Pisuerga
River in Spain
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The Pisuerga is a river in northern Spain, the Duero's second largest tributary. It rises in the Cantabrian Mountains in the province of Palencia, autonomous region of Castile and León.
Its traditional source is called Fuente Cobre, but it has... Wikipedia
Source: Cantabrian Mountains
Mouth: Douro River
Discharge: 2,896 ft³/s
Length: 176 mi
Bridges: Puente Mayor, Puente de Cabezón de Pisuerga, Simancas bridge, and more