| Mrlina | |
|---|---|
 The Mrlina in Kopidlno | |
 | |
| Location | |
| Country | Czech Republic |
| Regions | |
| 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 |
• 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.