George Blau is an artificial lake on the island of Mallorca in the Balearic Islands, located in the valley between Puig Major and Puig de Massanilla, and has been used since 1971 as a source of drinking for the city of Palma and its surroundings along with the neighboring Lake Cooper, and has been declared a natural landmark by the government The Balearic Islands in 2003, and is located within the World Heritage site Serra de Tramuntana, and in addition to that, the scenic nature in this place is a main reason for visitors to flock to it with their families and friends.