Boutonne | |
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![]() The Boutonne at Saint-Jean-d'Angély | |
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Location | |
Country | France |
Physical characteristics | |
Source | |
- location | Chef-Boutonne |
- coordinates | 46°06′46″N 00°03′57″W / 46.11278°N 0.06583°W |
- elevation | 85 m (279 ft) |
Mouth | |
- location | Charente |
- coordinates | 45°54′32″N 00°49′35″W / 45.90889°N 0.82639°W |
- elevation | 4 m (13 ft) |
Length | 98.8 km (61.4 mi) |
Basin size | 1,320 km2 (510 sq mi) |
Discharge | |
- average | 13 m3/s (460 cu ft/s) |
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.
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]
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.
The main tributaries of the Boutonne river are:[1]
Left tributaries:
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Right tributaries:
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