Levada ( port. Levada ) is a type of irrigation canal built on the island of Madeira ( Portugal ).
It is a groove , for concrete or paved with stone, walking along the slope of the mountain . Nearby there is usually a path for pedestrians, sometimes a safety cable is pulled.
Levada began to be built in the 16th century to deliver water from the northern part of the island to the arid southern part. The last Levada was created in 1970 . Now they continue to play the role of irrigation canals, but are also a popular tourist destination .