The river '''Warta''' ({{IPAc-en|ˈ|v|ɑːr|t|ə}} {{respell|VAR|tə}}, {{IPA-pl|ˈvarta|lang|pl-Warta.ogg}}; {{lang-de|Warthe}} {{IPA-de|ˈvaʁtə||de-Warthe.ogg}}; {{lang-la|Varta}}) rises in central [[Poland]] and meanders greatly through the [[Geography_of_Poland#Topography | Polish Plain]] in a north-westwesterly direction to [[tributary|flow into]] the [[Oder]], at the [[Germany|GermanKostrzyn nad Odrą]] on Poland's border with [[Germany]]. About {{convert|808.2|km|mi}} long, it is Poland'sthe second-longest river within itsthe borders of Poland (after the [[Vistula]]), and the third-longest includingPolish river after the Oder,that(which also flows alsothrough acrossthe [[Czech Republic]] and Germany).<ref name=yearbook>[http://stat.gov.pl/download/gfx/portalinformacyjny/en/defaultaktualnosci/3328/2/17/1/statistical_yearbook_of_the_republic_of_poland_2017.pdf Statistical Yearbook of the Republic of Poland 2017], [[Central Statistical Office (Poland)|Statistics Poland]], p. 85-86</ref> Its [[drainage basin]] covers {{convert|54529|km2|sp=us}}<ref name=yearbook/> and it is navigable from [[Kostrzyn nad Odrą]] to [[Konin]], - approximately half of its length.<ref>[http://www.britannica.com/EBchecked/topic/636181/Warta-River Warta River] ''[[Encyclopædia Britannica Online]]''</ref>
The It isWarta connectedconnects to the Vistula byvia its own tributary, the [[Noteć]], and the [[Bydgoszcz Canal]] (''{{lang-pl | Kanał Bydgoski''}}) near the city of [[Bydgoszcz]].
