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Erftmühlengraben seen from Wierstraetweg

Erftmühlengraben seen from Wierstraetweg

location Lower Rhine lowlands

North Rhine-Westphalia

River system Rhine
Drain over Rhine  → North Sea
Branch from Obererft to the left at the Stadthalle Neuss
51 ° 11 ′ 35 ″  N , 6 ° 41 ′ 52 ″  E
Source height below  37  m above sea level NHN
muzzle underground in basin I of Neusser Hafen Coordinates: 51 ° 12 ′ 8 ″  N , 6 ° 41 ′ 36 ″  E 51 ° 12 ′ 8 ″  N , 6 ° 41 ′ 36 ″  E
Mouth height 30.2  m
Height difference 6.8 m
Bottom slope approx. 3.8 ‰
length approx. 1.8 km

The Erftmühlengraben is a canal around the historic old town of Neuss . It was once located between two rings of city walls.

It branches off from the Obererft in the eastern part of the New City Garden between the City Hall and the Rosengarten to the left and northwest. It runs along the Wierstraetweg with the Alte Post and the Hamtorwall. The open run ends at the place at the Niedertor.

According to a historical city map from 1920, it then turns underground to the right and flows between Hafenstrasse and what was then Rheinwallstrasse to Basin I of the Neusser Hafen . Overall, it has a length of around 1.8 km and an absolute gradient of less than 7 meters in altitude, i.e. less than 4 ‰ mean bed gradient .

The canal and its catchment area are located in the sub-area Neusser terrace strip (!) Of the natural area Middle Lower Rhine Plain in the Lower Rhine lowlands .

Individual evidence


Official online map with a suitable excerpt: Open Erftmühlengrabenlauf in Neuss
General introduction without presettings: Topographical Information Management, Cologne District Government, Department GEObasis NRW ( information )

  1. Source height according to the contour line image with higher magnification.
  2. Muzzle height after the height marking for the harbor basin I.
  3. Length measured from branch to harbor basin I with the underground route according to the historical map from 1920.


  1. Underground underflow and estuary according to an easted city ​​map of Neuss from 1920.
  2. "An informative ditch" , of January 29, 2008.
  3. ^ Karlheinz Paffen, Adolf Schüttler, Heinrich Müller-Miny: Geographical land survey: The natural space units on sheet 108/109 Düsseldorf / Erkelenz. Federal Institute for Regional Studies, Bad Godesberg 1963. →  Online map (PDF; 7.1 MB)