The Yser is a coastal Fleuve of 78 km length. Its source is in France and its mouth in Belgium.

Geography

Course in France

The Yser takes its (or its) source (S) with Buysscheure, passes to Bollezeele, Esquelbecq, Bambecque then crosses the border. Its French course, between its source and the border, is long of approximately thirty kilometers; with 27 m of uneven on this course, the average slope is of 0,9 ‰.

Course in Belgium

In Belgium, the river, Ijzer in Dutch, irrigate the Flanders-Western on a distance of 50 km, in particular the towns of Dixmude and Nieuport, where it is thrown in the the North Sea. On its Belgian course, it irrigates approximately 5% of the territory. It is the only river of Belgium which has there also its mouth, the other rivers, the Meuse and the the Scheldt doing nothing but cross the country.

Affluents

• the principal French affluents are out of Right Bank the Peene Becque, the Ey Becque, the Sale Becque , the Petite Becque and the brook of Herzeele , out of left bank the Zwyne Becque;

• the Ieperlee or Yperlee is a Belgian affluent, which takes its source with the Mont Kemmel (Belgium) and is thrown in Yser in the south of Nieuwkapelle.

See too

External bonds

Hydrometric Bambecque

• station on Yser BV = 239 km ²
• synthetic flows on the bank HYDRO
• given daily medium flows year 2004 to change the year in the bar of address
• comparison 2005/former chronology available to change the year in the bar of address

Hydrometric Bollezelle

• station on Yser
• synthetic flows on the bank HYDRO
• given daily medium flows year 2004 to change the year in the bar of address
• comparison 2005/former chronology available to change the year in the bar of address

Ochtezeele

• synthetic flows on the bank HYDRO
• given daily medium flows year 2004 to change the year in the bar of address
• comparison 2005/former chronology available to change the year in the bar of address

Steenvoorde

• synthetic flows on the bank HYDRO
• given daily medium flows year 2004 to change the year in the bar of address
• comparison 2005/former chronology available to change the year in the bar of address

• Presentation of the atlas of the floodplains of Yser (file .pdf)

• general Information on the atlases of the floodplains