Allondon

Allondon
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Location
Country	France
Department	Ain
Country	Switzerland
Canton	Geneva
Physical characteristics
Source
• location	Échenevex, France
• elevation	649 m (2,129 ft)
Mouth	Rhône
• coordinates	46.1769°N 6.01°E / 46.1769; 6.01
Length	17.9 km (11.1 mi)
Basin size	148 km^2 (57 sq mi)
Discharge
• average	2.5 m^3/s (88 cu ft/s)
Basin features
Progression	Rhône→ Mediterranean Sea

The Allondon (French pronunciation: [alɔ̃dɔ̃]) is a river in France (Auvergne-Rhône-Alpes region) and Switzerland (canton of Geneva). It is 17.9 km (11.1 mi) long,^[1] of which 6.1 km in Switzerland and 2.5 km on the French–Swiss border.^[2] Its source is located at 649 m (2,129 ft) elevation in the commune of Échenevex in the Ain department in eastern France. It flows into the Rhône at the village of Russin in the canton of Geneva in Switzerland. Its catchment area is 148 km² (57 sq mi), of which 137 km² in France.^[2] It is home to the only recently known population of the rare insect Lachesilla rossica.

• 
  The source of the Allondon in Échenevex
• 
  The Allondon meets the Rhône

See also

• List of rivers of France
• List of rivers of Switzerland

References

1. Sandre. "Fiche cours d'eau - L'Allondon (V0410500)".
2. "Fiche rivière no 1 : L'Allondon" (4th ed.). État de Genève, Département du territoire and Communauté de Communes du Pays de Gex. December 2010.

External links

• Media related to Allondon at Wikimedia Commons