The Lötschberg Tunnel is a long railway tunnel on the Lötschberg Line, which connects Spiez and Brig at the northern end of the Simplon Tunnel cutting through the Bernese Alps of Switzerland. Its ends are at the towns of Kandersteg (2 km away) in the canton of Berne and Goppenstein in the canton of Valais. The top elevation of the tunnel is above sea level, this is the highest point of the main Swiss railway network.