Viaduc de Chillon

The Viaduc de Chillon is a viaduct in Switzerland located in Veytaux to the southeast of Montreux.

The viaduct comprises two structures 12 metres (39 ft) wide carrying the east and westbound lanes of the Swiss A9 autoroute.

[1] The choice of a viaduct was dictated by the steeply-sloping terrain, the need to avoid extensive deforestation and the esthetic implications of the proximity of the Château de Chillon.

The bridge uses prefabricated concrete parts, assembled from a crane spanning overhead from pier to pier[1] The two viaducts span a total of 2,150 metres (7,050 ft) at a height of 100 metres (330 ft) above the lake.

The viaduct offers an expansive view of Lac Léman, the Chablais, and Haute-Savoie on the opposite side of the lake.