The Smědá (, german: Wittig, pl, Witka) is a river of the
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
and
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
. A right tributary of the
Neisse
The Lusatian Neisse (german: Lausitzer Neiße; pl, Nysa Łużycka; cs, Lužická Nisa; Upper Sorbian: ''Łužiska Nysa''; Lower Sorbian: ''Łužyska Nysa''), or Western Neisse, is a river in northern Central Europe.Předlánce – aktuální vodní stav. Tok: Smědá ''Českého hydrometeorologického ústavu'', 2011.
The river flows out of the three streams in the
Jizera Mountains
Jizera Mountains ( cz, Jizerské hory), or Izera Mountains ( pl, Góry Izerskie; german: Isergebirge), are part of the Western Sudetes on the border between the Czech Republic and Poland. The range got its name from the Jizera River, which rises a ...
: Bílá Smědá, Černá Smědá, and Hnědá Smědá, in the Czech Republic. The main of those is considered Bílá Smědá emerging from the peat bogs between Smědavská and Jizera mountains. From the village of Ostróżno to the mouth of the stream Boreczek it is a border river, flows through Niedów Lake (Witka Lake), and escapes to the Neisse River next to the palace in the village Radomierzyce.
The final section of the river within the limits of the Czech Republic creates a nature reserve Smědé Meanders (Witka Meanders) to protect the natural landscape of the river valley, rich vegetation and wetland meanders riparian forests.
In Poland the name Witka was officially introduced in 1951, replacing the German name Wittig.