
A watchtower or guardtower (also spelt watch tower, guard tower) is a type of
military
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a d ...
/
paramilitary
A paramilitary is a military that is not a part of a country's official or legitimate armed forces. The Oxford English Dictionary traces the use of the term "paramilitary" as far back as 1934.
Overview
Though a paramilitary is, by definiti ...
or
policiary tower
A tower is a tall Nonbuilding structure, structure, taller than it is wide, often by a significant factor. Towers are distinguished from guyed mast, masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting ...
used for guarding an area. Sometimes
fortified
A fortification (also called a fort, fortress, fastness, or stronghold) is a military construction designed for the defense of territories in warfare, and is used to establish rule in a region during peacetime. The term is derived from Lat ...
, and armed with heavy weaponry, especially historically, the structures are built in areas of established control. These include military bases, cities occupied by military forces, prisons and more. A common equipment is
searchlights
A searchlight (or spotlight) is an apparatus that combines an extremely bright source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular dire ...
.
It differs from a regular
tower
A tower is a tall Nonbuilding structure, structure, taller than it is wide, often by a significant factor. Towers are distinguished from guyed mast, masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting ...
in that its
primary use is military/policiary and from a
turret
Turret may refer to:
* Turret (architecture), a small tower that projects above the wall of a building
* Gun turret, a mechanism of a projectile-firing weapon
* Optical microscope#Objective turret (revolver or revolving nose piece), Objective turre ...
in that it is usually a freestanding structure. Its main purpose is to provide a high, safe place from which a sentinel or guard may observe the surrounding area. In some cases, non-military towers, such as
religious towers, may also be used as watchtowers.
Similar constructions include:
observation tower
An observation tower is a tower used to view events from a long distance and to create a full 360 degree range of vision to conduct long distance observations. Observation towers are usually at least tall and are made from stone, iron, and woo ...
s, which are generally civilian structures, and
control tower
Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled a ...
s, used on airports or harbours.
History
Military watchtowers
The Romans built numerous towers as part of a system of communications, one example being the towers along
Hadrian's Wall
Hadrian's Wall (, also known as the ''Roman Wall'', Picts' Wall, or ''Vallum Aelium'' in Latin) is a former defensive fortification of the Roman province of Roman Britain, Britannia, begun in AD 122 in the reign of the Emperor Hadrian. Ru ...
in
Britain
Britain most often refers to:
* Great Britain, a large island comprising the countries of England, Scotland and Wales
* The United Kingdom of Great Britain and Northern Ireland, a sovereign state in Europe comprising Great Britain and the north-eas ...
. Romans built many
lighthouse
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lens (optics), lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways.
Ligh ...
s, such as the
Tower of Hercules
The Tower of Hercules (, ) is the oldest known extant Roman lighthouse. Built in the 1st century, the tower is located on a peninsula about from the center of A Coruña, Galicia, in northwestern Spain. Until the 20th century, it was known as the ...
in northern
Spain
Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
, which survives to this day as a working building, and the equally famous lighthouse at
Dover Castle
Dover Castle is a medieval castle in Dover, Kent, England and is Grade I listed. It was founded in the 11th century and has been described as the "Key to England" due to its defensive significance throughout history. Some writers say it is the ...
, which survives to about half its original height as a ruin.
In medieval Europe, many castles and
manor house
A manor house was historically the main residence of the lord of the manor. The house formed the administrative centre of a manor in the European feudal system; within its great hall were usually held the lord's manorial courts, communal mea ...
s, or similar fortified buildings, were equipped with watchtowers. In some of the manor houses of western France, the watchtower equipped with arrow or gun loopholes was one of the principal means of defense. A feudal lord could keep watch over his domain from the top of his tower.
In southern
Saudi Arabia
Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...
and
Yemen
Yemen, officially the Republic of Yemen, is a country in West Asia. Located in South Arabia, southern Arabia, it borders Saudi Arabia to Saudi Arabia–Yemen border, the north, Oman to Oman–Yemen border, the northeast, the south-eastern part ...
, small stone and mud towers called "
qasaba
A kasbah (, also ; , , Maghrebi Arabic: ), also spelled qasbah, qasba, qasaba, or casbah, is a Fortification, fortress, most commonly the citadel or fortified quarter of a city. It is also equivalent to the term in Spanish language, Spanish () ...
" were constructed as either watchtowers or keeps in the
Asir
Asir, officially the Aseer Province, is a province of Saudi Arabia in southern Arabia. It has an area of , and an estimated population of 2,024,285 (in 2022). Asir is bounded by the Mecca Province to the north and west, al-Bahah Province to the ...
mountains. Furthermore, in
Najd
Najd is a Historical region, historical region of the Arabian Peninsula that includes most of the central region of Saudi Arabia. It is roughly bounded by the Hejaz region to the west, the Nafud desert in Al-Jawf Province, al-Jawf to the north, ...
