Atlas — the interactive world
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infrastructure
Close ✕Simplon Tunnel
The 19.8 km Alpine base tunnel between Brig in Switzerland and Iselle in Italy, first bore built 1898–1905 and second 1912–1921, and the longest mountain tunnel in the world for most of the…
46.3, 8.0 · approximate · first bore 1898–1905; second bore 1912–1921
On the world
- A place in: Luxury Rail Across Continents · 7 places
Lines mark links and orders the records assert; no path between any two places is recorded, and none is drawn.
Connections
- affects Orient Express — The Simplon bore gave the post-1919 service a southern path through Switzerland and Italy when the Munich–Vienna corridor became politically unavailable.
Mission history61 missions · 1959 → 2026 · 2 planned
1145 objects · 280 located (1 withheld pending verification) · 865 unlocated · No relief basemap · marks drawn only from sourced coordinates