Vydra (river)
| Vydra | |
|---|---|
| The Vydra in Modrava | |
| Location | |
| Country | Czech Republic | 
| Region | Plzeň | 
| Physical characteristics | |
| Source | |
| • location | Modrava, Bohemian Forest | 
| • elevation | 1,210 m (3,970 ft) | 
| Mouth | |
|  • location | Otava | 
|  • coordinates | 49°6′35″N 13°29′32″E / 49.10972°N 13.49222°E | 
|  • elevation | 627 m (2,057 ft) | 
| Length | 23.7 km (14.7 mi) | 
| Basin size | 146.2 km2 (56.4 sq mi) | 
| Discharge | |
| • average | 4.13 m3/s (146 cu ft/s) near estuary | 
| Basin features | |
| Progression | Otava→ Vltava→ Elbe→ North Sea | 
The Vydra (German: Widra) is a river in the Czech Republic. It flows through the Plzeň Region. It is the upper course of the Otava, but usually is considered a separate river. Until its confluence with the Křemelná, when it further continues as the Otava, the Vydra is 23.7 km (14.7 mi) long.