, a watchtower, called "Margab", was used to watch for approaching enemies far in distance and shout calling warnings from atop.
Scotland saw the construction of
Peel towers
Peel towers (also spelt pele) are small fortified keeps or tower houses, built along the English and Scottish borders in the Scottish Marches and North of England, mainly between the mid-14th century and about 1600. They were free-stan ...
that combined the function of watchtower with that of a
keep
A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word ''keep'', but usually consider it to refer to large towers in castles that were fortified residen ...
or
tower house
A tower house is a particular type of stone structure, built for defensive purposes as well as habitation. Tower houses began to appear in the Middle Ages, especially in mountainous or limited access areas, to command and defend strategic points ...
that served as the residence for a local notable family.

Mediterranean countries, and
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
in particular, saw the construction of numerous coastal watchtowers since the early Middle Ages, connected to the menace of
Saracen
upright 1.5, Late 15th-century German woodcut depicting Saracens
''Saracen'' ( ) was a term used both in Greek and Latin writings between the 5th and 15th centuries to refer to the people who lived in and near what was designated by the Rom ...
attacks from the various Muslim states existing at the time (such as the
Balearic Islands
The Balearic Islands are an archipelago in the western Mediterranean Sea, near the eastern coast of the Iberian Peninsula. The archipelago forms a Provinces of Spain, province and Autonomous communities of Spain, autonomous community of Spain, ...
,
Ifriqiya
Ifriqiya ( '), also known as al-Maghrib al-Adna (), was a medieval historical region comprising today's Tunisia, eastern Algeria, and Tripolitania (roughly western Libya). It included all of what had previously been the Byzantine province of ...
or
Sicily
Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
). Later (starting from the 16th century) many were restored or built against the
Barbary
The Barbary Coast (also Barbary, Berbery, or Berber Coast) were the coastal regions of central and western North Africa, more specifically, the Maghreb and the Ottoman borderlands consisting of the regencies in Algiers, Tunis, and Tripoli, a ...
pirates. Similarly, the city state of Hamburg gained political power in the 13th century over a remote island 150 kilometers down the Elbe river estuary to erect the
Great Tower Neuwerk
The Great Tower Neuwerk is the most significant building of the Neuwerk island, belonging to Hamburg. Completed in 1310, the structure is one of the oldest worldwide that was used as lighthouse (1814–2014) and still standing. This former beacon, ...
by 1310 to protect its trading routes. They also claimed customs at the watchtower protecting the passage.
Some notable examples of military Mediterranean watchtowers include the towers that the
Knights of Malta
The Sovereign Military Order of Malta (SMOM), officially the Sovereign Military Hospitaller Order of Saint John of Jerusalem, of Rhodes and of Malta, and commonly known as the Order of Malta or the Knights of Malta, is a Catholic Church, Cathol ...
had constructed on the coasts of
Malta
Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
. These towers ranged in size from small watchtowers to large structures armed with numerous cannons. They include the
Wignacourt,
de Redin,
and
Lascaris towers
The Lascaris Towers () are a series of mostly small coastal watchtowers built in Malta by the Order of Saint John between 1637 and 1652. The first seven towers were built around the coast of mainland Malta in 1637 and 1638. Between 1647 and 165 ...
, named for the
Grand Master, such as
Martin de Redin, that commissioned each series.
The name of
Tunisia
Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares m ...
's second biggest city,
Sfax
Sfax ( ; , ) is a major port city in Tunisia, located southeast of Tunis. The city, founded in AD849 on the ruins of Taparura, is the capital of the Sfax Governorate (about 955,421 inhabitants in 2014), and a Mediterranean port. Sfax has a ...
, is the
berber
Berber or Berbers may refer to:
Ethnic group
* Berbers, an ethnic group native to Northern Africa
* Berber languages, a family of Afro-Asiatic languages
Places
* Berber, Sudan, a town on the Nile
People with the surname
* Ady Berber (1913–196 ...
-
punic
The Punic people, usually known as the Carthaginians (and sometimes as Western Phoenicians), were a Semitic people who migrated from Phoenicia to the Western Mediterranean during the Early Iron Age. In modern scholarship, the term ''Punic'' ...
translation from the
greek
Greek may refer to:
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group
*Greek language, a branch of the Indo-European language family
**Proto-Greek language, the assumed last common ancestor of all kno ...
"Taphroúria" (''Ταφρούρια)'' meaning watchtower, which may mean that the 9th century Muslim town was built as an extension of what is currently known as the
Kasbah
A kasbah (, also ; , , Maghrebi Arabic: ), also spelled qasbah, qasba, qasaba, or casbah, is a fortress, most commonly the citadel or fortified quarter of a city. It is also equivalent to the term in Spanish (), which is derived from the same ...
