The Carrión is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

in northern

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. Its source is in the mountain range called Fuentes Carrionas, and it is a tributary of the river

Pisuerga 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 ...

. The entire course of the river is within the

province of Palencia Palencia is a Provinces of Spain, province of northern Spain, in the northern part of the Autonomous communities of Spain, autonomous community of Castile-Leon, Castile and León in the north of the Iberian Peninsula. It is bordered by the provi ...

See also