The Sorge is a right affluent of river Eider in

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sch ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. According to the actual naming, it has a length of . It is formed by the confluence of two streams or small rivers. The shorter one is called Stente. It is the outlet of a lake called

Bistensee Bistensee is a former municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany. On 1 March 2008, it was merged with Ahlefeld Ahlefeld-Bistensee is a municipality in the district of Rendsburg-Eckernförde, in Schles ...

. Half way it passes the mill's pond of the hamlet of Stenten. Below this pond it was called "Sorge", too, as late as in official maps printed in the year 2000. The main affluent of ''Bistensee'' and the length of this lake included, this top tributary is long. The other top tributary is longer, . Its upper section is called ''Boklunder Au'', the lower one ''Mühlenau'', in 2000 still ''Mühlenbach''. But there is another ''Mühlenbach'' (''mill stream''), nearby, joining river Sorge from the left (i. e. southern) side. From the confluence of its sources, river Sorge mainly flows westward. In the

moraine A moraine is any accumulation of unconsolidated debris (regolith and rock), sometimes referred to as glacial till, that occurs in both currently and formerly glaciated regions, and that has been previously carried along by a glacier or ice shee ...

region of

Geest Geest is a type of landform, slightly raised above the surrounding countryside, that occurs on the plains of Northern Germany, the Northern Netherlands and Denmark. It is a landscape of sandy and gravelly soils formed as a glacial outwash plai ...

, it is crossed by the historical Oxen Way, as

Hærvejen Hærvejen (Danish, literally: ''the army road'', german: link=no, Ochsenweg, literally: '' oxen way'', nds, Ossenpadd, literally: oxen path), sometimes referred to in English as the Ox Road, is the name given to an ancient trackway in Denmark and ...

is called in Germany. West of it and much more in the marshes west of

Tetenhusen Tetenhusen ( da, Tetenhuse) is a municipality in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populou ...

, the course of the river underwent great changes since the early 17th century, due to the cultivation efforts of Dutch settlers. Parts of the old course have disappeared, but a significant rest, up river cut off the waterway and called Alte Sorge, is a natural reserve, now.

See also