Saint-Gobain Maginot fortification
Fort Saint-Gobain is a fortification of the Maginot Line in the Alps, dating from World War II (1939–45).
Its main mission was to block access to the Maurienne Valley via the Col du Mont-Cenis road and the railroad line, upstream from Modane.
Description
After crossing the men's and equipment entrance via the drawbridge, visitors are guided through the galleries to explore the barracks and technical rooms, which allowed a crew of 150 soldiers to live self-sufficiently for three months if necessary. The combat blocks are also open to the public, allowing visitors to explore their technical facilities and weaponry.
Self-guided tours follow a signposted route, with explanatory panels in three languages (French, Italian, and English). The temperature inside the fort is around 12°C, so warm clothing is essential.
Visitors can also explore the exterior by following a signposted path that leads to the top of the fort, offering an unobstructed view of the valley.
The fort has been fully restored by members of the Musée de la Traversée des Alpes (MTA) association.
Services
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Shop
Environments
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Mountain location
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Village - 2 km away
Rates
Adult: €8
Child: €5
Group adults: €6 (per person, for groups of 15 or more)
Group children: €100 (per group of 30 children)
Free admission for children under 10
Child admission valid for ages 10–15
Group rate available for groups of 15 or more
Payment methods
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Bank/credit card
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Check
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Cash
Opening period
From July 1 to August 31, 2026, daily from 1:30 p.m. to 6:00 p.m.
Spoken languages
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English
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French
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Italian
Location
Additional booking
Reservations recommended for groups.
Animals
Pets allowed : No