Cerro Largo is a municipality in the northwestern part of the Brazilian state of Rio Grande do Sul.
It occupies an area of 174.64 km2 (67.43 sq mi) at 28º09'0" south 54º45'0" west,[1] at an elevation of 211 m (692 ft) above sea level.
Portuguese is the official language but Riograndenser Hunsrückisch is still spoken by many citizens in the area.
It is the birthplace of São Paulo's current archbishop, Cardinal Odilo Scherer.
In 2012 the state chamber of deputies voted unanimously in favor of recognizing this Germanic dialect an official historical culture good to be preserved.