The Carrión is a river in northern Spain. Its source is in the mountain range called Fuentes Carrionas, and it is a tributary of the river Pisuerga. The entire course of the river is within the province of Palencia.
Coordinates: 42°19′08″N 4°36′43″W / 42.3190°N 4.6119°W / 42.3190; -4.6119