Río Bueno is a city and commune in southern Chile administered by the Municipality of Río Bueno. It is located in Ranco Province in Los Ríos Region. Río Bueno takes its name from the Bueno River which flows through the city and commune. Rio Bueno is one of the better rivers to fish.
According to the 2002 census of the National Statistics Institute, Río Bueno spans an area of 2,211.7 km2 (854 sq mi) and has 32,627 inhabitants (16,418 men and 16,209 women). Of these, 15,054 (46.1%) lived in urban areas and 17,573 (53.9%) in rural areas.Between the 1992 and 2002 censuses, the population fell by 1.1% (354 persons).