Historic site and monument, Boat and submarine at Saint-Nazaire

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  • The old submarine base, built by the Germans in WW2, is now an integral part of our landscape.

    Explore in depths then climb to the roof to see your surroundings from a fresh perspective. After extensive redevelopment, the base is now a unique cultural and tourism site.
    This 299m-long strategic base was built in just 16 months in 1941-42, using nearly 500,000m3 of concrete. With a roof up to 8.75m thick, it housed the fearsome U-Boats plus hundreds of men, their offices and workshops until May 1945.
  • Access
    • Public transport  :  Ligne Hélyce - Arrêt: Rue de la Paix at 600 m
    • Public transport  :  Ligne U2 - Arrêt: Ruban bleu at 300 m
    • Railway station at 1 km
    • Seaside at 700 m
  • Spoken languages
    • fr*
  • Accepted customers
    • Individuals
    • Groups
  • Equipment
    • Point of interest visible without guided tour
  • Services
    • Wi-fi
    • Guided tours for individuals
      • 1h10
    • Self-guided tours for individuals
      • 1h10
    • Free site access
    • Animals accepted
Payment methods
  • Debit cards
  • All year