The Lötschberg Base Tunnel (LBT) is a 34.57 km (21.48 mi) railway base tunnel on the BLS AG's Lötschberg line cutting through the Bernese Alps of Switzerland some 400 m (1,300 ft) below the older Lötschberg Tunnel. It runs between Frutigen, Bern, and Raron, Valais.
The Lötschberg Base Tunnel (LBT) is a 34.57 km (21.48 mi) railway base tunnel on the BLS AG's Lötschberg line cutting through the Bernese Alps of Switzerland some 400 m (1,300 ft) below the older Lötschberg Tunnel. It runs between Frutigen, Bern, and Raron, Valais.
Source: Wikipedia "Lötschberg Base Tunnel" · CC BY-SA 4.0
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