Hollandse IJssel

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Hollandse IJssel
Country Netherlands
States South Holland, Utrecht
Source Merwede Canal
 - location Nieuwegein, Utrecht
 - coordinates 52°01′57″N 5°05′27″E / 52.03250°N 5.09083°E / 52.03250; 5.09083
Mouth Nieuwe Maas
 - location Rotterdam, South Holland
 - coordinates 51°54′29″N 4°33′40″E / 51.90806°N 4.56111°E / 51.90806; 4.56111Coordinates: 51°54′29″N 4°33′40″E / 51.90806°N 4.56111°E / 51.90806; 4.56111
Length 46 km (29 mi)
Location Hollandse IJssel.PNG
Location of Hollandse IJssel in dark blue.

The Hollandse (or Hollandsche) IJssel ("Holland IJssel", as opposed to the 'regular' or Gelderland IJssel) is a branch of the Rhine delta that flows westward from Nieuwegein on river Lek through IJsselstein, Gouda and Capelle aan den IJssel to Krimpen aan den IJssel, where it ends in the Nieuwe Maas. Another branch called Enge IJssel ("Narrow IJssel") flows southwest from Nieuwegein. The name IJssel is thought to derive from the Germanic i sala, meaning "dark water". Originally, the Hollandse IJssel forked off from river Lek at Nieuwegein, but the connection was cut off with the Hollandse IJssel nowadays only draining the surrounding pastures.

The first part of the Delta Works sea protection constructions was built at the mouth of the Hollandse IJssel in 1957.

Satellite image of Utrecht metro area showing the upper stretch of the Hollandse IJssel (f).
Satellite image of the northwestern part of the Rhine-Meuse delta showing the lower stretch of river Hollandse IJssel (m).

See also[edit]