[1] It stands beside the A15 road approximately 6 miles (10 km) south of Lincoln near the junction of the B1178 (also known as Tower Lane), in the parish of Dunston, north of Sleaford.
The purpose of the land lighthouse was to improve the safety of 18th-century travellers crossing a particularly treacherous area of the county known for its many incidents of robbery by highwaymen.
[3] The structure originally stood 92 feet (28 metres) high, with a staircase inside the tower and a large octagonal lantern on top to aid travellers crossing the wild heathland south of Lincoln.
[2] In 1940, the pillar was considered to be a hazard to low-flying aircraft approaching nearby RAF Coleby Grange, and the tower's height was lowered by 40 feet (12 metres) to reduce the risk of accident.
At this time the oversize statue of George III was removed and broken up; the surviving bust can be seen in the grounds of Lincoln Castle.