The only river communication with foreign countries is furnished by the Danube, on the one hand towards Austria and Germany, and on the other towards the Black Sea, All the rivers belong to the watershed of the Danube, with the exception of the Poprad in the north, which as an affluent of the Dunajec flows into the Vistula, and of a few small streams near the Adriatic. The Danube enters Hungary through the narrow defile called the Porta Hungarica at Deveny near Pressburg, and after a course of 585'.m.
They extend between the rivers Waag, Arva, Dunajec and Poprad, and form a sharply defined and isolated group, rising abruptly like a gigantic wall to an altitude of over 8400 ft.
It is situated on the river Biala, not far from its junction with the Dunajec, and is the seat of a Roman Catholic bishop. It possesses a cathedral in Gothic style, built in the 15th century, with monuments of the Tarnowski and Ostrogski families, to which the town formerly belonged, and another church built in 1 454..
It is navigable for nearly zoo m., and its principal affluents are the Dunajec, the San and the Bug.
The river Vistula, which becomes navigable at Cracow, and forms afterwards the north-western frontier of Galicia, receives the Sola, the Skawa, the Raba, the Dunajec with its affluents the Poprad and the Biala, the Wisloka, the San and the Bug.