Ha-ha (garden)
Encyclopedia
Ha-ha is a term in garden design that refers to a trench
Trench
A trench is a type of excavation or depression in the ground. Trenches are generally defined by being deeper than they are wide , and by being narrow compared to their length ....

, one side of which is concealed from view, designed to allow an unobstructed view from a garden
Garden
A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature. The garden can incorporate both natural and man-made materials. The most common form today is known as a residential garden, but the term garden has...

, pleasure-ground, or park
Park
A park is a protected area, in its natural or semi-natural state, or planted, and set aside for human recreation and enjoyment, or for the protection of wildlife or natural habitats. It may consist of rocks, soil, water, flora and fauna and grass areas. Many parks are legally protected by...

, while maintaining a physical barrier in one direction, usually to keep livestock out that are kept on an expansive estate or parcel. It also may be used to mean a ditch, one side of which is vertical and faced with stone, the other face sloped and turfed
Sod
Sod or turf is grass and the part of the soil beneath it held together by the roots, or a piece of thin material.The term sod may be used to mean turf grown and cut specifically for the establishment of lawns...

, making the trench, in effect, a retaining wall
Retaining wall
Retaining walls are built in order to hold back earth which would otherwise move downwards. Their purpose is to stabilize slopes and provide useful areas at different elevations, e.g...

, sometimes known as a "deer leap".

Before the advent of mechanical lawnmowers a commonly-used way to keep grass trimmed was to allow livestock
Livestock
Livestock refers to one or more domesticated animals raised in an agricultural setting to produce commodities such as food, fiber and labor. The term "livestock" as used in this article does not include poultry or farmed fish; however the inclusion of these, especially poultry, within the meaning...

, usually sheep, to graze; a ha-ha allowed them to feed on the grounds of large estates while keeping them off the lawn
Lawn
A lawn is an area of aesthetic and recreational land planted with grasses or other durable plants, which usually are maintained at a low and consistent height. Low ornamental meadows in natural landscaping styles are a contemporary option of a lawn...

 and gardens adjoining the house without a visible barrier and allowing an unobstructed vista from the house and gardens.

Origins

The ha-ha consorted well with Chinese
Culture of China
Chinese culture is one of the world's oldest and most complex. The area in which the culture is dominant covers a large geographical region in eastern Asia with customs and traditions varying greatly between towns, cities and provinces...

 gardening ideas of concealing barriers with nature, but its Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an origins are earlier than the European discovery of Chinese gardening.

The basic design of sunken ditches is of ancient origins, being a feature of deer parks in England from Norman times
Norman conquest of England
The Norman conquest of England began on 28 September 1066 with the invasion of England by William, Duke of Normandy. William became known as William the Conqueror after his victory at the Battle of Hastings on 14 October 1066, defeating King Harold II of England...

 onward. For example, between Dover
Dover
Dover is a town and major ferry port in the home county of Kent, in South East England. It faces France across the narrowest part of the English Channel, and lies south-east of Canterbury; east of Kent's administrative capital Maidstone; and north-east along the coastline from Dungeness and Hastings...

 and Canterbury
Canterbury
Canterbury is a historic English cathedral city, which lies at the heart of the City of Canterbury, a district of Kent in South East England. It lies on the River Stour....

 there is a farm, Parkside Farm, which takes its name from a deer park established by Bishop Odo, the brother of William the Conqueror, where remnants of the ditch still survive. During his excavations at Iona
Iona
Iona is a small island in the Inner Hebrides off the western coast of Scotland. It was a centre of Irish monasticism for four centuries and is today renowned for its tranquility and natural beauty. It is a popular tourist destination and a place for retreats...

 in the period 1964–1974, Richard Reece discovered an 18th-century ha-ha to protect the abbey from cattle.

In its modern form, the concept and term are of French origin, with the term being attested in toponyms in New France
New France
New France was the area colonized by France in North America during a period beginning with the exploration of the Saint Lawrence River by Jacques Cartier in 1534 and ending with the cession of New France to Spain and Great Britain in 1763...

 from 1686 (as seen in modern times in Saint-Louis-du-Ha! Ha!), and being a feature of the gardens of the Château de Meudon
Château de Meudon
The former Château de Meudon, on a hill in Meudon, about 4 kilometres south-west of Paris, occupied the terraced steeply sloping site. It was acquired by Louis XIV, who greatly expanded its as a residence for Louis, le Grand Dauphin...

