Irserbach

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Irsenbach
upper course: Scharfenbach
Data
Water code DE : 27254
location Altenkirchen district ( Rhineland-Palatinate ) / Rhein-Sieg-Kreis ( North Rhine-Westphalia )
River system Rhine
Drain over Victory  → Rhine  → North Sea
source between Birnbach and Oberirsen
50 ° 42 ′ 40 ″  N , 7 ° 35 ′ 18 ″  E
Source height 285  m above sea level NHN
muzzle In Imhausen from the left into Sieg Coordinates: 50 ° 46 ′ 57 ″  N , 7 ° 37 ′ 42 ″  E 50 ° 46 ′ 57 ″  N , 7 ° 37 ′ 42 ″  E
Mouth height 126  m above sea level NHN
Height difference 159 m
Bottom slope 13 ‰
length 12.4 km
Catchment area 36.855 km²

The Irserbach or Irsenbach is a left tributary of the Sieg in southern North Rhine-Westphalia . Its highest source brook rises at 285  m above sea level. NHN , it empties at a height of 126 meters.

Rhineland-Palatinate

The wide headwaters of the Irserbach are located in Rhineland-Palatinate north of the watershed of the Westerwald , on which the B8 runs. Sources arise at Birnbach and Oberirsen-Marenbach, they flow to the main stream in Oberirsen and Oberirsen-Rimbach.

North Rhine-Westphalia

In Irsen , water from Ölsen flows into the brook in addition to the Kuchhausen brook . In Irsen there is still an old, functional mill, the Mittelirser Mühle , which is operated by a branched mill ditch .

From Irsen the valley of the Irser Bach forms the border between Rhineland-Palatinate and North Rhine-Westphalia until shortly before the Imhausen quarry . In addition to tributaries from Niederirsen and the Kocherscheider Bach , the Niederleuscheider Bach flows into Ehrenhausen along the L 312 . This state road also continues along the valley of the Irserbach. In Windeck- Imhausen , where the Löschbach still flows in, the Irserbach flows into the Sieg.

natural reserve

Large areas of the Irserbach were recently exposed again, renatured and planted with native trees.

Individual evidence

  1. ↑ Map service of the landscape information system of the Rhineland-Palatinate nature conservation administration (LANIS map) ( notes )
  2. ^ German basic map 1: 5000
  3. ↑ Topographical Information Management, Cologne District Government, Department GEObasis NRW ( Notes )
  4. ↑ GeoExplorer of the Rhineland-Palatinate Water Management Authority ( information )