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 .
6-761: Near Numansdorp , the Hollands Diep splits into the Haringvliet and the Volkerak estuaries . It is closed off near Goedereede from the North Sea by the Haringvlietdam , which provides a road connection between the island of Voorne to the north and the island of Goeree-Overflakkee to the south. The dam with its sluices was built as part of the Delta Works sea barrier protection works. The Haringvliet estuary contains
12-566: A freshwater lake. Because of that, the seals are gone and migrating fish can only enter the Rhine-Meuse Delta through the busy and heavy industrialised Nieuwe Waterweg . There are plans to permanently open a few of the Haringvliet sluices, to partly restore the ecosystem. 51°46′18″N 4°12′57″E / 51.77167°N 4.21583°E / 51.77167; 4.21583 Cromstrijen Cromstrijen ( Dutch: [krɔmˈstrɛiə(n)] ; Cromstrien in local dialect)
18-509: The Rhine and Meuse rivers. It used to be ecologically rich, and its brackish waters, fed by both rivers and sea, supported a healthy population of seals . It also provided an access point for migrating fish like salmon and sturgeon . As a result of the North Sea flood of 1953 the Haringvliet was closed off by the Haringvlietdam. The Haringvliet lost its estuarine characteristics and became
24-560: The island of Tiengemeten , which is separated from the river island of Hoeksche Waard by the Vuile Gat strait . The Haringvliet was formed as a result of the extensive flooding event of 1216, which breached the dunes of Voorne and created a deep saltwater inlet. During a second flooding event, the St. Elizabeth floods of 1421, this inlet connected to the Merwede and became an important estuary of
30-410: The municipalities of Binnenmaas , Korendijk , Oud-Beijerland , and Strijen to form the municipality of Hoeksche Waard . The municipality of Cromstrijen consists of the communities Klaaswaal and Numansdorp (townhall). Its population was data missing in 2021. [REDACTED] Dutch topographic map of the municipality of Cromstrijen, June 2015 This South Holland location article
36-522: Was a municipality on the Hoeksche Waard Island in the western Netherlands , in the province of South Holland . The municipality covers an area of 70.33 km (27.15 sq mi) of which 15.96 km (6.16 sq mi) is water. It was formed on 1 January 1984, when the municipalities on the Hoeksche Waard were merged into larger municipalities. On 1 January 2019 it was merged with
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