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.

Boutonne
Length98.8 km (61.4 mi)
Mouth elevation4 m (13 ft)

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).[1]

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).[2]


Average monthly discharge (m3/s) at Saint-Séverin-sur-Boutonne (1969-2017)[2]

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).[3]

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.[4]

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

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:[1]

Left tributaries:

  • Nie - 26 km

Right tributaries:

  • Béronne - 29.5 km
  • Belle - 25 km
  • Trézence - 27.7 km, the main tributary of the Boutonne

Gallery

Related pages

References

  1. 1.0 1.1 1.2 La Boutonne (R6--0250) (in fr)SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 29 May 2017.
  2. 2.0 2.1 La Boutonne à Saint-Séverin-sur-Boutonne [Moulin de Châtre] (in fr)Banque Hydro. Retrieved 29 May 2017.
  3. Source de la Boutonne (in fr)Géoportail. Retrieved 29 May 2017.
  4. Confluence de la Boutonne (in fr)Géoportail. Retrieved 29 May 2017.

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