Tyrka
BW
Template: Infobox River / Obsolete
The Tyra, even Tyrka, is a left tributary of the Olsa in the Czech Republic.
Course
The Tyra rises on the northern slope of Kaluzny ( 993 m) in the Moravian- Silesian Beskids. At its predominantly to the north, z.T. Also to the northeast, leading to a deep wooded valley running through the mountains lie the settlements Biernač, Thu Lodra, Tyra and Podgrúň. There, the river reaches the Beskidenvorland and flows over Oldrichovice, Závist and Canada to 13.1 kilometers over the steel plant in Třinec the Olsa.
Inflows
- Tyrka ( l), Závist
- Javorový Potok ( l), Závist
- Canada, ( l ), Canada