Aisne (river)

river in France, tributary of the Oise

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.

The Aisne near the village of Soupir
Physical characteristics
 - locationChampagne-Ardenne
 - coordinates48°56′44″N 05°10′46″E / 48.94556°N 5.17944°E / 48.94556; 5.17944 (Oise-Aisne)
 - locationOise
 - coordinates49°26′1″N 2°50′49″E / 49.43361°N 2.84694°E / 49.43361; 2.84694 (Oise-Aisne)
Length356 km (221 mi)
Basin size7,752 km2 (2,993 sq mi)
 - average63 m3/s (2,200 cu ft/s)
Basin features
 - leftRuisseau de l'Étang Neuf, Boue, Ante, Auve, Tourbe, Dormoise, Rémy Galère, Ruisseau des Sugnons, Ruisseau de l'Indre
 - rightOrne, Coubreuil, Sougniat, Biesme, Ruisseau du Fossé des Corbeaux, Aire, Ruisseau du Moulin, Ruisseau de Saint-Gourgon, Ruisseau des Ouvions, Ruisseau des Quatorze, Migny, Vaux, Ruisseau de Saint-Fergeux, Miette, Tordoir



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).



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


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



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.



  1. 1.0 1.1 1.2 "L'Aisne (H1--0200)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 12 November 2014. 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. Archived from the original on 3 March 2016. Retrieved 7 November 2017.