 Legend of Trentren Vilu and Caicai Vilu

The legend of Trentren Vilu and Caicai Vilu is a Mapuche flood myth that tells the story of a fierce battle between two mythical snakes, "Trentren Vilu" (trentren="related with the earth", vilu="snake") and "Caicai Vilu" (Caicai="related to water", vilu="snake").It explains how the south of Chile came to have its accidented geography.