Otava (river)

Otava
The Otava in Písek
Location
CountriesCzech Republic
Regions
Physical characteristics
SourceVydra
  locationModrava, Bohemian Forest
  elevation975 m (3,199 ft)
Mouth 
  location
Vltava
  coordinates
49°1′30″N 13°29′47″E / 49.02500°N 13.49639°E / 49.02500; 13.49639
  elevation
348 m (1,142 ft)
Length134.8 km (83.8 mi)
Basin size3,826.9 km2 (1,477.6 sq mi)
Discharge 
  average26.0 m3/s (920 cu ft/s) near estuary
Basin features
ProgressionVltavaElbeNorth Sea

The Otava (German: Wottawa) is a river in the Czech Republic, a left tributary of the Vltava River. It flows through the Plzeň and South Bohemian regions. It is formed by the confluence of the Vydra and Křemelná rivers. Together with the Vydra, which is its main source, the Otava is 134.8 km (83.8 mi) long, making it the 13th longest river in the country. Without the Vydra, it is 111.7 km (69.4 mi) long.