Oder basin

The Świna (; Pomeranian: Swina) is a channel in northwest Poland, between from the German border. It connects the Szczecin Lagoon with the Baltic Sea separating the islands of Uznam (German: Usedom) and Wolin. It is a part of the Oder estuary, and carries about 75% of that river's waterflow (of the remainder, Peenestrom carries 15% and Dziwna 10%). It has a length of about . Świnoujście is a major town at the end of the channel towards the Baltic Sea.

right|250px|thumb|Map of the Dziwna (right) and its region The Dziwna () is a channel of the Oder River in northwestern Poland, one of three straits connecting the Szczecin Lagoon with the Bay of Pomerania of the Baltic Sea. It separates the island of Wolin from the Polish mainland. The other two channels are the Świna and the Peene.

lake

lake

name of numerous old branches of the Oder River in Brandenburg, Germany.

lake

river in Poland and Germany

thumb|Havel-Oder-Wasserstraße - Eberswalder Kanalbrücke 1The Havel–Oder–Wasserstraße (HOW) is a navigable waterway connecting Berlin (Havel and Spree) and the German-Polish border at the West Oder River at Friedrichsthal north of Schwedt. Approximately 135 km long, it is composed of the following sections: Havel-, Scheital-, Oderhaltung and the Hohensaaten-Friedrichsthaler Wasserstraße (HFW), which are connected by the Lehnitz lock, the ship's lift Niederfinow and the West Schleuse Hohensaaten.

East branch of the lower Oder river in Poland