Götavirke — Wikipedia

Götavirke (Geatish Dyke) are the remains of two parallel defensive walls going from north to south between the villages of Västra Husby (58°29′N 16°10′E) and Hylinge (58°28′N 16°10′E) in Söderköping Municipality, Östergötland, Sweden. The walls cover the distance between the lakes Asplången (58°30′N 16°08′E) and Lillsjön (58°28′N 16°10′E). North of Asplången there are remains of several ancient hill forts that may have been part of the defensive line. South of Lake Lillsjön, the terrain is so hard to pass that it hardly needed any defences. The walls seem to be constructed to protect the...