Lagoa do Fogo

Water type: Natural lake
Continent: Europe
Climate: Subtropical
Country: Portugal

Lagoa do Fogo (Lake of Fire) is a crater lake within the Água de Pau Massif stratovolcano in the center of the island of São Miguel in the Portuguese archipelago of the Azores. The highest lake located on the island of São Miguel, the region is protected by governmental regulation that does not permit any constructions around the lake.
Lagoa do Fogo is one of the largest of the waterbodies in the Azores, and occupies the central caldera of the Água de Pau Massif, in the central area of the island of São Miguel.[4] The caldera is the youngest volcano on the island of São Miguel, formed approximately 15 000 years ago, resulting from the collapse at the top of the volcano, some 5000 years ago.