Los Ríos Region
Catamutún is a coal mine and locality in Los Ríos Region, Chile. Catamutún is located 25 km away from the city of La Unión. Coal has been mined in Los Ríos Region since the 1930s and Catamutún begun in 1945 to be exploited by "Compañía Carbonífera San Pedro de Catamutún", an enterprise which has since then expanded into limestone mining.