Schoenenbourg, Military fortification in Haut-Rhin, France
The Schoenenbourg fort extends underground for 3 kilometers through interconnected tunnels, featuring eight concrete blocks equipped with artillery positions and defense systems.
During the Battle of France in 1940, the fortification withstood intense bombardment, receiving over 3,000 artillery shells and 160 aerial bombs without major structural damage.
The fort represents French military engineering from the 1930s, demonstrating the technical advancement of defensive architecture through its ventilation systems and power plant.
Visitors can explore the fortification through guided tours that descend 30 meters underground via 135 steps, covering a 2.5-kilometer circuit within the structure.
The fortress contains its original equipment, including the power generation system, ammunition storage, barracks, and kitchen facilities that supported 500 soldiers during wartime.
Location: Haut-Rhin
Inception: 1992
GPS coordinates: 48.16917,7.30556
Latest update: June 23, 2025 09:57
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