58.7410°N, 17.8660°E.
Landsort Labyrinth is a prehistoric or medieval stone-formation labyrinth in Södermanland, Sweden. The design is a classical 7circuit layout with 7 circuits, 8 walls, built of stone. Documented age: 16th-17th century (16th-17th century). Current condition: intact. A stone labyrinth on the island of Öja at Landsort — Sweden's southernmost lighthouse, marking the outer boundary of the Stockholm archipelago since 1669, making it one of the oldest lighthouses in Sweden. Documentation sources: Kraft 1983. A figure that resolves into a single unbroken line when traced from edge to centre and back. The labyrinth is one of several hundred sites of this type catalogued globally; each preserves the same unicursal walking-pattern with regional variation in scale, material, and date.
The labyrinth tradition spans at least 4,000 years of documented practice across northern Europe, the Mediterranean, the British Isles, North America, and the Indian subcontinent.