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A hill is a landform that extends above the surrounding terrain. It often has a distinct summit.


Terminology

The distinction between a hill and a
mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually highe ...
is unclear and largely subjective, but a hill is universally considered to be not as tall, or as steep as a mountain. Geographers historically regarded mountains as hills greater than above
sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...
, which formed the basis of the plot of the 1995 film '' The Englishman who Went up a Hill but Came down a Mountain''. In contrast,
hillwalker Walking is one of the most popular outdoor recreational activities in the United Kingdom, and within England and Wales there is a comprehensive network of rights of way that permits access to the countryside. Furthermore, access to much unculti ...
s have tended to regard mountains as peaks above sea level. The ''
Oxford English Dictionary The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a co ...
'' also suggests a limit of and Whittow states "Some authorities regard eminences above as mountains, those below being referred to as hills." Today, a mountain is usually defined in the UK and Ireland as any summit at least high, while the official UK government's definition of a mountain is a summit of or higher. Some definitions include a
topographical prominence In topography, prominence (also referred to as autonomous height, relative height, and shoulder drop in US English, and drop or relative height in British English) measures the height of a mountain or hill's summit relative to the lowest contou ...
requirement, typically or . In practice, mountains in
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 ...
are frequently referred to as "hills" no matter what their height, as reflected in names such as the
Cuillin The Cuillin ( gd, An Cuiltheann) is a range of mostly jagged rocky mountains on the Isle of Skye in Scotland. The main Cuillin ridge is also called the Black Cuillin to distinguish it from the Red Cuillin ('), which lie to the east of Glen Slig ...
Hills and the
Torridon Hills The Torridon Hills surround Torridon village in the Northwest Highlands of Scotland. The name is usually applied to the mountains to the north of Glen Torridon. They are among the most dramatic and spectacular peaks in the British Isles and made ...
. In Wales, the distinction is more a term of land use and appearance and has nothing to do with height. For a while, the US defined a mountain as being or more tall. Any similar landform lower than this height was considered a hill. The
United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...
, however, has concluded that these terms do not in fact have technical definitions in the US The ''
Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...
'' defined "hill" as an upland with a
relative height In topography, prominence (also referred to as autonomous height, relative height, and shoulder drop in US English, and drop or relative height in British English) measures the height of a mountain or hill's summit relative to the lowest contou ...
up to . A
hillock A hillock or knoll is a small hill,The Free Dictionary
"hillock" entry, retrieved December 18, 2007
...
is a small hill. Other words include knoll and (in Scotland, Northern Ireland and northern England) its variant, knowe. Artificial hills may be referred to by a variety of technical names, including
mound A mound is a heaped pile of earth, gravel, sand, rocks, or debris. Most commonly, mounds are earthen formations such as hills and mountains, particularly if they appear artificial. A mound may be any rounded area of topographically higher ...
and
tumulus A tumulus (plural tumuli) is a mound of earth and stones raised over a grave or graves. Tumuli are also known as barrows, burial mounds or ''kurgans'', and may be found throughout much of the world. A cairn, which is a mound of stones bu ...
. Hills may form through
geomorphic Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or ...
phenomena:
faulting In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic ...
,
erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is dis ...
of larger landforms such as mountains and movement and deposition of
sediment Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sa ...
by
glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...
s (notably moraines and
drumlin A drumlin, from the Irish word ''droimnín'' ("littlest ridge"), first recorded in 1833, in the classical sense is an elongated hill in the shape of an inverted spoon or half-buried egg formed by glacial ice acting on underlying unconsolidated ...
s or by erosion exposing solid rock which then weathers down into a hill). The rounded peaks of hills results from the diffusive movement of
soil Soil, also commonly referred to as earth or dirt Dirt is an unclean matter, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty. Common types of dirt include: * Debri ...
and
regolith Regolith () is a blanket of unconsolidated, loose, heterogeneous superficial deposits covering solid rock. It includes dust, broken rocks, and other related materials and is present on Earth, the Moon, Mars, some asteroids, and other terrestr ...
covering the hill, a process known as
downhill creep Downhill creep, also known as soil creep or commonly just creep, is a type of creep characterized by the slow, downward progression of rock and soil down a low grade slope; it can also refer to slow deformation of such materials as a result of ...
. Various names may be used to describe types of hills, based on appearance and method of formation. Many such names originated in one geographical region to describe a type of hill formation peculiar to that region, though the names are often adopted by
geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althoug ...
s and used in a wider geographical context. These include: * Brae – Scots,
Ulster Ulster (; ga, Ulaidh or ''Cúige Uladh'' ; sco, label= Ulster Scots, Ulstèr or ''Ulster'') is one of the four traditional Irish provinces. It is made up of nine counties: six of these constitute Northern Ireland (a part of the United Kin ...
, and North of England term for a hillside or brow of a hill. *
Drumlin A drumlin, from the Irish word ''droimnín'' ("littlest ridge"), first recorded in 1833, in the classical sense is an elongated hill in the shape of an inverted spoon or half-buried egg formed by glacial ice acting on underlying unconsolidated ...
– an elongated whale-shaped hill formed by glacial action. *
Butte __NOTOC__ In geomorphology, a butte () is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and tablelands. The word ''butte'' comes from a French word me ...
– an isolated hill with steep sides and a small flat top, formed by
weathering Weathering is the deterioration of rocks, soils and minerals as well as wood and artificial materials through contact with water, atmospheric gases, and biological organisms. Weathering occurs ''in situ'' (on site, with little or no movement) ...
. * ''
Kuppe A ''Kuppe'' is the term used in German-speaking central Europe for a mountain or hill with a rounded summit that has no rock formation, such as a tor, on it. A range of such hills is called a ''Kuppengebirge''. In geology the term also refers to ...
'' – a rounded hill or low mountain, typical of
Central Europe Central Europe is an area of Europe between Western Europe and Eastern Europe, based on a common historical, social and cultural identity. The Thirty Years' War (1618–1648) between Catholicism and Protestantism significantly shaped the a ...
. * Tor – a rock formation found on a hilltop; also used to refer to the hill, especially in
South West England South West England, or the South West of England, is one of nine official regions of England. It consists of the counties of Bristol, Cornwall (including the Isles of Scilly), Dorset, Devon, Gloucestershire, Somerset and Wiltshire. Cities ...
and the
Peak District The Peak District is an upland area in England at the southern end of the Pennines. Mostly in Derbyshire, it extends into Cheshire, Greater Manchester, Staffordshire, West Yorkshire and South Yorkshire. It includes the Dark Peak, where moorla ...
. * Puy – used especially in the
Auvergne Auvergne (; ; oc, label= Occitan, Auvèrnhe or ) is a former administrative region in central France, comprising the four departments of Allier, Puy-de-Dôme, Cantal and Haute-Loire. Since 1 January 2016, it has been part of the new region Au ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...
, to describe a conical
volcanic A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates a ...
hill. * Pingo – a mound of earth-covered ice found in the
Arctic The Arctic ( or ) is a polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada (Yukon, Northwest Territories, Nunavut), Danish Realm (Greenland), Finland, Iceland, N ...
and
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest cont ...
.


