Ochtum

The Ochtum () is a river in Lower Saxony and Bremen, Germany. Roughly long, it is a left tributary of the Weser.

== Course == The Ochtum begins in Lower Saxony only a few kilometres south of the city of Bremen near Weyhe at the confluence of the Süstedter Bach and the Hache in the lake known as the . The Ochtum forms its tailwater and heads in a northwesterly direction into the state of Bremen where it forms part of its border with Lower Saxony. The river flows through or passes the villages and suburbs of Kattenesch, Huchting and Strom, crosses the '' and the nature reserve. A second branch of the Ochtum – its original channel – flows north past and joins the main river in the nature reserve. The Ochtum passes Delmenhorst-Hasbergen and Lemwerder-Deichshausen and discharges into the Weser at river kilometre 12.85 between Lemwerder- and Bremen-Seehausen near Unterweser.