Aisne (river)

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Coordinates: 49°26′5″N 2°50′47″E / 49.43472°N 2.84639°E / 49.43472; 2.84639
The Aisne river in Soissons
The Aisne river in Soissons
Country  France
Regions Grand Est, Hauts-de-France
Departments Meuse, Marne, Ardennes, Aisne, Oise
 - left Suippe, Vesle
 - right Ancre, Aire
Cities Soissons, Compiègne, Sainte-Menehould, Vouziers
Source Forest of Argonne
 - location Rembercourt-Sommaisne, Meuse, France
 - elevation 240 m (787 ft)
 - coordinates 48°56′48″N 5°10′21″E / 48.94667°N 5.17250°E / 48.94667; 5.17250
Confluence Oise
 - location Compiègne, Oise, France
 - elevation 30 m (98 ft)
 - coordinates 49°26′5″N 2°50′47″E / 49.43472°N 2.84639°E / 49.43472; 2.84639
Length 355.9 km (221 mi)
Basin 7,939 km² (3,065 sq mi)
Discharge for Trosly-Breuil
 - average 65.4 /s (2,310 cu ft/s)
The Aisne in northern France
The Aisne in northern France
Wikimedia Commons: Aisne River

The Aisne is a river in northeastern France. It is a left tributary of the Oise river. It gave its name to the French department of Aisne. It was known in Roman times with its Celtic name of Axona.

Geography[change | change source]

The Aisne river has a length of 355.9 km (221.1 mi),[1] and a drainage basin with an area of 7,939 km2 (3,065 sq mi).

Course[change | change source]

The source of the Aisne is in the "Forest of Argonne", in the Rembercourt-Sommaisne commune (Meuse), near the border with the Marne department, at an altitude of about 240 m (787 ft).[2] From here, the Aisne flows to the west.

The Aisne river flows through 2 regions and 5 departments. It flows through the following communes, among others:[1]

Finally, it flows into the Oise river in the city of Compiègne.[3]

Main tributaries[change | change source]

The main tributaries of the Aisne river are:[1]

Hydrology[change | change source]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 65.40 m3/s (2,310 cu ft/s) at Trosly-Breuil in the Oise department.[4]

Average monthly discharge (m3/s) at Trosly-Breuil (1961 - 2002)[4]

The Aisne shows typical seasonal fluctuations. The highest levels of the river are in winter and spring, from December to May inclusive, with the highest level in February. They are followed by a rapid fall in the flow during the low water period that goes from July to October.

Gallery[change | change source]

Related pages[change | change source]

References[change | change source]

  1. 1.0 1.1 1.2 "L'Aisne (H1--0200)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 30 October 2016.
  2. "Source de l'Aisne" (in French). Géoportail. Retrieved 30 October 2016.
  3. "Confluence de l'Aisne" (in French). Géoportail. Retrieved 30 October 2016.
  4. 4.0 4.1 "L'Aisne à Trosly-Breuil [Hérant]" (in French). Banque Hydro. Retrieved 7 November 2017.