Armançon

river in France

The Armançon is a river in France. It is a right tributary of the Yonne river. It flows mostly through the Bourgogne-Franche-Comté region.

Armançon
The Armançon in Nuits
Location
CountryFrance
Physical characteristics
Source 
 - locationBurgundy
 - elevation380 m (1,250 ft)
Mouth 
 - locationYonne
 - coordinates47°57′8″N 3°30′30″E / 47.95222°N 3.50833°E / 47.95222; 3.50833
Length202 km (126 mi)
Basin size2,990 km2 (1,150 sq mi)
Discharge 
 - average30 m3/s (1,100 cu ft/s)
Basin features
ProgressionYonneSeineEnglish Channel

Eight communes have the name of the river in their names: Aisy-sur-Armançon, Argenteuil-sur-Armançon, Brienon-sur-Armançon, Chailly-sur-Armançon, Montigny-sur-Armançon, Pacy-sur-Armançon, Perrigny-sur-Armançon, Saint-Martin-sur-Armançon.

Geography

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The Armançon river has a length of 202.1 km (125.6 mi) and a drainage basin with an area of 3,077 km2 (1,188 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 28.90 cubic metres per second at Brienon-sur-Armançon in the Yonne department.[2]

Course

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The source of the Armançon is in the natural region of Auxois, about 2 kilometres (1.2 mi) to the northwest of the town Meilly-sur-Rouvres, Côte-d'Or department, at an altitude of about 420 m (1,378 ft).[3]

The Armançon flows, in general, to the northwest and passes through the following regions, departments and communes:[1]

Finally, it flows, as a right tributary into the Yonne river at the limits of the communes Migennes and Cheny, in the Yonne department, at 81 m (266 ft) of altitude.[4]

Main tributaries

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The main tributaries, with a length greater than 30 km, of the Armançon are (only right tributaries because the left tributaries are very short):

  • Brenne - 71.7 km;[5]
  • Armance - 47.7 km;[6]
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References

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  1. 1.0 1.1 "L'Armancon (F3--0210)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 2 October 2014.
  2. "L'ARMANCON à BRIENON-SUR-ARMANCON" (in French). Banque Hydro. Archived from the original on 3 March 2016. Retrieved 2 October 2014.
  3. "Source de l'Armançon" (in French). Géoportail. Retrieved 2 October 2014.
  4. "Confluence de l'Armançon" (in French). Géoportail. Retrieved 2 October 2014.
  5. "Fiche cours d'eau (F33-0400)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 2 April 2015. Retrieved 2 October 2014.
  6. "Fiche cours d'eau (F34-0400)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 10 June 2015. Retrieved 2 October 2014.

Other websites

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