Ohre

The Ohře (German: Eger, Czech also: Oharka or Ohara, Celtic: Agara, Polish: Ohrza) is a 316 km long river in Germany (65 km) and the Czech Republic (251 km), left tributary of the Elbe. The basin area of the river has a size of 6,255 km², of which 5,614 km² are in the Czech Republic and 641 km² in Germany. It's the third biggest river in the Czech republic.