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Blanice[*][[Blanice (river in the Czech Republic, tributary of Otava)|]][1], Lomnice[*][[Lomnice (river in Czechia)|]][1], Vydra[*][[Vydra (river in the Czech Republic)|]], Volyňka[*][[Volyňka (river in the Czech Republic)|]][1], Losenice[*][[Losenice (stream in Klatovy and Prachatice Districts)|]][1], Novosedelský potok[*][[Novosedelský potok (stream in Klatovy and Strakonice Districts)|]][1], Nezdický potok[*][[Nezdický potok (stream in Klatovy District, Plzeň Region, Czech Republic)|]], Cehnický potok[*][[Cehnický potok (stream in Písek and Strakonice Districts)|]][1], Řepický potok[*][[Řepický potok (stream in Strakonice District)|]][1], Brložský potok[*][[Brložský potok (stream in the Czech Republic)|]], Černíčský potok[*][[Černíčský potok (stream in Klatovy District)|]], Ostružná[*][[Ostružná (river in the Czech Republic)|]], Volšovka[*][[Volšovka (river in the Czech Republic)|]], Křemelná[*][[Křemelná (river in the Czech Republic)|]], Ostružná[*][[Ostružná (river in the Czech Republic)|]][1], Brložský potok[*][[Brložský potok (stream in the Czech Republic)|]][1], Radešovský potok[*][[Radešovský potok (stream in Klatovy District)|]][1], Březový potok[*][[Březový potok (stream in Czechia, tributary of the Otava)|]][1], Černíčský potok[*][[Černíčský potok (stream in Klatovy District)|]][1], Nezdický potok[*][[Nezdický potok (stream in Klatovy District, Plzeň Region, Czech Republic)|]][1], Zlivický potok[*][[Zlivický potok (stream in Písek District)|]][1], Pěkný potok[*][[Pěkný potok (stream in Klatovy District)|]][1], Volšovka[*][[Volšovka (river in the Czech Republic)|]][1], Opolenecký potok[*][[Opolenecký potok (stream in Klatovy District)|]][1], Zorkovický potok[*][[Zorkovický potok (stream in Strakonice District)|]][1], Račí potok[*][[Račí potok (stream in Klatovy District, Plzeň Region, Czech Republic)|]][1], Kolčavka[*][[Kolčavka (stream in Strakonice District)|]][1], Divišovský potok[*][[Divišovský potok (stream in Klatovy District)|]][1], Veřechovský potok[*][[Veřechovský potok (stream in Klatovy and Strakonice Districts)|]][1], Mehelnický potok[*][[Mehelnický potok (stream in Písek District)|]][1], Dvorský potok[*][[Dvorský potok (stream in Strakonice District, South Bohemian Region, Czech Republic)|]][1], Podmokelský potok[*][[Podmokelský potok (stream in Klatovy District)|]][1], Řežabinecký potok[*][[Řežabinecký potok (stream in Písek District)|]][1], Rohozná[*][[Rohozná (stream in Strakonice District, South Bohemian Region, Czech Republic)|]][1], Vítkovský potok[*][[Vítkovský potok (stream in Písek District, South Bohemian Region, Czech Republic)|]][1], Jiher[*][[Jiher (stream in Písek District, South Bohemian Region, Czech Republic)|]][1], Drachkovský potok[*][[Drachkovský potok (stream in Strakonice District)|]][1], Dobrá voda[*][[Dobrá voda (stream in Písek District, South Bohemian Region, Czech Republic)|]][1], náhon z Otavy[*][[náhon z Otavy (stream in Klatovy District)|]][1], Nezamyslický potok[*][[Nezamyslický potok (stream in Klatovy District, Plzeň Region, Czech Republic)|]][1], Luční potok[*][[Luční potok (stream in Klatovy District)|]][1], Rýžovní potok[*][[Rýžovní potok (stream in Klatovy District, Plzeň Region, Czech Republic)|]][1], Vítkovský potok[*][[Vítkovský potok (stream in Písek and Strakonice Districts)|]][1], Mlýnský potok[*][[Mlýnský potok (stream in Klatovy District)|]][1], Vrcovický potok[*][[Vrcovický potok (stream in Písek District)|]][1]
Otava (germanăWottawa) este un afluent al Vltavaei, el are lungimea de 113 km. Râul, care are izvorul în Munții Pădurea Boemiei (germanăBöhmerwald; cehăŠumava) din Cehia, se formează prin unirea pâraielor Křemelná și Vydra, apoi curge spre est traversând orașele Sušice, Horažďovice, Strakonice și Písek, se varsă la cetatea Zvíkov în Vltava.