Rauøy Fort, Coastal fortification in Fredrikstad Municipality, Norway.
The military installation extends across Rauøy island with artillery positions, bunkers, and defensive structures overlooking the Oslofjord waters.
During the 1940 German invasion, the fort engaged with the enemy fleet in the Oslofjord, firing warning shots at the heavy cruiser Blücher.
The fort contains preserved military structures from different periods, including Norwegian defense installations and German modifications from World War II.
Visitors can access sections of the fort through guided tours, while other areas remain restricted due to ongoing military operations.
The fort housed a marine artillery school and maintained four 15 cm SKL/45 cannons installed by German forces in 1942.
Location: Fredrikstad Municipality
GPS coordinates: 59.23000,10.69583
Latest update: March 12, 2025 21:18
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