Oder (Harz)

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Harz SW.png
Southwest Harz with the Oder
Location East Lower Saxony,  Germany
Basin features
Main source near Oderbrück in the Harz Mountains
ca. 810 m above sea level (NN)
River mouth near Katlenburg into the Rhume
131 m above sea level (NN)
51°40′44″N 10°6′11.05″E / 51.67889°N 10.1030694°E / 51.67889; 10.1030694
Progression Rhume → Leine → Aller → Weser → North Sea
River system Weser
Basin size 385 km²
Landmarks Small towns: Bad Lauterberg
Waterbodies Reservoirs: Oderteich, Oder Reservoir
Physical characteristics
Length ca. 56 km

The Oder is a 56 km long river in Lower Saxony, Germany. It is a right tributary of the Rhume. Its source is in the Harz mountains, near Sankt Andreasberg. It flows southwest through Bad Lauterberg, Pöhlde and Hattorf am Harz. The Oder flows into the Rhume in Katlenburg-Lindau.


The Oder rises in the district of Goslar in the heart of the Harz Mountains. Its source is located in the southern part of the Brockenfeld about 1.3 km north of the Achtermannshöhe. The river's source is called the Odersprung or "Oder Leap."

On the Brockenfeld, which is close to the Odersprung, the rivers Abbe, Große Bode, Ecker and Kalte Bode also have their respective origins. On its perimeter is the ancient Dreieckiger Pfahl boundary stone.

After the Oder has passed under the B 4 federal highway in Oderbrück in an east-west direction, it is impounded for the first time west of the village in the Oderteich, where it bends to the south. A few kilometres further downstream, the river is impounded for the second time not far southwest of Oder Valley Sawmill (Odertaler Sägemühle) by the barrage of the Oder Dam. Thereafter the river flows through Bad Lauterberg and leaves the Harz.

In Bad Lauterberg the Oder swings west, running through Pöhlde and Hattorf am Harz, passing north of the Rotenberg, and reaching Wulften. In Hattorf it collects the Sieber river coming from the northeast, before emptying into the Rhume (a tributary of the Leine) in Katlenburg from the east.

Between Scharzfeld and Katlenburg the Oder flows through the nature reserve of Oderaue.

Villages where the river flows[edit]