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Course of the river in France

Course of the river in France

Water code FRE3-0120
location France , Belgium
River system Scheldt
Drain over Scheldt  → North Sea
source in the municipality of Lisbourg
50 ° 31 ′ 30 ″  N , 2 ° 13 ′ 23 ″  E
Source height approx.  157  m
muzzle in the urban area of Ghent in the Scheldt Coordinates: 51 ° 2 ′ 35 "  N , 3 ° 44 ′ 26"  E 51 ° 2 ′ 35 "  N , 3 ° 44 ′ 26"  E
Mouth height approx.  m OP
Height difference approx. 153 m
Bottom slope approx. 0.76 ‰
length 202 km
Catchment area 2900 km²
Left tributaries Douvebeek , Heulebeek , Almond
Right tributaries Laquette , Clarence , Lawe , Deûle
Big cities Ghent
Medium-sized cities Armentières , Comines-Warneton , Kortrijk , Deinze
Small towns Aire-sur-la-Lys , Merville , Comines , Halluin , Wervik
Navigable from the estuary to Aire-sur-la-Lys
Location of the Lys

Location of the Lys

The Leie (French: Lys , Latin: Legia ) is a river that runs through France and Belgium . It rises in the municipal area of Lisbourg (Flemish: Liegesboort ), in the French department of Pas-de-Calais , generally drains in a north-easterly direction and after a total of 202 kilometers flows into the city of Ghent , in the Belgian province of East Flanders , as a left tributary into the Scheldt .


Of the total length of the Leie, 109 kilometers flow through Belgian territory. Today, the river forms the border between Belgium and France over a length of around 24 kilometers . During the Frankish Empire it ran along the border between Neustria and Austrasia .

The course can be divided into the following sections:

  • Upper course of the Leie :

Here the Leie runs as a relatively small river through the towns and Lisbourg Thérouanne and finally reaches Aire-sur-la-Lys , where the Canal Dunkerque-Escaut is true that here from channels Canal d'Aire and Canal de Neufossé is formed .

  • Canalized Lys in France:

It crosses the large shipping lane and from here on it has also been expanded even in smaller dimensions for shipping. It runs through the Nord department , touches the towns of Merville and Armentières (15 km northwest of Lille) and reaches the border with Belgium at Houplines .

Belgian territory is now on the left bank and French territory on the right bank. At Deûlémont the canalised Deûle joins from the right. Important places on the French side are Comines and Halluin , on the Belgian side Comines-Warneton and Wervik .

  • Leie in Belgium:

The Leie initially runs in the province of West Flanders via Kortrijk , where there is a navigable cross-connection to the Scheldt via the Bossuit-Kortrijk Canal , and on to Deinze . From here, cargo ships can continue to the Gent-Oostende Canal via the Schipdonk Canal . The Leie itself runs in striking meanders to the center of Ghent, where it flows into the Scheldt.

Economical meaning

The lime and iron poor water of the Leie was important for flax cultivation for a long time . The nickname of the river Goldener Fluss originated from the flax processing . In 1943 the flax industry in the Leie region was completely banned due to the environmental pollution. Today the Leie has economic importance as a waterway for cargo ships . These can sail across the Scheldt to Antwerp (the largest Belgian port ) and the North Sea.


Several battles of the First and Second World Wars were named after the Lys:

The Lys department, formed after the French Revolution, was named after the river.


The area of ​​the Leie between Deinze and Ghent is known for its beautiful nature and inspired many painters from the Latemse Scholen .

Web links

Commons : Leie  - collection of images, videos, and audio files

Individual evidence

  1. source geoportail.fr
  2. The old Flemish name in the spelling Liegesborth is translated as: Birth of the Leie , hence the source of the Leie . See: flandrianostra.org ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. . @1@ 2Template: Webachiv / IABot / www.flandrianostra.org