Arica y Parinacota Region
The canal lies in the commune of Putre in the Arica y Parinacota Region of Chile. It is long and has a capacity of . It transfers water from the Lauca River into the Rio San Jose for irrigation and hydropower purposes; the endpoint of the canal includes the Chapiquiña power plant which produces . Typically about are transferred; a plan to transfer additional water from Lake Chungara was blocked after litigation by an environmentalist group.