Breg (river)

Breg
The source of the Breg is the geographical source of the Danube and is a protected monument
Location
CountryGermany
StateBaden-Württemberg
DistrictSchwarzwald-Baar-Kreis
Reference no.DE: 1111
Physical characteristics
Source 
  locationSt. Martin's Chapel, 6 km northwest of Furtwangen
  coordinates48°05′43″N 8°09′18″E / 48.0953361°N 8.1549111°E / 48.0953361; 8.1549111
  elevation1,078 m above sea level (NN)
Mouth 
  location
Confluence: with the Brigach to form the Danube east of Donaueschingen
  coordinates
47°57′04″N 8°31′14″E / 47.9509944°N 8.5204778°E / 47.9509944; 8.5204778
  elevation
ca. 672 m above sea level (NN)
Length46.153 km
Basin size291.488 km²
Discharge 
  locationat Donaueschingen gauge
  average5.95 m³/s
Basin features
ProgressionDanubeBlack Sea
LandmarksSmall towns: Furtwangen, Vöhrenbach, Bräunlingen, Hüfingen, Donaueschingen

The Breg is a river, 46 kilometres long, in Baden-Württemberg, Germany, and the primary headstream of the Danube.