Opava (river)

Opava
The Opava in Kravaře
Location
Countries
Regions/
Voivodeships
Physical characteristics
SourceČerná Opava
 • locationZlaté Hory, Hrubý Jeseník
 • elevation1,062 m (3,484 ft)
Mouth 
 • location
Oder
 • coordinates
49°50′1″N 18°13′17″E / 49.83361°N 18.22139°E / 49.83361; 18.22139
 • elevation
207 m (679 ft)
Length129.1 km (80.2 mi)
Basin size2,088.8 km2 (806.5 sq mi)
Discharge 
 • average17.6 m3/s (620 cu ft/s) near estuary
Basin features
ProgressionOderBaltic Sea

The Opava (Polish: Opawa, German: Oppa) is a river in the Czech Republic, a left tributary of the Oder River. It partly forms partly forms the Czech-Polish state border. It flows through the Moravian-Silesian Region in the Czech Republic and along the Opole Voivodeship in Poland. It is formed by the confluence of the Černá Opava and Střední Opava streams. Together with the Černá Opava, which is its main source, the Opava is 129.1 km (80.2 mi) long, which makes it the 15th longest river in the country. Without the Černá Opava, it is 110.7 km (68.8 mi) long.