Born in Lake Aluminé and after an extensive tour, joins the Rio Chimehuin to form the Rio Collon Cura. This is a course of generous size, which receives input from numerous rivers of great sporting importance, including the Pulmari, the Ruca Chororoi, Quillen and the Malleo encuentan. His long journey and variant walking shaping the environment, makes it impossible to treat it as a single unit, making for a more detailed analysis should be divided into three sections: upper Aluminé, middle and lower Aluminé Aluminé.