The Fort Saint-Gobain is part of the Maginot line, concrete fortification of the second world war. It is unique for its conservation state. Real "under earth" submarine, it allowed the troups to live in total autarcy for more than 3 months.


Huge work of the line Maginot of the Alps, perfectly preserved, the visitors discover after having passed the drawbridge, throughout the galleries, the barracks and the technical rooms which allowed a crew to live in autarky during 3 months in case of need.
The visit takes place following a marked path and equipped with explanatory panels in 3 languages (French-Italian-English).
The temperature is constant at around 12° in July and August. It is therefore necessary to have warm clothing.

Période d'ouverture

From 15/06 to 15/09
Opening hours on Monday, Thursday, Friday, Saturday and Sunday between 2 pm and 6.30 pm. On Wednesday between 9 am and 12 pm and between 2 pm and 6.30 pm.
Closed on Tuesday.

Équipements & Services

  • Picnic area
  • Public WC
  • Car park
  • Free car park
  • Guided group tours
  • Unguided individual tours


Full price: 8 €
Group adults: 6 €.

Free entry for children < 15 years.
Group rate available for > 15 people.

Langues parlées

  • English English
  • French French
  • Italian Italian




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Informations pratiques

Route d'Aussois - D 215
73500 Villarodin-Bourget
Mail Contacter le prestataire Pop file Maginot line work