Ouvrage Janus, Military fortification in Montgenèvre, France
The Ouvrage Janus stretches 900 meters underground at an elevation of 2,450 meters, containing eight distinct blocks designed for artillery operations.
Built in 1931 as part of the Maginot Line, this fortification served as a defense point against potential invasions from Italy during World War II.
The fort received recognition as Heritage of the 20th Century, preserving military architecture and defense strategies from the interwar period.
The fortification maintains its original equipment, including three power generators, ammunition storage, barracks, and medical facilities for 230 personnel.
The structure features specialized casemates with four 95mm cannons, making it the second-highest Maginot fortification in the French Alps.
Location: Montgenèvre
GPS coordinates: 44.91150,6.71080
Latest update: June 23, 2025 09:45
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