Hollands Diep ( pre-1947 spelling: Hollandsch Diep) is a wide river in the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

and an

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...

of the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , source ...

and

Meuse The Meuse ( , , , ; wa, Moûze ) or Maas ( , ; li, Maos or ) is a major European river, rising in France and flowing through Belgium and the Netherlands before draining into the North Sea from the Rhine–Meuse–Scheldt delta. It has a ...

rivers. Through the Scheldt-Rhine Canal it connects to the

Scheldt The Scheldt (french: Escaut ; nl, Schelde ) is a river that flows through northern France, western Belgium, and the southwestern part of the Netherlands, with its mouth at the North Sea. Its name is derived from an adjective corresponding to ...

river and

Antwerp Antwerp (; nl, Antwerpen ; french: Anvers ; es, Amberes) is the largest city in Belgium by area at and the capital of Antwerp Province in the Flemish Region. With a population of 520,504,

. The Bergse Maas river and the Nieuwe Merwede river join near Lage Zwaluwe to form the Hollands Diep. The Dordtsche Kil connects to it near Moerdijk. Near

Numansdorp Numansdorp is a town and former municipality in the province South Holland in the Netherlands and is located on the island Hoeksche Waard near the Hollands Diep. On 1 January 1984, the municipalities Numansdorp and Klaaswaal were merged into on ...

it splits into the

Haringvliet The Haringvliet is a large inlet of the North Sea, in the province of South Holland in the Netherlands. It is an important estuary of the Rhine-Meuse delta. Near Numansdorp, the Hollands Diep splits into the Haringvliet and the Volkerak e ...

and the Volkerak.

History

The Hollands Diep was formed as a result of the extensive flood of 1216, which breached the dunes of

Voorne Voorne-Putten is an island between the North Sea, the Brielse Meer and the rivers Oude Maas, Spui and Haringvliet in the province of South Holland. Voorne-Putten consists of the two former islands Voorne (the larger, western part) and Putten ...

and created a deep saltwater inlet (the current

). During a second flood, the St. Elizabeth floods, this inlet connected to the Merwede and became an important estuary of the

and

rivers. From that moment on, the freshwater part of the estuary (east of the Hellegatsplein) was renamed Hollands Diep. The former river Striene, that used to connect the Meuse with the

, was completely destroyed by these floods and can no longer be recognised on maps. Rijn Maas Delta

River crossings

At this point where the Hollands Diep splits, there is a

road A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types o ...

traffic node on an artificial island (the Hellegatsplein), connecting to the

Hoeksche Waard The Hoekse Waard (; pre-1947 spelling: Hoeksche Waard) is an island between the Oude Maas, Dordtsche Kil, Hollands Diep, Haringvliet and Spui rivers in the province of South Holland in the Netherlands. The island, part of the namesake muni ...

island on the north by the Haringvliet bridge, to the Goeree-Overflakkee on the west by the Hellegatsdam, and to the mainland on the southeast by the Volkerak Sluices. On the east side of the Hollands Diep the Moerdijk bridges connect the

Dordrecht Dordrecht (), historically known in English as Dordt (still colloquially used in Dutch, ) or Dort, is a city and municipality in the Western Netherlands, located in the province of South Holland. It is the province's fifth-largest city after ...

island on the north to the mainland on the south: a

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually someth ...

, a

railroad Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prep ...

bridge; a second railroad bridge has recently been constructed for the HSL-Zuid.

References

{{Authority control Estuaries of Europe Rivers of the Rhine–Meuse–Scheldt delta Rivers of the Netherlands Ramsar sites in the Netherlands Rivers of North Brabant Rivers of South Holland Hoeksche Waard Drimmelen Moerdijk