3 Forts to Explore in Trøndelag

Austrått Fort is a massive fortification with a five-storey cannon tower. The fortress was built by the occupying German forces during World War 2, and the battery was originally on board the battleship Gneisenau.

Hegra Fortress is a small mountain fortress in the village of Hegra in the municipality of Stjørdal in Trøndelag county, Norway. Originally known as Ingstadkleiven Fort, it was built between 1908–1910 as a border fort as a defense against the perceived threat of a Swedish invasion.

Kristiansten Fortress has been a central part of the fortress city of Trondheim since the end of the 17th century, as part of Johan Caspar von Cicignon and Anthony Coucheron's fortifying city plan for Trondheim after the city fire in 1681. The defense of the city was originally built on the fortifications along the Nidelven and Skansen and the fjord.