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Oscarsborg fortress in Drøbak, Norway from the air
Oscarsborg Fortress in Drøbak.
Photo: Oscarsborg
Travel Trade

There are 17 large fortresses in Norway. Akershus Fortress in Oslo and Oscarsborg Fortress in Drøbak are amongst the most popular ones.

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Find your fortress
Vardøhus Fortress
The world’s northernmost and Norway’s easternmost fortress. Appears today as it did when it was built in 1738.
Vardøhus Fortress
Trondenes Fort
Trondenes Fort
Still a military installation, famous for its long-barrelled canon “Adolf”.
Trondenes Fort
The Verdal Fortifications
Built to handle the strain between Norway and Sweden after the dissolution of the Union in 1905.
The Verdal Fortifications
Austrått Fort is a massive fortification with a five-storey cannon tower. The fortress was built by the occupying German forces during… Read more
Austrått Fort
The Hegra Fortress was built from 1908-10 to defend against attacks from Sweden following the dissolution of the union between Sweden and Norway in… Read more
Hegra Fortress
Kristiansten Fortress
Kristiansten Fortress
An important part of the Trondheim’s recreational areas.
Kristiansten Fortress
Bergenhus Fortress
Bergenhus Fortress
Now a museum next to the famous Rosenkrantz Tower and close to the Bryggen Hanseatic Wharf.
Bergenhus Fortress
Kongsvinger Fortress is one of the most important sites of cultural heritage in Norway and Hedmark Fylke Read more
Kongsvinger Fortress
Akershus Fortress is a great place to discover Oslo's history and enjoy a summer day. The building of Akershus Castle and Fortress was commenced in… Read more
Akershus Fortress
Oscarsborg Fortress is a jewel in the Drøbak narrow. In summer, Oscarsborg is perfect for families and for those interested in nature, culture… Read more
Oscarsborg Fortress
Border forts
The Border Fortifications
22 small fortifications situated along the southern part of the border dividing Sweden and Norway.
The Border Fortifications
On the outskirts of Horten you come to Karljohansvern, a national fortification which is surrounded by protected nature and the Oslofjord.… Read more
Fredrikstad festning
Fredrikstad Fortress
An Old fortified town turned into a lively urban community.
Fredrikstad Fortress
Fredriksten is Norway`s largest, most important and most venerable border fortress.   Many also find it one of the most magnificent in… Read more
Fredriksten fortress
Fredriksvern is Norway's first main naval base, built in Stavern from 1750 onwards. The original name was Fredriksvern Verft, named after king… Read more
Fredriksvern verft
Oddane Fortress
Listed and not open to the public, but you can book a guided tour.
Oddane Fortress
A historical defence museum that features a heavy German coastal defence battery from 1940-45, with the world's second largest land-based cannon (337… Read more
Kristiansand Kanonmuseum - Cannon Museum
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    Statens Kartverk, Geovekst og kommuner - Geodata AS
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