Friedberger Ach

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Friedberger Ach
Friedberger Ach bei Thierhaupten 1.jpg
The Friedberger Ach about 3.5 km before Thierhaupten
LocationBavaria,  Germany
Reference no.DE: 1312
Physical characteristics
 ⁃ locationnear Penzing-Untermühlhausen
 ⁃ coordinates48°05′10″N 10°54′19″E / 48.08611°N 10.90528°E / 48.08611; 10.90528
 ⁃ elevationca. 600 m
 ⁃ location
near Rennertshofen-Stepperg into the Danube
 ⁃ coordinates
48°44′15″N 11°03′42″E / 48.7375°N 11.061528°E / 48.7375; 11.061528Coordinates: 48°44′15″N 11°03′42″E / 48.7375°N 11.061528°E / 48.7375; 11.061528
 ⁃ elevation
ca. 385 m
Length100.4 km (62.4 mi) [1]
Basin size598 km2 (231 sq mi) [1]
Basin features
ProgressionDanubeBlack Sea
 ⁃ rightAffinger Bach, Kleine Paar

The Friedberger Ach is a river in Bavaria, Germany. It is a right tributary of the Danube. Its source is in the village Untermühlhausen, northeast of Landsberg am Lech. For most of its length it flows parallel to the river Lech at only a few km distance. Towns along the Friedberger Ach include Weil, Prittriching, Mering, Friedberg, Rehling, Thierhaupten and Rain. After Rain, the Friedberger Ach flows east, parallel to the Danube, and joins the Danube near Oberhausen.


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