description Simplon Tunnel Overview
The Simplon Tunnel, opened in 1906 between Switzerland and Italy, stretches 19.8 km through the Alps and was the world's longest railway tunnel for several decades.
insights Ranking position
Simplon Tunnel ranks #7 of 190 in the Tunnel ranking, behind Marmaray Tunnel, ahead of Chesapeake Bay Bridge-Tunnel.
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How good is Simplon Tunnel?
Simplon Tunnel scores 9.05/10 (Excellent) on Lunoo, making it one of the highest-rated options in the Tunnel category. Pioneering early Alpine rail tunnel, historic world-record status, durable international route; older geometry limits modern performance.
What are the best alternatives to Simplon Tunnel?
See our alternatives page for Simplon Tunnel for a ranked list with scores. Top alternatives include: Laerdal Tunnel, Gotthard Base Tunnel, Seikan Tunnel.
How does Simplon Tunnel compare to Laerdal Tunnel?
See our detailed comparison of Simplon Tunnel vs Laerdal Tunnel with scores, features, and an AI-powered verdict.
Is Simplon Tunnel worth it in 2026?
With a score of 9.05/10, Simplon Tunnel is highly rated in Tunnel. See all Tunnel ranked.
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