[1] It was adapted in the mid-19th century by the seventh Earl to serve as an observation tower for the practice circuit he laid out for his horses, along with the building of a stable block lower down the hill.
[1] The mug shape has given rise to false accounts of the tower's origins supposedly relating to a beer-loving miller who was killed after being hit by a pole during a bonfire.
[2] Internally, the tower retains a number of 19th century fittings, including timber floors, slate fireplaces, shuttered windows and a castellated roof.
[3] In 2001, Bradgate Park Trust registered the design of the building as a trademark, and in 2018 told a local artist that she would have to pay them if she continued to sell her paintings of it.
[8] The distinctive outline of the Old John hilltop with its two landmark structures, visible from many parts of Leicester and the surrounding county, has given it a particular local significance to the people of Leicestershire.