[citation needed] However, the Sugar Loaf in South Wales, sometimes cited as visible from Bardon, cannot be seen, being over 90 miles (140 km) away.
This was then moved to the now larger mast which was originally built by an electricity supply company, it is now owned by Cellnex after Arqiva sold its UK wireless business in October 2019 and provides the NOW Leicester DAB radio service.
[6][7] The landscape was already attracting visitors before John Curtis wrote in the 1830s: he suggests that the view extends to over 5,000 square miles (13,000 km2) or one-twelfth of England and Wales.
This has attracted telecommunication companies, and large transmitters and radio masts have replaced both the Summer House and Queen Adelaide's Bower.
The hill is notable for its lichens and invertebrates, especially spiders with 133 species including the rare Tetrilus macrophthalmus.
[12] The volcanic complex is described as being similar to that of the Soufrière Hills, a Stratovolcano on the British island of Montserrat in the Caribbean.
[citation needed] Commercial exploitation was made possible by several local nonconformist families, and the opening of the Leicester and Swannington Railway.
[15] Leading this mechanisation was the introduction of Charles G Mountain of Birmingham's steam crusher, which cost £7500: it needed only 8 men to operate but produced between 60 and 80 tons of quarried stone per 10-hour day.
[17] The owners of the quarry were paternalistic in nature: At the joint expense of the new owner William Perry Herrick, and the leaseholders, (the Ellis' and Breedon Everard), cottages and a school were built for the quarry's workmen and their families, in the village of Bardon.
In 1997 it merged again, this time with Camas (formerly a division of English China Clays), to form Aggregate Industries.
[20] The Bardon Hill Quarry serves as the headquarters of Aggregate Industries and is one of the 5 "Super-Quarries" it owns in the UK.
[22] Following the exhaustion of the existing quarry, the company stated it would partially infill the site over a period of around 11 years, and turn it into a nature area.
The current hall is a gentleman's residence with a southerly aspect and with commanding views over the parkland.
The current hall is a Grade II Listed building and is the head office of Aggregate Industries, the owners of the Bardon Hill Quarry.
During the 19th century a village of quarry workers' cottages was built southwest of Bardon Hill.
It had its own vicar, but is now part of a united benefice with Christ Church, Coalville and St. Michael and All Angels, Ravenstone.
In the 19th century, before the Elementary Education Act 1870, there was a Non-conformist "British School" day-school in the schoolroom behind Bardon Park Chapel.