item title=”Contact”]


Tel.:  22810 – 31217, 22810 – 31460


Tel.: 210 – 3339434







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