Biobío river

The Biobío River (Also known as Bío Bío or Bio-Bio) is the second largest river in Chile. It originates from Icalma and Galletué lakes in the Andes and flows 380 km to the Gulf of Arauco on the Pacific Ocean. The major tributaries of the river are the Malleco and the Laja. The river is Chile's second-longest river (the longest being Loa River) and Biobío basin is Chile's third largest watershed, after Loa and Baker basins. The river is also the widest river in Chile, with an average width of 1 km. In the Metropolitan area of Concepción, the river is crossed by four bridges: Biobío Railroad Bridge (1889), Biobío Bridge (1942), Juan Pablo II Bridge (1973) and Llacolén Bridge (2000).
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