Hamme (river)

The Hamme is a 48 km long river in Germany, Lower Saxony, north-east of Bremen. Its source is north of Osterholz-Scharmbeck. It flows through the moors north-east of Bremen called Teufelsmoor (German for dead moor<!-- Although Teufel means devil, this is not the origin of the moor's name -->), and meets the river Wümme in Ritterhude. From this junction, the river is called Lesum. The Lesum flows into the river Weser in Bremen-Vegesack.

On the river Hamme there are many water-sport clubs, for example the Wassersportclub Hamme e.V. (watersports-club Hamme), the Ruder-Verein Osterholz-Scharmbeck von 1901 e.V. (Rowing Club Osterholz-Scharmbeck since 1901) and the Segel Club Hamme e.V. (Sailing Club Hamme).

Course

The upper reaches of the Hamme are called the Giehler Bach (Giehl Stream). The Giehler Bach originates in the heathland of the Lange Heide northeast of Osterholz-Scharmbeck, a geest plateau at a height of about , which is also the source of many other geest streams (such as the Drepte, Scharmbecker Bach, Schönebecker Aue and Wienbeck). The sport designated as the "source" is the outlet of several drainage ditches on the plateau which is used for farming.

From this geest ridge, a terminal moraine from the Saale glaciation, the Giehler Bach flows northeastwards and descends within a few kilometers between the villages of Hülseberg and Freißenbüttel to a height about 15 m above sea level (NN). Near Ohlenstedt it is joined by waters from the......
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