Thermes de Méthana

Thermes de Méthana on the Methana peninsula in the Saronic Gulf of the Peloponnese is one of Greece's most geologically active and historically significant thermal sites — a volcanic peninsula where sulphurous springs used since antiquity emerge from fissures in the basalt and trachyte of a landscape shaped by the most recent volcanic eruptions on the Greek mainland (around 230 BC). The sulphurous springs, which emerge at 30–35°C with a distinctive hydrogen sulphide character, are accessed through a traditional Greek thermal establishment that preserves the atmosphere of the older spa culture that made Méthana fashionable in the 19th century. The peninsula's volcanic geology, with its black lava fields, fumarolic vents and hot rock formations, creates an intensely geologically interesting landscape for walking and exploration. The Saronic Gulf setting, with Athens visible on clear days from the peninsula's heights, and the proximity of the ancient sites of Epidaurus and Corinth, gives Méthana an extraordinarily rich regional context.