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The wine region of Valais

The Valais is the largest wine region and appellation in Switzerland, responsible for around one third of the country's total wine production. The main Vineyard area covers the southeast-facing slopes of the dramatic Rhône river valley as the glacial waters run southwest between Leuk (Loeche in French) and Fully. The river changes direction at Martigny and then runs northwest to exit the valley and empty into Lac Léman (Lake Geneva). Vineyard area here comes to around 4,800 hectares (11,800 acres) and is generally located on (often steep) slopes and terraces between the flat, fertile, Heavy soils at the bottom of the valley - often given over to fruit production, industry and urban development - and the bare rock of the mountainside that towers above.