Rotach

The Rotach is a 39-kilometre-long (24 mi) tributary of Lake Constance, which drains to the Rhine, in the German state of Baden-Württemberg. The river source is near the municipality of Wilhelmsdorf. It flows southward through Horgenzell and Oberteuringen before emptying into Lake Constance at the city of Friedrichshafen.

Rotach
The Rotach at Friedrichshafen
Location
Country	Germany
State	Baden-Württemberg
Physical characteristics
Source
• elevation	620 m (2,030 ft)
Mouth
• location	Lake Constance
• coordinates	47°38′59″N 9°29′43″E
• elevation	395 m (1,296 ft)
Length	39.4 km (24.5 mi)[1]
Basin size	136 km2 (53 sq mi)[1]
Basin features
Progression	Rhine→ North Sea