Girdle Ness Lighthouse

Girdleness Lighthouse
LocationBalnagask, Aberdeen, Scotland
OS gridNJ9715905348
Coordinates57°08′20″N 02°02′56″W / 57.13889°N 2.04889°W / 57.13889; -2.04889
Tower
Constructed1833
Designed byRobert Stevenson 
Automated1991
Height37 metres (121 ft)
Shapetapered cylindrical tower
Markingswhite round tower, black lantern and orch trim
Power sourcemains electricity 
OperatorNorthern Lighthouse Board
Heritagecategory A listed building 
Fog signalType Siren, 1 blast every 60s Discontinued in 1987
RaconG(--o) 25M
Light
First lit15 October 1833
Focal height56 m (184 ft)
Light sourceElectric Rotating Mains Powered PAR 56 Optic
Range22 nautical miles [41 km]
CharacteristicFl(2) W 20s 56m 12M [Fl.0.5s-ec 2.0s; Fl.0.5-ec 17.0s]

Girdle Ness Lighthouse (or Girdleness Lighthouse) is situated near Torry Battery on the Girdle Ness peninsula just south of the entrance to Aberdeen's harbour, in Scotland. It is an active light, managed by the Northern Lighthouse Board.