Biebrza River

General data
- Water type: River
- Progression: Narew -> Vistula -> Baltic sea -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Poland
Description
The Biebrza is a river in northeastern Poland, a tributary of the Narew River, with a length of 164 kilometers and a basin area of 7,092 km2.