Therma ( el, Θέρμα) is a

spa town A spa town is a resort town based on a mineral spa (a developed mineral spring). Patrons visit spas to "take the waters" for their purported health benefits. Thomas Guidott set up a medical practice in the English town of Bath in 1668. H ...

on the island of

Icaria Icaria, also spelled Ikaria ( el, Ικαρία), is a Greek island in the Aegean Sea, 10 nautical miles (19 km) southwest of Samos. According to tradition, it derives its name from Icarus, the son of Daedalus in Greek mythology, who was be ...

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

. According to a study conducted by the

University of Thessaloniki A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the ...

, the saline hot mineral springs of Icaria contain the largest concentration of

radon Radon is a chemical element with the symbol Rn and atomic number 86. It is a radioactive, colourless, odourless, tasteless noble gas. It occurs naturally in minute quantities as an intermediate step in the normal radioactive decay chains through ...

in Greece, being also among the most radioactive springs in the world. The three springs currently in operation in the spa town of Therma (located 3 km East of

Agios Kirykos Agios Kirykos ( el, Άγιος Κήρυκος) is a town and a former municipality on the island of Ikaria, North Aegean, Greece. Since the 2011 local government reform it is part of the municipality Ikaria, of which it is a municipal unit. Its pop ...

port and 12 km from the island's airport) have a water temperature ranging between 45 and 52.8 degrees celsius (113–127 Fahrenheit). The radioactivity of the water covers a spectrum from 65 to 557 Mache units. The hot springs are available to visitors from May to November.

References

{{Coord, 37.624, 26.305, display=title Spa towns in Greece Hot springs of Greece Icaria Landforms of Ikaria (regional unit) Landforms of the North Aegean