Historical significance

Many settlements were originally built on hills, either to avoid floods (particularly if they were near a large body of water), for defense (since they offer a good view of the surrounding land and require would-be attackers to fight uphill), or to avoid densely forested areas. For example,
Ancient Rome In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 BC ...
was built on seven hills, helping to protect it from invaders. Some settlements, particularly in the Middle East, are located on artificial hills consisting of debris (particularly
mudbricks A mudbrick or mud-brick is an air-dried brick, made of a mixture of loam, mud, sand and water mixed with a binding material such as rice husks or straw. Mudbricks are known from 9000 BCE, though since 4000 BCE, bricks have also been f ...
) that has accumulated over many generations. Such a location is known as a " tell". In Northern Europe, many ancient monuments are sited in heaps. Some of these are defensive structures (such as the hillforts of the
Iron Age The Iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity. It was preceded by the Stone Age ( Paleolithic, Mesolithic, Neolithic) and the Bronze Age ( Chalcolithic). The concept has been mostl ...
), but others appear to have hardly any significance. In Britain, many churches at the tops of hills are thought to have been built on the sites of earlier pagan holy places. The
Washington National Cathedral The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, commonly known as Washington National Cathedral, is an American cathedral of the Episcopal Church. The cathedral is located in Washington, D.C., the ca ...
in
Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
has followed this tradition and was built on the highest hill in that city.


