The Luà ¾niÃÂka () is a stream in the Czech Republic and Germany, a right tributary of the Mandau River. It flows through the ÃÂstànad Labem Region and through Saxony. It is long.
The Luà ¾niÃÂka originates in the territory of Krásná LÃÂpa in the Lusatian Mountains, at an elevation of . It flows to GroÃÂschönau, where it merges with the Mandau River at an elevation of . It is long, of which is in the Czech Republic. Its drainage basin has an area of , of which is in the Czech Republic.
Tributaries include only small brooks. The longest tributaries of the Luà ¾niÃÂka are:
Most of the river bed is significantly modified and bank stabilization is carried out. The Luà ¾niÃÂka flows through the municipal territories of Krásná LÃÂpa, Rybnià ¡tÃÂ, HornàPodluà ¾ÃÂ, DolnàPodluà ¾Ã and GroÃÂschönau.
On the upper course of the stream is built the fishpond Velký rybnÃÂk. It has an area of . The pond and its surroundings is protected as the Velký rybnÃÂk Nature Reserve on an area of . The area of wetlands, reedbeds, waterlogged meadows and wet forest is an important migration route for migratory birds. More than 170 bird species were documented there.