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For other uses, see Arve (disambiguation).
Arve Annemasse.jpg
The Arve near Annemasse, Haute-Savoie
Native name L'Arve
Origin Col de Montets near Chamonix
46°00′12″N 6°55′13″E / 46.00341°N 6.92029°E / 46.00341; 6.92029
Mouth Rhône in Geneva
46°12′05″N 6°07′19″E / 46.20129°N 6.12197°E / 46.20129; 6.12197Coordinates: 46°12′05″N 6°07′19″E / 46.20129°N 6.12197°E / 46.20129; 6.12197
Basin countries France, Switzerland
Length 102 km
Source elevation 1516
Mouth elevation 370 m (1,210 ft)
Avg. discharge 75 m³/s
Basin area 2,060 km²

The river Arve (French: L'Arve) flows for approximately 100 km (62 miles) through France, in the département of Haute-Savoie, and (for a few kilometers) in Switzerland. It is a left tributary of the Rhône.

Rising in the Graian Alps, close to the Swiss border, it receives water from the many glaciers of the Chamonix valley (mainly the Mer de Glace) before flowing north-west into the Rhône on the west side of Geneva, where its much higher level of silt brings forth a striking contrast between the two rivers.

The Arve flows through Chamonix, Sallanches, Cluses, Bonneville, Annemasse and Geneva.