TQ3313 : Trig Point, Ditchling Beacon
taken 9 years ago, near to Westmeston, East Sussex, England
Ditchling Beacon is the third-highest point on the South Downs in south-east England. It consists of a large chalk hill with a particularly steep northern face, covered with open grassland and sheep-grazing areas. Situated just south of the East Sussex village of Ditchling and to the north-east of the city of Brighton, it is the highest point in the county of East Sussex.
more detail from Wikipedia: Link
A triangulation station, also known as a triangulation pillar, trigonometrical station, trigonometrical point, trig station, trig beacon or trig point. Erected by the Ordnance Survey.
See Link for more details about Trig Stations.