The Oderteich is an historic reservoir about seven kilometres northeast of Sankt Andreasberg in the Upper Harz in central Germany. It was built by miners from St. Andreasberg in the years 1715 to 1722
The Oderteich in winter. Right: the control hut (Striegelhaus) on the dam
The Oder is a 56-kilometre-long river in Lower Saxony, Germany, and a right tributary of the Rhume. Its source is in the Harz mountains, near Sankt Andreasberg. It flows southwest through Bad Lauterbe
Confluence of Sieber (left) in the Oder (right) at Hattorf