The Bäke is a river of Berlin and Brandenburg, Germany.

The Dahme is a river that flows through the German states of Brandenburg and Berlin. It is a left bank tributary of the River Spree and is approximately 95 kilometres (59 mi) long.
Fredersdorfer Mühlenfließ is a river of Brandenburg and Berlin, Germany. It flows into the Müggelsee, which is drained by the Spree, near Rahnsdorf.
The Havel is a river in north-eastern Germany, flowing through the German states of Mecklenburg-Vorpommern, Brandenburg, Berlin and Saxony-Anhalt. It is a right tributary of the Elbe and 325 kilometres (202 mi) long. However, the direct distance from its source to its mouth is only 94 kilometres (58 mi).

The Kindelfließ is a small river that flows through Brandenburg, to the east of Glienicke/Nordbahn into Berlin, where, just over the border, it meets with the Tegeler Fließ.

The Panke is a small river in Brandenburg and Berlin, a right tributary of the Spree, originating from the Barnim plateau. It has a length of 29 km, of which 20,2 are within the area of Berlin. Consequently, the Panke is the third longest river in the city after the Spree and the Havel. Several areas in Berlin and Brandenburg are named after the Panke, including Pankow and Panketal.

The Spree is, with a length of approximately 400 kilometres (250 mi), the main tributary of the River Havel, and at their confluence in Berlin-Spandau, is much longer than the Havel, which itself flows into the Elbe at Havelberg. The river rises in the Lusatian Highlands, that are part of the Sudetes, in the Lusatian part of Saxony, where it has three sources: the historical one called Spreeborn in the village of Spreedorf, the water-richest one in Neugersdorf, and the highest elevated one in Eibau. The Spree then flows northwards through Upper and Lower Lusatia, where it crosses the border between Saxony and Brandenburg. After passing through Cottbus, it forms the Spree Forest, a large inland delta and biosphere reserve. It then flows through Lake Schwielochsee before entering Berlin, as Müggelspree (listen ). The Spree is the main river of Berlin, Brandenburg, Lusatia, and the settlement area of the Sorbs, who call the River Sprjewja. For a very short distance close to its sources, the Spree constitutes, as Spréva, the border between Germany (Saxony), and the Czech Republic (Bohemia). The Spree's longest tributaries are Dahme and Schwarzer Schöps, other well-known tributaries are Panke and Wuhle.

The Tegeler Fließ (help·info) is a 30 km stream in Brandenburg and Berlin, and is named after the Tegel district of Berlin through which it flows.