Military significance

Hills provide a major advantage to an army, giving them an elevated firing position and forcing an opposing army to charge uphill to attack a
fort A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
or other position. They may also conceal forces behind them, allowing a force to lie in wait on the crest of a hill, using that crest for cover, and firing on unsuspecting attackers as they broach the hilltop. As a result, conventional military strategies often demand possession of high ground. Hills have been the sites of many noted battles, such as the Battle of Alesia in 52 BC and the first recorded military conflict in Scotland, the
Battle of Mons Graupius The Battle of Mons Graupius was, according to Tacitus, a Roman Empire, Roman military victory in what is now Scotland, taking place in AD 83 or, less probably, 84. The exact location of the battle is a matter of debate. Historians have long que ...
in AD 83. Modern era conflicts include the 1775 Battle of Bunker Hill (which was actually fought on Breed's Hill) in the American War of Independence; and Cemetery Hill and
Culp's Hill Culp's Hill,. The modern U.S. Geographic Names System refers to "Culps Hill". which is about south of the center of Gettysburg, Pennsylvania, played a prominent role in the Battle of Gettysburg. It consists of two rounded peaks, separated by a ...
in the 1863
Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the Po ...
, the turning point of the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...
. The
Battle of San Juan Hill The Battle of San Juan Hill, also known as the Battle for the San Juan Heights, was a major battle of the Spanish–American War fought between an American force under the command of William Rufus Shafter and Joseph Wheeler against a Spanish fo ...
in the 1898
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (cloc ...
won Americans control of
Santiago de Cuba Santiago de Cuba is the second-largest city in Cuba and the capital city of Santiago de Cuba Province. It lies in the southeastern area of the island, some southeast of the Cuban capital of Havana. The municipality extends over , and contains ...
. Battles for high ground have often resulted in extensive losses to both attackers and defenders, such as the 1969 Battle of Hamburger Hill during the
Vietnam War The Vietnam War (also known by other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam a ...
, the Battle of Stalingrad and
Battle of Peleliu The Battle of Peleliu, codenamed Operation Stalemate II by the US military, was fought between the United States and Japan during the Mariana and Palau Islands campaign of World War II, from September 15 to November 27, 1944, on the island of ...
during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
, and the 1969
Kargil War The Kargil War, also known as the Kargil conflict, was fought between India and Pakistan from May to July 1999 in the Kargil district of Jammu and Kashmir and elsewhere along the Line of Control (LoC). In India, the conflict is also referr ...
between India and Pakistan. The
Great Wall of China The Great Wall of China (, literally "ten thousand ''li'' wall") is a series of fortifications that were built across the historical northern borders of ancient Chinese states and Imperial China as protection against various nomadic gro ...
is an enduring example of hilltop fortification. It was built on hilltops to help defend against invaders from the north, such as
Mongols The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal membe ...
.


Sports and games

Hillwalking Walking is one of the most popular outdoor recreational activities in the United Kingdom, and within England and Wales there is a comprehensive network of rights of way that permits access to the countryside. Furthermore, access to much unculti ...
is a
British English British English (BrE, en-GB, or BE) is, according to Lexico, Oxford Dictionaries, "English language, English as used in Great Britain, as distinct from that used elsewhere". More narrowly, it can refer specifically to the English language in ...
term for a form of
hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...
which involves the ascent of hills. The activity is usually distinguished from mountaineering as it does not involve ropes or technically difficult rock climbing, although the terms mountain and hill are often used interchangeably in Britain. Hillwalking is popular in hilly areas such as the English
Peak District The Peak District is an upland area in England at the southern end of the Pennines. Mostly in Derbyshire, it extends into Cheshire, Greater Manchester, Staffordshire, West Yorkshire and South Yorkshire. It includes the Dark Peak, where moorla ...
and the
Scottish Highlands The Highlands ( sco, the Hielands; gd, a’ Ghàidhealtachd , 'the place of the Gaels') is a historical region of Scotland. Culturally, the Highlands and the Lowlands diverged from the Late Middle Ages into the modern period, when Lowland S ...
. Many hills are categorized according to relative height or other criteria and feature on lists named after mountaineers, such as
Munro A Munro () is defined as a mountain in Scotland with a height over , and which is on the Scottish Mountaineering Club (SMC) official list of Munros; there is no explicit topographical prominence requirement. The best known Munro is Ben Nev ...
s (Scotland) and
Wainwrights Wainwrights are the 214 English peaks (known locally as '' fells'') described in Alfred Wainwright's seven-volume '' Pictorial Guide to the Lakeland Fells'' (1955–66). They all lie within the boundary of the Lake District National Park in Cum ...
(England). Specific activities such as "
peak bagging Peak bagging or hill bagging is an activity in which hikers, climbers, and mountaineers attempt to reach a collection of summits, published in the form of a list. This activity has been popularized around the world, with lists such as 100 Peaks ...
" (or "Munro bagging") involve climbing hills on these lists with the aim of eventually climbing every hill on the list. Cooper's Hill Cheese-Rolling and Wake is an annual event in the
West Country The West Country (occasionally Westcountry) is a loosely defined area of South West England, usually taken to include all, some, or parts of the counties of Cornwall, Devon, Dorset, Somerset, Bristol, and, less commonly, Wiltshire, Glo ...
of
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
which involves rolling a wheel of cheese down a hill. Contestants stand at the top and chase the wheel of cheese to the bottom. The winner, the one who catches the cheese, gets to keep the wheel of cheese as a prize.
Cross country running Cross country running is a sport in which teams and individuals run a race on open-air courses over natural terrain such as dirt or grass. The course, typically long, may include surfaces of grass and earth, pass through woodlands and open cou ...
courses may include hills which can add diversity and challenge to those courses.


