Torsburgen

Torsburgen is an ancient hillfort in Kräklingbo on Gotland island in the Baltic Sea. Constructed in the 1st-4th century, it remained in use until the 12th century. [1] The fort covers approximately 1.2 km² and is protected by high cliffs with defensive wall sections extending almost 2 km in total length. [1] Featured in the medieval Gutasaga, the plateau is now a nature reserve. [1]