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Tunnels, Caverns and Shafts

Most Important Structures in this Category

  • entry with pictures
  • new entry (30 days)
  • updated entry (14 days)
# Name Country length
1 Päijänne Water Tunnel Finland 120000 m
2 Orange Fish Tunnel South Africa 82800 m
3 Gotthard Base Tunnel Switzerland 57091 m
4 Seikan Tunnel Japan 53850 m
5 Channel Tunnel United Kingdom 50450 m
6 Hálslón Headrace Tunnel Iceland 39700 m
7 Lötschberg Base Tunnel Switzerland 34576.6016 m
8 Guadarrama Tunnel Spain 28418.6600 m
9 MetroWest Water Supply Tunnel USA 28320 m
10 Taihang Tunnel China 27848 m

Note: there are too many entries in this category and all its subcategories combined. To obtain a list of structures please go through one of the subcategories.

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Portugal (2009), added on 04/11/2018

Portugal (2009), added on 04/11/2018

Portugal, added on 04/11/2018

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Italy (1998), modified on 16/11/2018

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France (1903), modified on 16/11/2018

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Italy (1998)
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