The Ailsa Craig Lighthouse, is an active 19th century lighthouse located on

Ailsa Craig Ailsa Craig (; sco, Ailsae Craig; gd, Creag Ealasaid) is an island of in the outer Firth of Clyde, west of mainland Scotland, upon which microgranite has long been quarried to make curling stones. The now-uninhabited island comprises the ...

, an island in the

Firth of Clyde The Firth of Clyde is the mouth of the River Clyde. It is located on the west coast of Scotland and constitutes the deepest coastal waters in the British Isles (it is 164 metres deep at its deepest). The firth is sheltered from the Atlantic ...

, just offshore from

Girvan Girvan ( gd, Inbhir Gharbhain, "mouth of the River Girvan") is a burgh and harbour town in Carrick, South Ayrshire, Scotland. Girvan is situated on the east coast of the Firth of Clyde, with a population of about 6,450. It lies south of Ay ...

, South Ayrshire,

Scotland Scotland (, ) is a Countries of the United Kingdom, country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a Anglo-Scottish border, border with England to the southeast ...

History

It was completed in 1886, the construction being overseen by

Thomas Thomas may refer to: People * List of people with given name Thomas * Thomas (name) * Thomas (surname) * Saint Thomas (disambiguation) * Thomas Aquinas (1225–1274) Italian Dominican friar, philosopher, and Doctor of the Church * Thomas the A ...

and

David Alan Stevenson David Alan Stevenson (21 July 1854 in Edinburgh – 11 April 1938) was a lighthouse engineer who built 26 lighthouses in and around Scotland. Life He was born on 21 July 1854 the son of David Stevenson and his wife, Elizabeth Mackay. His ...

. Initially, the lighthouse used oil-burning lamps, but by 1911, these were replaced with

incandescent Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its high temperature. The term derives from the Latin verb ''incandescere,'' to glow white. A common use of incandescence is ...

lighting. Fog signals were discontinued in 1987. Then, in 1990, the lighthouse was automated, and a refurbishment took place in 2001, when it was converted to run on

solar power Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Photovoltaic cells convert light into an electric current using the photovolta ...

. Ailsa Craig is also known as "Paddy's Mile Stone" as it lies halfway between the cities of Glasgow and Belfast. As well as being a local landmark and a well known marine navigational hazard the island is a protected bird sanctuary, sheltering thousands of breeding pairs of sea birds. Other wild life found on and around the island are a colony of grey seals as well as the occasional whale, and more commonly large

basking shark The basking shark (''Cetorhinus maximus'') is the second-largest living shark and fish, after the whale shark, and one of three plankton-eating shark species, along with the whale shark and megamouth shark. Adults typically reach in leng ...

s during the summer months. The basking shark is a large but harmless shark: it can often be seen from boats feeding at the surface on the planktonic bloom which grows in great abundance around the British Isles during the warmer months. In June 2018 the former lighthouse keepers' cottages, now derelict, were placed for sale by auction.

References

External links

Northern Lighthouse Board

Lighthouses For Sale Research Website
{{Authority control Lighthouses completed in 1886 Category B listed buildings in South Ayrshire Lighthouses of Scottish islands Category B listed lighthouses

History

See also

References

External links