Hauenstein tunnel, north portal
Hauenstein tunnel, north portal
The first base tunnel
Long before the Gotthard and Lötschberg, the first base tunnel in Swiss rail history is driven through the hills at Hauenstein near Olten.
View eventHauenstein tunnel, north portal
Long before the Gotthard and Lötschberg, the first base tunnel in Swiss rail history is driven through the hills at Hauenstein near Olten.
View event