Palia Kameni, Greece, is included on Lonely Planet’s list of Europe’s 20 best hot springs.
Palia Kameni is a small uninhabited Greek island of volcanic origin located in the Aegean Sea within the flooded Santorini caldera.
Lonely Planet notes the following on the Greek thermal spring:
“Palia Kameni, Greece – The vibe: nature’s mud wrap.
Refreshingly non-commercial, the turquoise springs on this volcanic island in the Santorini caldera are known for their therapeutic sulphuric mud. ‘Old Burnt’ in Greek, Palia Kameni is accessed by boat from Santorini – visitors are required to swim from a moored vessel to reach the main seaside spring.”
Below is Lonely Planet’s list of Europe’s best hot springs
“Europe’s hot springs: 20 of the best spots for a soak”
Blue Lagoon, Iceland; Therme Vals, Switzerland; Thermae Bath Spa, Bath, Great Britain; Széchenyi Baths, Budapest, Hungary; Karlovy Vary (Carlsbad), Czech Republic; Terme di Saturnia, Tuscany, Italy; Kaiser-Friedrich-Therme, Weisbarden, Germany; Aqua Dome, Tyrol, Austria; Laugarvatn Fontana, Iceland; Heviz Lake, Heviz, Hungary; Bains de Dorres, Pyrenees, France; Pantelleria, Italy; Rogner Bad Blumau, Styria, Austria; Pamukkale, Denizli Province, Turkey; Palia Kameni, Greece; Banos Arabes, Granada, Spain; Terme Rogaska, Rogaska, Slovenia; Andorra la vella, Andorra; Chateau des Thermes, Chaudfontaine, Belgium; Piestany, Slovakia.