The Vliet is a

canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow un ...

in the western

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 ...

, in the province of

South Holland South Holland ( nl, Zuid-Holland ) is a province of the Netherlands with a population of over 3.7 million as of October 2021 and a population density of about , making it the country's most populous province and one of the world's most densely ...

. It starts at the Oude Rijn at

Leiden Leiden (; in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 119,713, but the city forms one densely connected agglomeration wit ...

and joins the Delfshavense Schie canal at

Delft Delft () is a List of cities in the Netherlands by province, city and Municipalities of the Netherlands, municipality in the Provinces of the Netherlands, province of South Holland, Netherlands. It is located between Rotterdam, to the southeast, ...

. Places along its banks include

Voorschoten Voorschoten () is a village and municipality in the western Netherlands, in the province of South Holland. It is a smaller town in the Randstad, enclosed by the cities of Leiden, Wassenaar and The Hague. The municipality covers an area of of whi ...

Leidschendam Leidschendam () is a town and former municipality in the province of South Holland of the Netherlands. Along with Voorburg and Stompwijk, it is part of the municipality Leidschendam-Voorburg. History The town's name has been in use for centurie ...

Voorburg Voorburg is a town and former municipality in the west part of the province of South Holland, Netherlands. Together with Leidschendam and Stompwijk, it makes up the municipality Leidschendam-Voorburg. It has a population of about 39,000 people ...

The Hague The Hague ( ; nl, Den Haag or ) is a city and municipality of the Netherlands, situated on the west coast facing the North Sea. The Hague is the country's administrative centre and its seat of government, and while the official capital of ...

and

Rijswijk Rijswijk (), formerly known as Ryswick ( ) in English, is a city and municipality in the western Netherlands, in the province of South Holland. Its population was in , and it has an area of , of which is water. The municipality also includes th ...

. The canal was dug in 47 AD under command of

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...

general Corbulo, who wished to connect river

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

, of which the current Oude Rijn stream in Roman times was the main branch, to the

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 t ...

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 environment ...

The capital of the

Cananefates The Cananefates, or Canninefates, Caninefates, or Canenefatae, meaning "leek masters", were a Germanic tribe, who lived in the Rhine delta, in western Batavia (later Betuwe), in the Roman province of '' Germania Inferior'' (now in the Dutch pr ...

(

Forum Hadriani Forum Hadriani, in the modern town of Voorburg, was the northernmost Roman city on the European continent and the second oldest city of the Netherlands. It was located in the Roman province Germania Inferior and is mentioned on the Tabula Peuting ...

, or modern Voorburg) was established along the canal. The canal was likely improved in 121 under the reign of

Hadrian Hadrian (; la, Caesar Trâiānus Hadriānus ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. He was born in Italica (close to modern Santiponce in Spain), a Roman ''municipium'' founded by Italic settlers in Hispania B ...

and it is theorized that to maintain water levels there may have been dams and spillways. Based on discoveries in the new Rietvink quarter of Leidschendam, archaeologists concluded that the ancient canal was about three meters deep and about fifteen meters wide, enough for two ships. It is unclear what the canal's trajectory was beyond the current city of Delft; the Delfshavense Schie canal, which connects Delft to the

Nieuwe Maas The Nieuwe Maas (; "New Meuse") is a 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 Rotterd ...

river was not dug until 1389. In the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...

the Vliet was an important trade link that attracted much trade, as it flowed through the heart of the

County of Holland The County of Holland was a State of the Holy Roman Empire and from 1433 part of the Burgundian Netherlands, from 1482 part of the Habsburg Netherlands and from 1581 onward the leading province of the Dutch Republic, of which it remained a part ...

.Geniet van de Vliet
/ref> Windmills have been constructed alongside the Vliet, including the completely renovated mill 'De salamander' in

. The Vliet area was particularly attractive among richer families, who built their mansions along its banks.

References

Canals in the Netherlands Canals in the Rhine–Meuse–Scheldt delta Canals in South Holland Geography of The Hague Delft Leiden Leidschendam-Voorburg Rijswijk Voorschoten {{coord, 52, 5, 27, N, 4, 24, 35, E, display=title, region:NL