South Stack Lighthouse

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File:South Stack Light House (7991522115).jpg South Stack Lighthouse in 2012
Location	Holy Island, Anglesey, Wales
Coordinates
Constructed	1809
Construction	stone tower
Automated	1983
Height	28 m (92 ft)
Shape	tapered cylindrical tower with balcony and lantern
Markings	white tower and lantern
Operator	Trinity House
Fog signal	one 3s. blast every 30s. (range of 2 nmi (3.7 km; 2.3 mi))
Light
Focal height	60 m (200 ft)
Lens	1st order six panel catadioptric rotating
Intensity	467,000 candela
Range	24 nmi (44 km; 28 mi)
Characteristic	Fl W 10s.

The South Stack Lighthouse is built on the summit of a small island off the north-west coast of Holy Island, Anglesey, Wales. It was built in 1809 to warn ships of the dangerous rocks below.

History

The lighthouse has warned passing ships of the treacherous rock below since its completion in 1809. The 91-foot (28 m)-tall lighthouse on South Stack was designed by Daniel Alexander and the main light is visible to passing vessels for 24 nmi (44 km; 28 mi), and was designed to allow safe passage for ships on the treacherous Dublin–Holyhead–Liverpool sea route. It provides the first beacon along the northern coast of Anglesey for east-bound ships. It is followed by lighthouses, fog horns and other markers at North Stack, Holyhead Breakwater, The Skerries, the Mice, Point Lynas and at the south-east tip of the island Trwyn Du. The lighthouse is operated remotely by Trinity House. It has been visited by the team at Most Haunted.

Visitors can climb to the top of the lighthouse and tour the engine room and exhibition area. The lighthouse is open seasonally.

See also

• List of lighthouses in Wales

External links

• Trinity House