Tukuk-OS🏗️ Longest railway tunnel
Gotthard Base Tunnel · 57.09 km (35.47 mi)
← All world records · The Built World
🏗️ Longest railway tunnel
57.09 km (35.47 mi)
Gotthard Base Tunnel · Under the Swiss Alps
The world's longest and deepest rail link, boring straight through the Alps between Zurich and Milan at over 2,300 m depth — twenty years in the making, opened in 2016.
Record at a glance
| Record | Longest railway tunnel |
|---|---|
| Feature | Gotthard Base Tunnel |
| Measurement | 57.09 km (35.47 mi) |
| Location | Under the Swiss Alps |
| Country | Switzerland |
Read the Switzerland profile, or browse the whole World Extremes index.
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