, one of the corners of the surviving complete
rampart
Rampart may refer to:
* Rampart (fortification), a defensive wall or bank around a castle, fort or settlement
Rampart may also refer to:
* LAPD Rampart Division, a division of the Los Angeles Police Department
** Rampart scandal, a blanket ter ...
of the
medina
Medina, officially al-Madinah al-Munawwarah (, ), also known as Taybah () and known in pre-Islamic times as Yathrib (), is the capital of Medina Province (Saudi Arabia), Medina Province in the Hejaz region of western Kingdom of Saudi Arabia, ...
.
In the Channel Islands, the
Jersey Round Towers and the
Guernsey loophole towers
The British built 15 Guernsey loophole towers at various points along the coast of Guernsey between August 1778 and March 1779, to deter possible French attacks after France had declared itself an ally of the Americans in the American Revolutionar ...
date from the late 18th century. They were erected to give warning of attacks by the French.
The
Martello tower
Martello towers are small defensive forts that were built across the British Empire during the 19th century, from the time of the French Revolutionary Wars onwards. Most were coastal forts.
They stand up to high (with two floors) and typica ...
s that the British built in the UK and elsewhere in the
British Empire
The British Empire comprised the dominions, Crown colony, colonies, protectorates, League of Nations mandate, mandates, and other Dependent territory, territories ruled or administered by the United Kingdom and its predecessor states. It bega ...
were defensive fortifications that were armed with cannon and that were often within line of sight of each other. One of the last Martello towers to be built was
Fort Denison
Fort Denison, part of the Sydney Harbour National Park, is a protected national park that is a heritage-listed former penal site and defensive facility occupying a small island located north-east of the Royal Botanic Garden and approximatel ...
in
Sydney
Sydney is the capital city of the States and territories of Australia, state of New South Wales and the List of cities in Australia by population, most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Syd ...
harbour. The most recent descendants of the Martello Towers are the
flak tower
Flak towers () were large, above-ground, anti-aircraft gun blockhouse towers constructed by Nazi Germany. "Flak" is short for anti-aircraft gun in German: ''Flugabwehrkanone''. There were a total of 8 flak tower complexes in the cities of Berlin ...
s that the various combatants erected in
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
as mounts for
anti-aircraft
Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface ( submarine-launched), and air-ba ...
artillery.
Modern warfare

In
modern warfare
Modern warfare is warfare that diverges notably from previous military concepts, methods, and technology, emphasizing how combatants must modernize to preserve their battle worthiness. As such, it is an evolving subject, seen differently in dif ...
the relevance of watchtowers has decreased due to the availability of alternative forms of
military intelligence
Military intelligence is a military discipline that uses information collection and analysis List of intelligence gathering disciplines, approaches to provide guidance and direction to assist Commanding officer, commanders in decision making pr ...
, such as
reconnaissance
In military operations, military reconnaissance () or scouting is the exploration of an area by military forces to obtain information about enemy forces, the terrain, and civil activities in the area of operations. In military jargon, reconnai ...
by
spy satellites
A reconnaissance satellite or intelligence satellite (commonly, although unofficially, referred to as a spy satellite) is an Earth observation satellite or communications satellite deployed for military or intelligence applications.
The ...
and
unmanned aerial vehicle
An unmanned aerial vehicle (UAV) or unmanned aircraft system (UAS), commonly known as a drone, is an aircraft with no human pilot, crew, or passengers onboard, but rather is controlled remotely or is autonomous.De Gruyter Handbook of Dron ...
s. However watch towers have been used in
counter-insurgency
Counterinsurgency (COIN, or NATO spelling counter-insurgency) is "the totality of actions aimed at defeating irregular forces". The Oxford English Dictionary defines counterinsurgency as any "military or political action taken against the ac ...
wars to maintain a military presence in conflict areas in case such as by the
French Army
The French Army, officially known as the Land Army (, , ), is the principal Army, land warfare force of France, and the largest component of the French Armed Forces; it is responsible to the Government of France, alongside the French Navy, Fren ...
in
French Indochina
French Indochina (previously spelled as French Indo-China), officially known as the Indochinese Union and after 1941 as the Indochinese Federation, was a group of French dependent territories in Southeast Asia from 1887 to 1954. It was initial ...
, by the
British Army
The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...
and the
RUC in
Northern Ireland
Northern Ireland ( ; ) is a Countries of the United Kingdom, part of the United Kingdom in the north-east of the island of Ireland. It has been #Descriptions, variously described as a country, province or region. Northern Ireland shares Repub ...
and the
IDF in
Gaza and
West Bank
The West Bank is located on the western bank of the Jordan River and is the larger of the two Palestinian territories (the other being the Gaza Strip) that make up the State of Palestine. A landlocked territory near the coast of the Mediter ...
