Det Cerro Largo Department (üüb Spaans: Departamento de Cerro Largo [ˈsero ˈlaɾɣo]) as ian faan dön njüügentanj departmenten uun Uruguay. At department leit uun a uast faan't lun. Det hee 84.698 lidj (2011)[1]. At hoodsteed faan’t department as Melo.