Ciron

The Ciron (French pronunciation: [siʁɔ̃]; Occitan: Siron) is a left tributary of the Garonne, in Gironde, Southwest France. It is 96.9 km (60.2 mi) long.[1]

Ciron
Location
CountryFrance
Physical characteristics
Source 
  locationLandes
  elevation135 m (443 ft)
Mouth 
  location
Garonne
  coordinates
44°36′3″N 0°18′5″W
Length97 km (60 mi)
Discharge 
  average3 m3/s (110 cu ft/s)
Basin features
ProgressionGaronneGironde estuaryAtlantic Ocean

Geography

The Ciron rises in the eastern end of the Moors of Gascony, in Landes. It flows north-west, mainly through the moors of Gironde, crosses the Sauternes vineyard and joins the Garonne at Barsac, downstream from Langon.

The moisture it brings, and morning mists it causes, are favorable to the development of Botrytis cinerea on grapes, a fungus that contributes to the high quality and renown of Sauternes wines.

Départements and towns

The Ciron flows through the following départements and towns:

Tributaries

  • (L) le Giscos, from Giscos
  • (R) le Barthos,
  • (L) la Gouaneyre, from Captieux
  • (R) la Clède, from Lignan-de-Bazas
  • (L) le Baillon, downstream from Villandraut
  • (L) la Hure, from Saint-Symphorien
    • (L) l'Origne from Origne and Balizac
  • (L) le Tursan, from Guillos
  • (L) la Mouliasse, from Landiras

N.B. : (R) = right tributary; (L) = left tributary

References

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