The Hermance () is a river in
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...
and
Switzerland, that discharges into
Lake Geneva
, image = Lake Geneva by Sentinel-2.jpg
, caption = Satellite image
, image_bathymetry =
, caption_bathymetry =
, location = Switzerland, France
, coords =
, lake_type = Glacial la ...
.
It rises near
Loisin in
Haute-Savoie
Haute-Savoie (; Arpitan: ''Savouè d'Amont'' or ''Hiôta-Savouè''; en, Upper Savoy) or '; it, Alta Savoia. is a department in the Auvergne-Rhône-Alpes region of Southeastern France, bordering both Switzerland and Italy. Its prefecture is Ann ...
, France, at elevation.
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 elevation.
[ Its total length is ( according to the Sandre database),][ of which 6.5 kilometres on the border. Its catchment area is , of which 37 km2 in France.][
Flood control and other river maintenance issues are regulated under the 1959 Hermance River Agreement.][Ariel Dinar ''et al.'', ''Transboundary Water Conflict, Negotiation and Cooperation'', World Scientific, 2007. , ]
p. 185
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Notes and references
Rivers of France
Rivers of Switzerland
Rivers of the canton of Geneva
Rivers of Auvergne-Rhône-Alpes
Rivers of Haute-Savoie
France–Switzerland border
International rivers of Europe
Border rivers
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