Glion tunnel

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View of the south portals of the Glion tunnel

The Glion Tunnel is a two-tube road tunnel on the A9 under the village of Glion between the Montreux and Villeneuve junctions on Lake Geneva in Switzerland.

The motorway connects the cantons of Vaud and Valais , but the tunnel itself is still on Vaud soil. The 1350 meter long structure was built between 1968 and 1971. It was put into operation in 1970.

The tunnel is bounded by two bridges: one in the north leads over the Baye and the other in the south, the Chillon Viaduct over the Veraye .

Between April 2004 and November 2005 the tunnel was an integral part of the daily traffic news. A total renovation that became necessary and the associated road closures repeatedly led to long traffic jams. The renovation cost 115 million francs .


  • Paul Meystre: Les équipements des tunnels routiers: Les tunnels de Glion de l'autoroute du Léman . In: Bulletin technique de la Suisse romande, Vol. 93 (1967), Issue 23, pp. 319–330 (ETH Library: download link )
  • François Guisan: La réalisation des tunnels de Glion . In: Bulletin technique de la Suisse romande, Vol. 97 (1971), Issue 10 (L'autoroute du Léman et ses ouvrages), pp. 212–220 (ETH library: download link )

Individual evidence

  1. Structurae : Tunnel de Glion . on (French)
  2. a b SWI Glion: Valais et Vaud sortent du tunnel . on (French)