Sperrstelle Villigen, Military fortification museum in Villigen, Switzerland
The fortification system extends from the western slope of Geissberg to the Aare riverbank, encompassing 33 different military installations and structures.
The construction of these defensive fortifications started between 1939 and 1940 under the 5th Division command to protect the northern defense line in the Aare Valley.
The museum represents Swiss military engineering and defense strategies, displaying extensive fortification systems that reflect national security preparations during World War II.
Visitors can explore numerous bunkers, artillery positions, and underground passages through guided tours that explain the technical aspects of these military structures.
The site contains three main defensive concentrations, including covered and uncovered artillery positions on Geissberg ridge and a battalion strongpoint with multiple troop shelters.
GPS coordinates: 47.52563,8.21905
Latest update: October 5, 2025 02:04
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