The Osobà Âoga (, ) is a river in the Czech Republic and Poland, a left tributary of the Oder. It flows through the Moravian-Silesian Region in the Czech Republic and through the Opole Voivodeship in Poland. It is long.
The origin of the name is unclear. The name is of pre-Slavic origin and there is a theory that name may be derived from the root as-, meaning 'dry'.
The Osobà Âoga originates in the territory of Petrovice in the Zlatohorská Highlands at an elevation of and flows to Krapkowice, where it merges with the Oder River at an elevation of . It is long, of which is in the Czech Republic. Its drainage basin has an area of , of which is in Poland and is in the Czech Republic.
The longest tributaries of the Osobà Âoga are:
The river flows through the municipal territories of Petrovice, Janov, Jindà Âichov, Vysoká, DÃÂvÃÂàHrad, Bohuà ¡ov and Osoblaha in the Czech Republic and through the territories of the gminas of Gà Âogówek, Gà Âubczyce, Strzeleczki and Krapkowice in Poland.
There are no fishponds or reservoirs built on the Osobà Âoga.
Among the protected animal species living in the Osobà Âoga are the common minnow, Alpine bullhead and brook lamprey. The river is a nesting place for the common kingfisher.