| Lomná Łomna |
|
|---|---|
Lomná in Dolní Lomná |
|
| Origin | Moravian-Silesian Beskids |
| Mouth | Olza River |
| Basin countries | Czech Republic |
| Length | 17.5 km |
| Source elevation | 870 m |
| Avg. discharge | 1.49 m³/s near estuary |
| Basin area | 70.6 km² |
(Polish: , Cieszyn Silesian: ') also known as (Polish: , Cieszyn Silesian: ) is a 17 kilometres (11 mi)-long river in Frýdek-Místek District, Moravian-Silesian Region, Czech Republic, in the historical region of Cieszyn Silesia.
It is the left tributary of the Olza River, to which it enters in Jablunkov (Jabłonków). It originates near the border with Slovakia and flows through the villages of Horní Lomná (Łomna Górna) , Dolní Lomná (Łomna Dolna) and Bocanovice (Boconowice).