Malleco Province is one of two
provinces in the southern
Chilean region of
La Araucanía (IX). Its population as of the 2012 census, is 196,190, and it covers an area of . The provincial capital is the city of
Angol. Malleco Province is known for having the emblematic
Malleco Viaduct and the
Las Raíces Tunnel, Chile's longest tunnel that links the eastern part of Malleco province to the rest of the province.