.
Non-military watchtowers
An example of the non-military watchtower in history is the one of Jerusalem. Though the
Hebrews
The Hebrews (; ) were an ancient Semitic-speaking peoples, ancient Semitic-speaking people. Historians mostly consider the Hebrews as synonymous with the Israelites, with the term "Hebrew" denoting an Israelite from the nomadic era, which pre ...
used it to keep a watch for approaching armies, the religious authorities forbade the taking of weapons up into the tower as this would require bringing weapons through the temple. Rebuilt by King Herod, that Watchtower was renamed after
Mark Antony
Marcus Antonius (14 January 1 August 30 BC), commonly known in English as Mark Antony, was a Roman people, Roman politician and general who played a critical role in the Crisis of the Roman Republic, transformation of the Roman Republic ...
, his friend who battled against Gaius Julius Caesar Octavianus (later
Augustus
Gaius Julius Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian (), was the founder of the Roman Empire, who reigned as the first Roman emperor from 27 BC until his death in A ...
) and lost.
Notable guard towers
*
Alcatraz
Alcatraz Island () is a small island about 1.25 miles offshore from San Francisco in San Francisco Bay, California, near the Golden Gate Strait. The island was developed in the mid-19th century with facilities for a lighthouse, a military fo ...
guard towers
*
Auschwitz II
Auschwitz, or Oświęcim, was a complex of over 40 Nazi concentration camps, concentration and extermination camps operated by Nazi Germany in Polish areas annexed by Nazi Germany, occupied Poland (in a portion annexed into Germany in 1939) d ...
guard towers
*
Tower of London
The Tower of London, officially His Majesty's Royal Palace and Fortress of the Tower of London, is a historic citadel and castle on the north bank of the River Thames in central London, England. It lies within the London Borough of Tower Hamle ...
Spooky spots and tales of the Tower of London
/ref>
* Yuma Territorial Prison
The Yuma Territorial Prison is a former prison located in Yuma, Arizona, United States, that opened on July 1, 1876, and shut down on September 15, 1909. It is one of the Yuma Crossing and Associated Sites on the National Register of Historic ...
1876 guard tower.
Gallery
File:HollidayUnitHuntsvilleTX.jpg, A guard tower at the C.A. Holliday Unit of a state prison in Huntsville, Texas
Huntsville is a city in and the county seat of Walker County, Texas, United States. Its population was 45,941 as of the 2020 United States census, 2020 census. It is the center of the Huntsville United States micropolitan area, micropolitan area ...
File:Wuppertal - Simonshöfchen - Justizvollzugsanstalt 06 ies.jpg, Modern prison guard tower
File:Leuchtturm Neuwerk 2018.jpg, Great Tower Neuwerk built 1310 by Hamburg, Germany
File:Susiluodon Merivartioasema Kustavi 21.3.08 (1).JPG, Susiluoto Coast Guard Station watch tower in Kustavi
Kustavi (; ) is a municipalities of Finland, municipality of Finland. It is in the provinces of Finland, province of Western Finland and is part of the Southwest Finland regions of Finland, region. The municipality has a population of (), which m ...
, Finland
Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, ...
File:Torre Verger Banyalbufar 4.JPG, ''Torre del Verger'', guard tower located at Banyalbufar
Banyalbufar () is a municipality on the Spanish Balearic island of Majorca. The town of the same name is the administrative seat of the municipality. It borders the municipalities of Estellencs, Puigpunyent, Esporles, and Valldemossa.
Geography
...
, Majorca
Mallorca, or Majorca, is the largest of the Balearic Islands, which are part of Spain, and the List of islands in the Mediterranean#By area, seventh largest island in the Mediterranean Sea.
The capital of the island, Palma, Majorca, Palma, i ...
, Spain
Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
.
See also
* Blockhouse
A blockhouse is a small fortification, usually consisting of one or more rooms with loopholes, allowing its defenders to fire in various directions. It is usually an isolated fort in the form of a single building, serving as a defensive stro ...
* Diaolou
Diaolou () are fortified multi-storey watchtowers in rural villages, generally made of reinforced concrete. These towers are located mainly in Kaiping, Guangdong province, China. In 2007, UNESCO designated the ''Kaiping Diaolou and Villages'' () ...
* Fire lookout tower
A fire lookout tower, fire tower, or lookout tower is a tower that provides housing and protection for a person known as a " fire lookout", whose duty it is to search for wildfires in the wilderness. It is a small building, usually on the summit ...
* Guardhouse
A guardhouse (also known as a watch house, guard building, guard booth, guard shack, security booth, security building, or sentry building) is a building used to house Security guard, personnel and security equipment. Guardhouses have histori ...
References
External links
*
{{Authority control
Fortified towers by type
Towers
Prisons