Wiehl River (Agger tributary)

General data
- Water type: River
- Progression: Agger River -> Sieg River -> Rhine -> Waal -> Upper Merwede (Boven Merwede) -> Lower Merwede (Beneden Merwede) -> Old Meuse (Oude Maas) -> Het Scheur -> Nieuwe Waterweg (New Waterway) -> North Sea -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Germany
Description
The Wiehl is a 33.6-kilometre-long left tributary of the River Agger in the German state of North Rhine-Westphalia. It is the longest river situated entirely within the county of Oberbergischer Kreis and the third longest tributary of the Agger.