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The Bregenzer Ach (also: Bregenzer Ache) is the main river of the Bregenz Forest, in the Austrian state of Vorarlberg. It is a tributary to Lake Constance, which is drained by the Rhine.

Bregenzer Ach
Hard Rhein BregenzerAche.JPG
Bregenzer Ache (right) enters Lake Constance east of the Alpenrhein in Hard
Location
CountryAustria
Physical characteristics
Source 
 ⁃ locationMohnenfluh in the Bregenz Forest Mountains near Schröcken
 ⁃ elevation2,400 m (7,900 ft)
Mouth 
 ⁃ location
Lake Constance at Hard
 ⁃ coordinates
47°30′12″N 9°41′37″E / 47.50333°N 9.69361°E / 47.50333; 9.69361Coordinates: 47°30′12″N 9°41′37″E / 47.50333°N 9.69361°E / 47.50333; 9.69361
 ⁃ elevation
395 m (1,296 ft)
Length67.0 km (41.6 mi) [1]
Basin size832 km2 (321 sq mi) [1]
Basin features
ProgressionRhineNorth Sea
Tributaries 
 ⁃ rightWeißach, Subersach
Bregenzer Ache between Mellau and Bezau

ReferencesEdit

  1. ^ a b Complete table of the Bavarian Waterbody Register by the Bavarian State Office for the Environment (xls, 10.3 MB)