Kollbach (Danube)

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Kollbach
Data
Water code DE : 1598
location Bavarian forest

Bavaria

River system Danube
Drain over Danube  → Black Sea
source on the northern slope of the Vogelsang
48 ° 56 ′ 15 ″  N , 12 ° 56 ′ 46 ″  E
Source height approx.  920  m above sea level NHN
muzzle in Deggendorf from the left and north into the Danube Coordinates: 48 ° 49 ′ 42 "  N , 12 ° 57 ′ 8"  E 48 ° 49 ′ 42 "  N , 12 ° 57 ′ 8"  E
Mouth height approx.  312  m above sea level NHN
Height difference approx. 608 m
Bottom slope approx. 31 ‰
length 19.6 km
Catchment area 70.63 km²

The Kollbach is a left tributary to the Danube , which mostly flows in the Deggendorf district . Its main source is in the municipal area of Bernried , it crosses the south of Gotteszell ( Regen district ), the Graflinger Tal and flows into the Danube in the city ​​of Deggendorf on the left at about river kilometer 2049.28.

course

The Kollbach arises on the north side of the Vogelsang in the Bavarian Forest through the confluence of a total of 18 source streams (11 in the municipality of Bernried and 7 in the municipality of Gotteszell) over a distance of approx. 1.8 km and 260 meters above sea level. Having already reached the Grafling municipality, the stream flows between the hamlets of Mühlen and Bergern, 1.2 km eastwards to the north side of the Graflinger Valley. The Kollbach flows through this valley in full length and crosses under federal highway 11 a total of three times until it reaches the city of Deggendorf near Niederkandelbach. Most of the last 3.5 km of the stream no longer correspond to its natural course, the stream is mostly canalised.

Tributaries

  • The following brooks flow to the left of the Kollbach: Dattinger Bach, Hinterbach, Totenbach and Hammermühlbach
  • The following streams flow into the Kollbach on the right: Hirschberger Bach, Rohrwiesengraben, Eidsberger Bach and Tiefenbacher Bach
  • As well as several unnamed streams.

Remarkable

In the municipality of Grafling, the brook tunnels in an impressive way over a brook length of 178 m and a depth of 44 m under the Kohlbach dam, which was built in 1877 and is Germany's highest natural dam.

Individual evidence

  1. ↑ a b Directory of the brook and river areas in Bavaria - Naab to Isar river area of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.8 MB)