Rotbach (Dreisam)

Rotbach
The Rotbach in the Höllental valley, where it is also known as the Höllenbach
Location
CountryGermany
StateBaden-Württemberg
Reference no.DE: 23388
Physical characteristics
Source 
  locationNear Hinterzarten-Oberzarten above the Mathisleweiher
  coordinates47°53′07″N 8°05′07″E / 47.88528°N 8.08528°E / 47.88528; 8.08528
  elevationca. 1,085 m above sea level (NN) 
Mouth 
  location
Confluence of the Rotbach and Wagensteigbach to form the Dreisam near Kirchzarten
  coordinates
47°58′27″N 7°57′38″E / 47.974250°N 7.96056°E / 47.974250; 7.96056
  elevation
ca. 377 m above sea level (NN)
Length19.9 km
Basin size48.6 km²
Basin features
ProgressionDreisamElzRhineNorth Sea
LandmarksVillages: Hinterzarten, Buchenbach und Kirchzarten
WaterbodiesReservoirs: Mathisleweiher

The Rotbach (in its upper reaches it is called the Zartenbach and Löffeltalbach, in its middle section, the Höllenbach) is the 19.9-kilometre-long, left-hand and southeasterly headstream of the Dreisam in the Southern Black Forest in the south German state of Baden-Württemberg.