Wkra is a river in north-eastern Poland, a tributary of the Narew river, with a length of 255 kilometres and a basin area of 5,348 km2 – all within Poland. Among its tributaries are the Łydynia and the Płonka.
Wkra is a river in north-eastern Poland, a tributary of the Narew river, with a length of 255 kilometres and a basin area of 5,348 km2 – all within Poland. Among its tributaries are the Łydynia and the Płonka.
