Wumme River

General data
- Water type: River
- Progression: Lesum River -> Weser -> Wadden Sea -> North Sea -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Germany
Description
Wümme is a 121 km long river in northern Germany, in the states Lower Saxony and Bremen, marking the border between the two states for part of its course. It is the main headstream of the Lesum.