There are 27 named tunnels in Montana. A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end. Tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal.

West portal of the Mullan tunnel

See also

Notes

  1. ↑ "Lacey Tunnel Number 3". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  2. ↑ "Amphitheater Tunnel Number 4". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  3. ↑ "Belt Creek Tunnel Number 5". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  4. ↑ "Red Coulee Tunnel Number 6". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  5. ↑ "Beavertail Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  6. ↑ "Bighorn Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  7. ↑ "Bozeman Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  8. ↑ "Helena Valley Canal Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  9. ↑ "John Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  10. ↑ "Monitor Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  11. ↑ "Mullan Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  12. ↑ "Nimrod Tunnels". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  13. ↑ "Painted Robe Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  14. ↑ "Ptarmigan Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  15. ↑ "Saint Paul Pass Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  16. ↑ "Schurchs Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  17. ↑ "Toston Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  18. ↑ "Tunnel Number 1". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  19. ↑ "Tunnel Number 3". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  20. ↑ "Tunnel Number 1". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  21. ↑ "Tunnel Number 2". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  22. ↑ "Tunnel Number 3". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  23. ↑ "Two Leggins Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  24. ↑ "Vista Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  25. ↑ "Wayne Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  26. ↑ "Wickes Tunnel". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
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