Obra River

General data
- Water type: River
- Progression: Warta -> Oder -> Baltic sea -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Poland
Description
Obra is a river in west Poland, a left tributary of the Warta river, with a length of 171 kilometres and a basin area of 2,760 km2. The river is popular with canoe and kayak enthusiasts and an established canoe trail exists.