Iskar (river)

River in Pleven, Bulgaria

The Iskar (Bulgarian: Искър, pronounced [ˈiskɐr]; Latin: Oescus) is a right tributary of the Danube. With a length of 368 km, it is the longest river that runs entirely within Bulgaria. Originating as three forks in the Balkans' highest mountain range Rila, the Iskar flows in a northern direction until its confluence with the Danube.

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