Notable artificial hills

*
Sophienhöhe The Sophienhöhe (301.8 m AMSL) is the largest artificial hill worldwide, created by surface mining at the open cast lignite mine Tagebau Hambach operated by RWE Power AG in Düren (district), North Rhine-Westphalia, Germany. Location Sophien ...
, Germany () * Monte Kaolino, Germany () * , Sweden () * Malminkartanonhuippu, Finland () * Mausoleum of the First Qin Emperor, China () * Five Sisters Bing, Scotland () * Expedition Everest, Florida () * Monte Stella, Italy () * Blackstrap Ski Hill, Canada () * Jingshan Hill, China () *
Silbury Hill Silbury Hill is a prehistoric artificial chalk mound near Avebury in the English county of Wiltshire. It is part of the Stonehenge, Avebury and Associated Sites UNESCO World Heritage Site. At high, it is the tallest prehistoric man-made mound ...
, England () * Grizzly Peak, California () * Mount Manisty, England () *
Monks Mound Monks Mound is the largest Pre-Columbian earthwork in the Americas and the largest pyramid north of Mesoamerica. The beginning of its construction dates from 900–955 CE. Located at the Cahokia Mounds UNESCO World Heritage Site near Collinsvil ...
, Illinois () *
Mount Gushmore Disney's Blizzard Beach is a water park, water theme park located at the Walt Disney World, Walt Disney World Resort in Bay Lake, Florida near Orlando, Florida, Orlando. All water areas are heated (at approximately ), with the exception of the ...
, Florida ()


Gallery

File:Snow at Paranal Observatory.jpg, Cerro Paranal in Chile is a privileged place for astronomical observation, and home of ESO's telescopes. File:One_Tree_Hill_Auckland._(8953921433).jpg, Maungakiekie / One Tree Hill is a prominent feature of the skyline of
Auckland Auckland (pronounced ) ( mi, Tāmaki Makaurau) is a large metropolitan city in the North Island of New Zealand. The most populous urban area in the country and the fifth largest city in Oceania, Auckland has an urban population of about ...
, New Zealand. File:Giv'at Seled, near Tzafririm.jpg, Hill in Israel File:DirkvdM orosi hill plantation.jpg, A coffee plantation on a conical hill near Orosí, Costa Rica. File:Malminkartanonhuippu4.jpg, An arrow pointing towards the top of the Malminkartanonhuippu hill in
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the capital, primate, and most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of Uusimaa in southern Finland, and has a population of . The city ...
, Finland. File:Xn ant hill.jpg, An ant mound, or ant-hill, a mound sometimes casually referred to as a hill File:تل_شمامك_الأثري_في_أربيل.jpg , The archaeological hill of Qasr shamamk in Erbil File:تل_علياوا_(2).jpg, The archaeological hill of Aliawa in Erbil


See also

* * * * * * * * * "" * * * * * * *


References


External links


Earth Sculpture; Or, The Origin of Land-forms

The International Geography
{{Authority control Slope landforms