Natzschung

Natzschung
Valley of Natzschung river between Rübenau and Rothental.
Country	Czech Republic; Saxony, Germany
Physical characteristics
Main source	near Načetín 820 m (2,690 ft) 50°33′01″N 13°16′12″E / 50.5502°N 13.2700°E / 50.5502; 13.2700
River mouth	Flöha, Olbernhau 468 m (1,535 ft) 50°39′03″N 13°22′13″E / 50.6508°N 13.3702°E / 50.6508; 13.3702Coordinates: 50°39′03″N 13°22′13″E / 50.6508°N 13.3702°E / 50.6508; 13.3702
Length	16.5 km (10.3 mi)
Basin features
Progression	Flöha – Zschopau – Freiberger Mulde – Mulde – Elbe – North Sea
River system	Elbe
Basin size	80.3 km2 (31.0 sq mi)

Natzschung (Czech: Načetínský potok) is a river in Bohemia (Czech Republic) and Saxony (Germany). It is a left tributary of the Flöha, which it joins in Olbernhau. For much of its length it forms the border between Czech Republic and Germany.