Thonon-les-Bains was the historic capital of Chablais, a province of the old Duchy of Savoy. The Chablais Savoyard is the portion of Chablais in France. Chablais Valaison and Chablais Vaudois are those portions of Chablais in the adjacent Switzerland cantons Valais and Vaud. The town was the capital of the Dukedom of Chablais.
Sights worth visiting include:
Château de Ripaille
Arboretum de Ripaille
Château de Sonnaz
Saint-Hippolyte church (12th century), rebuilt in Savoy Baroque-style during the 17th century
Funiculaire de Thonon-les-Bains
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