The Hermance (French pronunciation: ​[ɛʁmɑ̃s]) is a river in France and Switzerland, that discharges into Lake Geneva.[1] It rises near Loisin in Haute-Savoie, France, at 563 m (1,847 ft) elevation.[2] In its lower half, downstream from Veigy, it marks the Swiss-French border. It flows into Lake Geneva between the villages Hermance (Switzerland) and Chens-sur-Léman (France), at 372 m (1,220 ft) elevation.[2] Its total length is 14 km (8.7 mi) (13 km (8.1 mi) according to the Sandre database),[1] of which 6.5 kilometres on the border. Its catchment area is 42.5 km² (16.4 sq mi), of which 37 km² in France.[2]

Hermance
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Location
Countries	France and Switzerland
Physical characteristics
Source
• elevation	563 m (1,847 ft)
Mouth	Lake Geneva
• coordinates	46.3042°N 6.2417°E / 46.3042; 6.2417
• elevation	372 m (1,220 ft)
Length	14 km (8.7 mi)
Basin size	42.5 km2 (16.4 sq mi)
Basin features
Progression	Lake Geneva→ Rhône→ Mediterranean Sea

Flood control and other river maintenance issues are regulated under the 1959 Hermance River Agreement.[3]

Notes and references

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На других языках

[de] Hermance (Fluss)