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Boutonne
River
Ecluses St Jean dY.jpg
The Boutonne in Saint-Jean-d'Angély.
Country France
Region Nouvelle-Aquitaine
Departments Deux-Sèvres, Charente-Maritime
Communes Saint-Jean-d'Angély
Tributaries
 - left Nie
 - right Béronne, Belle, Trézence
City Saint-Jean-d'Angély
Source Chef-Boutonne
 - location Deux-Sèvres, Nouvelle-Aquitaine, France
 - elevation 90 m (295 ft)
 - coordinates 46°06′47″N 0°03′56″W / 46.11306°N 0.06556°W / 46.11306; -0.06556
Confluence Charente
 - location Cabariot, Nouvelle-Aquitaine, France
 - elevation m (13 ft)
 - coordinates 45°54′33″N 0°49′34″W / 45.90917°N 0.82611°W / 45.90917; -0.82611
Length 98.8 km (61 mi)
Basin 1,327 km² (512 sq mi)
Discharge for Cabariot
 - average 13 /s (459 cu ft/s)
Map of the Boutonne
Map of the Boutonne

The Boutonne is a river of western France that flows through the Deux-Sèvres and Charente-Maritime departments, in the Nouvelle-Aquitaine region. It is a right tributary of the Charente river.

Geography

The Boutonne has a length of 98.8 km (61.4 mi), and a drainage basin with an area of approximately 1,327 km2 (512 sq mi).

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 5.50 m3/s (194 cu ft/s) at Saint-Séverin-sur-Boutonne in the Charente-Maritime department, at an altitude of 34 m (112 ft).

Average monthly discharge (m3/s) at Saint-Séverin-sur-Boutonne (1969-2017)

Course

The Boutonne starts in the southeast of the Deux-Sèvres department, in the commune of Chef-Boutonne (that is, "Head of the Boutonne"), at an elevation of about 90 m (295 ft).

It flows to the west and, later, to the southwest through the Deux-Sèvres and Charente-Maritime departments before flowing, at almost right angle, into the Charente river in Cabariot at about 4 m (13 ft) of altitude.

The Boutonne flows through 1 region (Nouvelle-Aquitaine), 2 departments and 41 communes; they are, from source to mouth:

  • Deux-Sèvres: Chef-Boutonne (here is the source of the river), Fontenille-Saint-Martin-d'Entraigues, Chérigné, Lusseray, Brioux-sur-Boutonne, Vernoux-sur-Boutonne, Séligné, Brieuil-sur-Chizé, Villefollet, Villiers-sur-Chizé, Chizé, Le Vert (the last commune of Deux-Sèvres in the course of the river).
  • Charente-Maritime: Dampierre-sur-Boutonne (the first commune where the Boutonne gets into the department), Saint-Séverin-sur-Boutonne, Coivert, Blanzay-sur-Boutonne, Saint-Georges-de-Longuepierre, Saint-Martial, Saint-Pierre-de-l'Isle, Nuaillé-sur-Boutonne, Saint-Pardoult, Les Églises-d'Argenteuil, Antezant-la-Chapelle, Vervant, Poursay-Garnaud, Courcelles, Saint-Julien-de-l'Escap, Saint-Jean-d'Angély (main city in the course of the river), Ternant, La Vergne, Voissay, Torxé, Les Nouillers, Tonnay-Boutonne, Puy-du-Lac, Archingeay, Saint-Coutant-le-Grand, Champdolent, Lussant, Cabariot (place where the river flows into the Charente river).

Seven communes have the name of the river in their names: Chef-Boutonne, Saint-Séverin-sur-Boutonne, Dampierre-sur-Boutonne, Tonnay-Boutonne, Blanzay-sur-Boutonne, Nuaillé-sur-Boutonne, Vernoux-sur-Boutonne.

Main tributaries

The main tributaries of the Boutonne river are:

Gallery

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