Smědá
The Smědá is a river in the Czech Republic and Poland, a right tributary of the Lusatian Neisse River. It flows through the Liberec Region in the Czech Republic and then through Lower Silesian Voivodeship. Together with the Bílá Smědá, which is its main source, the Smědá is long. Without the Bílá Smědá, it is long.
Etymology
The initial name of the river was Wietev, derived from the Slavic word for 'branch'. The oldest mention of Wietev is from 1539. The German name Wittig was derived from this name. In 1951, the German name was replaced by Witka in Poland. The modern Czech name Smědá is derived from the dark water which flows out of the peat bogs.Characteristic
The Smědá originates as Bílá Smědá in peat pogs in the territory of Hejnice in the Jizera Mountains at an elevation of exactly. After it merges with the stream Černá Smědá and further continues as Smědá. It flows to Radomierzyce, where it enters the Lusatian Neisse River at an elevation of. Its total length is. Without the Bílá Smědá, the Smědá is long, of which is in the Czech Republic. About forms the Czech-Polish state border. The drainage basin has an area of, of which is in the Czech Republic.The sources and longest tributaries of the Smědá are:
| Tributary | Length | Side |
| Řasnice | 18.3 | right |
| Lomnice | 17.0 | right |
| Bulovský potok | 15.4 | right |
| Sloupský potok | 9.8 | left |
| Bílá Smědá | 3.4 | – |
| Černá Smědá | 2.5 | right |