The Hollandse IJssel is a branch of the Rhine delta

River delta

A delta is a landform that is formed at the mouth of a river where that river flows into an ocean, sea, estuary, lake, reservoir, flat arid area, or another river. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river...

 that flows westward from Nieuwegein

Nieuwegein

Nieuwegein is a municipality and city in the Dutch province of Utrecht. It is bordered on the north by the city of Utrecht, the provincial capital...

 on river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 Lek

Lek River

The Lek is a river in the western Netherlands of some 60 km in length. It is the continuation of the Nederrijn after the Kromme Rijn branches off at the town of Wijk bij Duurstede. The main westbound waterway is hereafter called the Lek River...

 through IJsselstein

IJsselstein

IJsselstein is a municipality and a town in the Netherlands, in the province of Utrecht. IJsselstein received city rights in 1331. IJsselstein owes its name to the river Hollandse IJssel which flows through the city....

, Gouda

Gouda

Gouda is a city and municipality in the western Netherlands, in the province of South Holland. Gouda, which was granted city rights in 1272, is famous for its Gouda cheese, smoking pipes, and 15th-century city hall....

 and Capelle aan den IJssel

Capelle aan den IJssel

Capelle aan den IJssel is a town and municipality in the western Netherlands, in the province of South Holland. The municipality had a population of 65,605 in 2005, and covers an area of 15.42 km² of which 1.13 km² is water...

 to Krimpen aan den IJssel

Krimpen aan den IJssel

Krimpen aan den IJssel is a town and municipality in the western Netherlands, in the province of South Holland. The municipality had a population of 28800 in 2006, and covers an area of 8.93 km² of which 1.10 km² is water....

, where it ends in the Nieuwe Maas

Nieuwe Maas

The Nieuwe Maas distributary of the Rhine River, and a former distributary of the Maas River, in the Dutch province of South Holland. It runs from the confluence of the rivers Noord and Lek, and flows west through Rotterdam. It ends west of the city where it meets the Oude Maas , near Vlaardingen,...

. Another branch called Enge IJssel ("Narrow IJssel") flows southwest from Nieuwegein. The name IJssel is thought to derive from the Germanic

Germanic languages

The Germanic languages constitute a sub-branch of the Indo-European language family. The common ancestor of all of the languages in this branch is called Proto-Germanic , which was spoken in approximately the mid-1st millennium BC in Iron Age northern Europe...

 i sala, meaning "dark water

Water

Water is a chemical substance with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state . Water also exists in a...

". 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 pasture

Pasture

Pasture is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep or swine. The vegetation of tended pasture, forage, consists mainly of grasses, with an interspersion of legumes and other forbs...

s.

The first part of the Delta Works

Delta Works

The Delta Works is a series of construction projects in the southwest of the Netherlands to protect a large area of land around the Rhine-Meuse-Scheldt delta from the sea. The works consist of dams, sluices, locks, dikes, levees, and storm surge barriers...

 sea protection constructions was built at the mouth of the Hollandse IJssel in 1957.

See also

• IJssel
  IJssel
  River IJssel , sometimes called Gelderse IJssel to avoid confusion with its Hollandse IJssel namesake in the west of the Netherlands, is a branch of the Rhine in the Dutch provinces of Gelderland and Overijssel...