Blue Lagoon (Icelandic: "Blaa lónið") geothermal spa is one of Iceland's most visited attractions. Hot water is part of the lava formations.
Warm water is rich in minerals such as silica and swimming in Blue Lagoon helps some people who suffer from skin diseases such as psoriasis. The water temperature for bathing and swimming in the lagoon is on average 40 ° C (104 ° F).
Laguna is supplied with water from a nearby geothermal station Svartsengi. Superheated water is used to run turbines that generate electricity. After passing through the turbine, steam and hot water through the heat exchanger, (here is connected to district heating system) and then water is fed back into the lagoon, where it serves as a recreational and medicinal baths.
Spa is located in the lava field near Grindavík Reykjanes peninsula in southwest Iceland. Blaa lónið is located approximately 13 km from Keflavik International Airport and 39 km from the capital Reykjavik.