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Low riverside pastures of the Wümme near Bremen. During winter these are often flooded.
|Length||118 km (73 mi)|
The river's source is on the Wulfsberg in Lüneburg Heath. West of Rotenburg, it takes up the rivers Rodau and Wiedau. It merges with the Hamme by Wasserhorst (part of Blockland in Bremen), where the two rivers combine forming the Lesum.