Mrlina
The Mrlina in Kopidlno
Location
Country	Czech Republic
Regions	Hradec Králové Central Bohemian
Physical characteristics
Source
• location	Markvartice, Jičín Uplands
• elevation	376 m (1,234 ft)
Mouth
• location	Elbe
• coordinates	50°11′10″N 15°2′56″E / 50.18611°N 15.04889°E / 50.18611; 15.04889
• elevation	183 m (600 ft)
Length	49.6 km (30.8 mi)
Basin size	656.7 km2 (253.6 sq mi)
Discharge
• average	1.62 m3/s (57 cu ft/s) near estuary
Basin features
Progression	Elbe→ North Sea

The Mrlina is a river in the Czech Republic, a right tributary of the Elbe River. It flows through the Hradec Králové and Central Bohemian regions. It is 49.6 km (30.8 mi) long.

Etymology

The river was originally named Mrdlina. The name of the river is derived from the Czech words mrlý and mdlý, meaning "slow", "faint".^[1]

Characteristic

The Mrlina originates in the territory of Markvartice in the Jičín Uplands at the elevation of 376 m (1,234 ft) and flows to Nymburk, where it enters the Elbe River at the elevation of 183 m (600 ft). The river is 49.6 km (30.8 mi) long. Its drainage basin has an area of 656.7 km² (253.6 sq mi).^[2]

The longest tributaries of the Mrlina are:

Flow

The largest town on the river is Nymburk. The river flows through the municipal territories of Markvartice, Střevač, Chyjice, Jičíněves, Kopidlno, Rožďalovice, Křinec, Vestec and Budiměřice, before joining the Elbe in Nymburk.

Bodies of water

There are 590 bodies of water in the basin area. The largest of them is the Zrcadlo fishpond with an area of 50 ha (120 acres).^[2] Several ponds are built on the upper course of the Mrlina.

Tourism

The Mrlina is suitable for river tourism during the spring when the rains raise the river level and during the summer when the ponds are drained. About 18 km (11 mi) of the river is navigable.^[3]