- Tyrka
Infobox River
river_name = Tyrka
caption =
origin =Moravian-Silesian Beskids
mouth =Olza River
basin_countries =Czech Republic
length = 13 km
elevation = 835 m
discharge = 0.65 m³/s near estuary
watershed = 31 km²Audio|Tyrka.ogg|Tyrka (Polish: Audio-nohelp|Tyrka.ogg|"Tyrka") (also known as Tyra) is a 13 km long creek in
Frýdek-Místek District ,Moravian-Silesian Region ,Czech Republic , in the historical region ofCieszyn Silesia .It is the left tributary of the
Olza River , to which it enters inTřinec . It originates in theMoravian-Silesian Beskids in the elevation of 835 m and flows generally northward through the villages of Tyra and Oldřichovice. Tyrka also flows through the territory of theTřinec Iron and Steel Works before joining Olza.References
* cite book
last = Cicha
first = Irena
coauthors = Kazimierz Jaworski, Bronisław Ondraszek, Barbara Stalmach and Jan Stalmach
title = Olza od pramene po ujście
publisher = Region Silesia
year = 2000
location = Český Těšín
pages = p. 16, 18
doi =
isbn = 80-238-6081-X
Wikimedia Foundation. 2010.