Obra (river)
The 883rd longest river in the world
The Obra is a river in west Poland, a left tributary of the Warta river (in Skwierzyna), 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.
Flows through: Poland.
River data from Wikidata (CC0); lengths normalised to a common unit.