The Ploučnice () is a river in the Czech Republic. It is a tributary of the Elbe, which it flows into in Děčín. It is long, and its basin area is about , of which in the Czech Republic. References External links Horáčková J. & Juřičková L. (2013). "Nivní malakofauna Ploučnice (Severní Čechy). The floodplain mollusc fauna of the Ploučnice River (North Bohemia)". Malacologica Bohemoslovaca 12: 40–47. Beran L. (1998). "Vodní měkkýši Ploučnice". Bezděz, vlastivědný sborník Českolipska, Česká Lípa 7: 173–180. Rivers of the Liberec Region Rivers of the Ústí nad Labem Region Populated places in Děčín District