Austratt Fort is a World War II fort built by occupying forces at the time. Located just beyond Trondheim, Austratt Fort was part of the Atlantic Wall, a series of fortifications intended to protect against Allied landings.

Today, Austratt Fort is open to the public who can tour its engines rooms, mess hall, 200-strong soldiers’ accommodation and the site’s main highlight, its vast gun turret and impressive triple gun with 38,000 metre-range.

Near Austratt Fort there is an interesting exhibition about the occupation of Fosen at Austratt.