Osterbek is a river of Hamburg, Germany. The Osterbek has its source at Farmsen-Berne in the Hamburg borough of Wandsbek. After crossing into the borough of Hamburg-Nord, the Osterbek becomes navigable as Osterbekkanal. It joins the Alster at Außenalster, between the districts Winterhude and Uhlenhorst.
See also List of rivers of Hamburg
References
Gesamtliste der Fließgewässer im Elbeeinzugsgebiet, Flussgebietsgemeinschaft Elbe (FGG), Magdeburg, 2010