The Osobłoga (Czech: Osoblaha, German: Hotzenplotz) 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 65.5 km (40.7 mi) long.

Osobłoga
Osoblaha
The Osobłoga in Krapkowice
Map
Location
Countries
Region/
Voivodeship
Physical characteristics
Source 
  locationPetrovice, Zlatohorská Highlands
  coordinates50°12′42″N 17°25′25″E / 50.21167°N 17.42361°E / 50.21167; 17.42361
  elevation743 m (2,438 ft)
Mouth 
  location
Oder
  coordinates
50°28′33″N 17°58′15″E / 50.47583°N 17.97083°E / 50.47583; 17.97083
  elevation
158 m (518 ft)
Length65.5 km (40.7 mi)
Basin size
921.1 km2 (355.6 sq mi)
Discharge 
  average2.08 m3/s (73 cu ft/s) on the Czech-Polish border
Basin features
Progression‹See Tfd› OderBaltic Sea

Etymology

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The origin of the name is unclear.[1] The name is of pre-Slavic origin and there is a theory that name may be derived from the root as-, meaning 'dry'.[2]

Characteristic

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The Osobłoga originates in the territory of Petrovice in the Zlatohorská Highlands at an elevation of 743 m (2,438 ft) and flows to Krapkowice, where it merges with the Oder River at an elevation of 158 m (518 ft). It is 65.5 km (40.7 mi) long, of which 36.1 km (22.4 mi)[3] is in the Czech Republic. Its drainage basin has an area of 921.1 km2 (355.6 sq mi), of which 758 km2 (293 sq mi) is in Poland[4] and 163.1 km2 (63.0 sq mi) is in the Czech Republic.[5]

The longest tributaries of the Osobłoga are:[3]

TributaryLength (km)Side
Prudnik / Prudník36.1left
Biała35.2left
Hrozová / Grozowy19.9right
Mušlov13.9right
Lužná11.5right

Course

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Upper course of the Osobłoga in Jindřichov

The river flows through the municipal territories of Petrovice, Janov, Jindřichov, Vysoká, Dívčí Hrad, Bohušov and Osoblaha in the Czech Republic and through the territories of the gminas of Głogówek, Głubczyce, Strzeleczki and Krapkowice in Poland.

Bodies of water

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There are no fishponds or reservoirs built on the Osobłoga.[6]

Fauna

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Among the protected animal species living in the Osobłoga are the common minnow, Alpine bullhead and brook lamprey. The river is a nesting place for the common kingfisher.[6]

See also

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References

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  1. Spal, Jaromír (1981). "Místní jména na Moravě a ve Slezsku II". Naše řeč (in Czech). Institute of the Czech Language. Retrieved 2024-10-17.
  2. Blažek, Václav (2010-10-07). "Etymological analysis of toponyms from Ptolemy's Description of Central Europe" (PDF). Ulster University. p. 34. Retrieved 2024-10-17.
  3. 1 2 "Vodní toky". Evidence hlásných profilů (in Czech). Czech Hydrometeorological Institute. Retrieved 2025-08-18.
  4. "Prognoza oddziaływania na środowisko Programu Oschrony Środowiska dla Gminy Głubczyce na lata 2022-2025 z perspektywą do 2029 roku.pdf" (in Polish). Gmina Głubczyce. 2021. p. 16. Retrieved 2024-10-17.
  5. "I.2.1a – Útvary povrchových vod kategorie "řeka"" (PDF). Charakteristiky dílčího povodí Horní Odry (in Czech). Povodí Odry, s.p. Retrieved 2024-10-17.
  6. 1 2 "Osoblaha". Atlas vodních toků povodí Odry (in Czech). Povodí Odry, s.p. Retrieved 2024-10-17.
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