The Gibraltar South Mole Lighthouse is one of several
lighthouses in Gibraltar, a
British Overseas Territory at the south end of the
Iberian Peninsula
The Iberian Peninsula (),
**
* Aragonese and Occitan: ''Peninsula Iberica''
**
**
* french: Péninsule Ibérique
* mwl, Península Eibérica
* eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, def ...
. Also known as the Gibraltar "A" Head Lighthouse, it has a
cast-iron
Cast iron is a class of iron–carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impuriti ...
, skeletal tower which is painted black and features two galleries. The
lighthouse remains operational and is positioned west of the
Rock of Gibraltar, on the
South Mole at
Gibraltar Harbour
The Port of Gibraltar, also known as Gibraltar Harbour, is a seaport in the British Overseas Territory of Gibraltar. It was a strategically important location during the Napoleonic Wars and after 1869 served as a supply point for ships travelling ...
. It is operated by the
Gibraltar Port Authority
The Gibraltar Port Authority develops and manages the Port of Gibraltar.
History
On 19 February 1706, Anne, Queen of Great Britain granted Free Port status to Gibraltar. In the early 18th century, Gibraltar was principally a garrison where ...
.
History
Gibraltar Harbour ''(pictured on map)'', also referred to as the Port of Gibraltar, is on the west side of the British Overseas Territory of
Gibraltar
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, anthem = " God Save the King"
, song = " Gibraltar Anthem"
, image_map = Gibraltar location in Europe.svg
, map_alt = Location of Gibraltar in Europe
, map_caption = United Kingdom shown in pale green
, mapsize =
, image_map2 = Gib ...
, at latitude 36º09'N, and longitude 5º20'W. In addition to the protection provided to the port by the Rock of Gibraltar on the east, there is a system of manmade defences on the west. These include a trio of
breakwaters
A breakwater is a permanent structure constructed at a coastal area to protect against tides, currents, waves, and storm surges. Part of a coastal management system, breakwaters are installed to minimize erosion, and to protect anchorages, h ...
:
the
North Mole (formerly the Commercial Mole)
including its Western Arm, the
Detached Mole, and the South Mole.
[ The South Mole includes an extension which was added later, and was formerly known as the New Mole and New Mole Extension.] The harbour has both north and south entrances. The northern entry is bordered by the Western Arm of the North Mole and the (middle) Detached Mole. The southern entry is between the Detached Mole and the South Mole.[
The Gibraltar South Mole Lighthouse ''(shown on map)'' is located at the north end of the South Mole of Gibraltar Harbour. It is positioned at the "A" head of the South Mole (formerly specified as the extension), from which it derives its alternate name.] The lighthouse and port are to the north of the east end of the Strait of Gibraltar, the entryway to the Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...
, and west of the Rock of Gibraltar.[
The South Mole Lighthouse comprises a black, octagonal tower built of cast iron, with a height of .][ This description correlates with the photograph from ''The Online List of Lights''. The skeletal tower has a central cylinder and has retained its original gallery. The lamp was exchanged for a square skeletal tower and new lantern, with a second gallery platform, to elevate the plane of the light. (A similar tower at the south end of the Western Arm of the North Mole of the port differs in that it lacks the original gallery platform.)][ ''Publication 113'' gives a different physical description of the lighthouse as a round, white tower, 56 feet in height.][ The Gibraltar "A" Head Lighthouse continues to be active and is utilised as an ]aid to navigation
In international relations, aid (also known as international aid, overseas aid, foreign aid, economic aid or foreign assistance) is – from the perspective of governments – a voluntary transfer of resources from one country to another.
Ai ...
, in and near the harbour.[ Its ]light characteristic
A light characteristic is all of the properties that make a particular navigational light identifiable. Graphical and textual descriptions of navigational light sequences and colours are displayed on nautical charts and in Light Lists with the cha ...
is a flashing white light, with one flash every two seconds, and the range is fifteen nautical miles
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as the meridian arc length corresponding to one minute ( of a degree) of latitude. Today t ...
. The operational lighthouse has a focal plane of 18 metres (60 feet).[
The lighthouse tower and the site are both closed to the public. The South Mole Lighthouse is operated by the Gibraltar Port Authority. The ]United Kingdom Hydrographic Office
The United Kingdom Hydrographic Office (UKHO) is the UK's agency for providing hydrographic and marine geospatial data to mariners and maritime organisations across the world. The UKHO is a trading fund of the Ministry of Defence (MoD) and is ...
Admiralty number for the lighthouse, which originates from Volume D of the ''Admiralty List of Lights and Fog Signals'', is D 2442. The United States National Geospatial-Intelligence Agency
The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of natio ...
(NGA) number is 4224. Its Amateur Radio Lighthouse Society
Founded in 2000 by Jim Weidner, K2JXW, the Amateur Radio Lighthouse Society (ARLHS) is devoted to maritime communications, amateur radio, lighthouses, and lightships. Its members travel to lighthouses around the world where they operate amate ...
(ARLHS) number is GIB-002, and the lighthouse has been listed in the World List of Lights since 2006.
See also
* List of lighthouses in Gibraltar
References
External links
Photograph of Gibraltar South Mole Lighthouse
''The Online List of Lights''
Satellite View of Gibraltar South Mole Lighthouse
{{Authority control
Lighthouses in Gibraltar