Waterways in Poland

The Vistula (; ) is the longest river in Poland and the longest river draining into the Baltic Sea, at in length. Its drainage basin, extending into three other countries apart from Poland, covers , of which is in Poland.

The Oder ( ; Czech and ) is a river in Central Europe. It is Poland's second-longest river and third-longest within its borders after the Vistula and its largest tributary the Warta. The Oder rises in the Czech Republic and flows through western Poland, later forming of the border between Poland and Germany as part of the Oder–Neisse line. The river ultimately flows into the Szczecin Lagoon north of Szczecin and then into three branches (the Dziwna, Świna and Peene) that empty into the Bay of Pomerania of the Baltic Sea.

The river Warta ( , ; ; ) rises in central Poland and meanders greatly through the Polish Plain in a north-westerly direction to flow into the Oder at Kostrzyn nad Odrą on Poland's border with Germany. About long, it is the second-longest river within the borders of Poland (after the Vistula), and the third-longest Polish river after the Oder (which also flows through the Czech Republic and Germany). Its drainage basin covers . The Warta is navigable from Kostrzyn nad Odrą to Konin - approximately half of its length.

The Noteć (; , ) is a river in central Poland with a length of (7th longest) and a basin area of . It is the largest tributary of the Warta river and lies completely within Poland.