. . "33400.0"^^ . . . "1.32"^^ . "Pr\u0105dnik (also called Bia\u0142ucha in its lower course) is a river in Poland, running through the Krak\u00F3w-Cz\u0119stochowa Upland in Poland's Lesser Poland voivodeship. The river is a left tributary of Vistula. The source of the river lies in the village of Su\u0142oszowa in the Olkulsz Uplands. It flows in a deep gully through the Ojc\u00F3w National Park. The lower run in Krak\u00F3w has been designated an ecological reserve on 17 December 2008."@en . "Bia\u0142ucha" .