The Mandau ( cs, Mandava) is a river in Bohemia (Czech Republic) and Saxony (Germany). It is a left tributary of the Lusatian Neisse, which it joins near Zittau. It originates from multiple Spring (hydrosphere), springs north of the 580.6m (1902 feet AMSL) Wolf Mountain (Czech: ''Vlčí hora'', German: ''Wolfsberg'') in the Šluknov Hook, which join in Panský (German: Herrnwalde) at 1690 feet above sea level. Coming from Zahrady (German: Gärten) another stream joins in Nové Křečany (Neu Ehrenberg). From there the Mandau flows in a southeasterly direction through Rumburk (Rumburg; Bohemia), Seifhennersdorf (Saxony, Upper Lusatia) and Varnsdorf (Warnsdorf; Bohemia). Afterwards it flows eastwards through another part of Upper Lusatia in which the Lausur joins in Großschönau, Saxony, Großschönau, from Hainewalde through the ' to Mittelherwigsdorf, where the Landwasser (Mandau), Landwasser joins, and finally it reaches Zittau where it flows east of the town 228 meters above sea level into the Lusatian Neisse.

See also