53.8650°N, 0.6670°W.
Julian's Bower, Alkborough is a turf-cut labyrinth in North Lincolnshire, England. The design is a medieval chartres layout with 11 circuits, 12 walls, approximately 13.4 metres in diameter, built of turf. Documented age: Medieval (possibly older) (Medieval). Current condition: restored. Overlooking the confluence of the Rivers Trent and Humber, Julian's Bower is an 11-circuit medieval turf maze 44 feet in diameter, first mentioned circa 1700 by antiquary Abraham de la Pryme. Documentation sources: Saward 2003, Matthews 1922. Listed in the surveyed catalogue as one node in a larger global registry of the same single design. 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.