Lomná (river)

The Lomná (Polish: Łomna) is a river in the Czech Republic, a left tributary of the Olza. It flows through the Moravian-Silesian Region. It is 17.6 km (10.9 mi) long.

Lomná
The Lomná in Jablunkov
Location
Country	Czech Republic
Region	Moravian-Silesian
Physical characteristics
Source
• location	Horní Lomná, Moravian-Silesian Beskids
• elevation	973 m (3,192 ft)
Mouth
• location	Olza
• coordinates	49°34′45″N 18°45′51″E
• elevation	380 m (1,250 ft)
Length	17.6 km (10.9 mi)
Basin size	70.6 km2 (27.3 sq mi)
Discharge
• average	1.34 m3/s (47 cu ft/s) near estuary
Basin features
Progression	Olza→ Oder→ Baltic Sea

Etymology

The name is derived from the Slavic word lom, meaning 'turn', 'bend', but and earlier also 'clatter', 'rumble'. The name was first mentioned in 1592.^[1]

Characteristic

The Lomná in Dolní Lomná

The Lomná originates in the territory of Horní Lomná in the Moravian-Silesian Beskids at an elevation of 973 m (3,192 ft) and flows to Jablunkov, where it merges with the Olza River at an elevation of 380 m (1,250 ft). It is 17.6 km (10.9 mi) long.^[2] Its drainage basin has an area of 70.6 km² (27.3 sq mi). The average discharge at its mouth is 1.34 m3/s.^[3]

The longest tributaries of the Lomná are:^[2]

Tributary	Length (km)	Side
Ošetnice	9.3	right
Jestřabí	4.6	right

Course

The river flows through the municipal territories of Horní Lomná, Dolní Lomná, Mosty u Jablunkova, Bocanovice and Jablunkov.

Nature

Most of the river flows through the Beskydy Protected Landscape Area.

Among the protected species of fish living in the river are the common minnow and alpine bullhead. Part of the river is a hunting ground for Eurasian otter, also protected within the Czech Republic.^[4]

See also

• List of rivers of the Czech Republic