Vouliagmeni Lake is located approximately 15 miles outside of Athens, Greece. It is an oval-shaped lake with brackish water that is fed by both the sea and underground springs. The lake is only 20 inches above sea level, so it often overflows and is replenished by the underground springs. At the bottom of the lake is a labyrinth of underwater caves with 14 tunnels. The composition of the lake's water consists of various elements and is used as a mineral spa famous for its healing properties. Many people come here to treat various physical ailments such as skin conditions, arthritis, headaches and more.
Aside from therapy reasons, the lake is also popular for leisure and recreational activities. The water temperature is consistently between 71 and 84 degrees Fahrenheit which makes for pleasant swimming. There are beach chairs and umbrellas near the shores of the lake, and a nearby restaurant serves traditional Greek food. The lake also has a fish spa, yoga and Pilates classes, and walking trails.
Vouliagmeni Lake is on the western coast of Attica and can be reached by bus from Athens. The lake is open for swimming daily from 7am to 8pm. General admission is 9 euros on weekdays and 10 euros on weekends.