, circa 1700. The technical innovation was presented in Dezallier d'Argenville
Dezallier d'Argenville
The family of Dezallier d'Argenville produced two writers and connoisseurs in the course of the 18th century.Antoine-Joseph Dezallier d'Argenville , avocat to the Parlement de Paris and secretary to the king, was a connoisseur of gardening who laid out two for himself and his family, before writing...

's La theorie et la pratique du jardinage (1709), which was translated into English by the architect John James (1712):

"Grills of iron are very necessary ornaments in the lines of walks, to extend the view, and to show the country to advantage. At present we frequently make thoroughviews, called Ah, Ah, which are openings in the walls, without grills, to the very level of the walks, with a large and deep ditch at the foot of them, lined on both sides to sustain the earth, and prevent the getting over; which surprises the eye upon coming near it, and makes one laugh, Ha! Ha! from where it takes its name. This sort of opening is haha, on some occasions, to be preferred, for that it does not at all interrupt the prospect, as the bars of a grill do."


In Britain, the ha-ha is a feature in the landscape garden
Landscape garden
The term landscape garden is often used to describe the English garden design style characteristic of the eighteenth century, that swept the Continent replacing the formal Renaissance garden and Garden à la française models. The work of Lancelot 'Capability' Brown is particularly influential.The...

s laid out by Charles Bridgeman
Charles Bridgeman
Charles Bridgeman was an English garden designer in the onset of the naturalistic landscape style. Although he was a key figure in the transition of English garden design from the Anglo-Dutch formality of patterned parterres and avenues to a freer style that incorporated formal, structural and...

 and by William Kent
William Kent
William Kent , born in Bridlington, Yorkshire, was an eminent English architect, landscape architect and furniture designer of the early 18th century.He was baptised as William Cant.-Education:...

 and the device was an essential component of the "swept" views of Capability Brown
Capability Brown
Lancelot Brown , more commonly known as Capability Brown, was an English landscape architect. He is remembered as "the last of the great English eighteenth-century artists to be accorded his due", and "England's greatest gardener". He designed over 170 parks, many of which still endure...

. Horace Walpole credits Bridgeman with the invention of the haha (Walpole 1780), but he was unaware of the earlier French origins.

"The contiguous ground of the park without the sunk fence was to be harmonized with the lawn within; and the garden in its turn was to be set free from its prim regularity, that it might assort with the wilder country without."

The etymology of the term is generally given as being an expression of surprise – “ha ha” or “ah! ah!” is exclaimed on encountering such a feature. This is the explanation given in French, where it is traditionally attributed to Louis, Grand Dauphin
Louis, Grand Dauphin
Louis of France was the eldest son and heir of Louis XIV, King of France, and his spouse, Maria Theresa of Spain. As the heir apparent to the French throne, he was styled Dauphin...

, on encountering such features at Meudon, by d'Argenville (trans. James), above, and by Walpole, who surmised that the name is derived from the response of ordinary folk on encountering them and that they were, "...then deemed so astonishing, that the common people called them Ha! Has! to express their surprise at finding a sudden and unperceived check to their walk."

Examples

Most typically ha-has are still found in the grounds of grand country houses and estates and act as a means of keeping the cattle and sheep in the pastures and out of the formal gardens, without the need for obtrusive fencing. They vary in depth from about 2 feet (0.6 m) (Horton House) to 9 feet (2.7 m) (Petworth
Petworth
Petworth is a small town and civil parish in the Chichester District of West Sussex, England. It is located at the junction of the A272 east-west road from Heathfield to Winchester and the A283 Milford to Shoreham-by-Sea road. Some twelve miles to the south west of Petworth along the A285 road...

).

Ha-has were used in North America as well. Only two are believed to remain in Canada, one of which is on the grounds of Nova Scotia's Uniacke House (1813), a rural estate built by Richard John Uniacke, an Irish-born Attorney-General of Nova Scotia.

An unusually long example is the ha-ha separating the Royal Artillery
Royal Artillery
The Royal Regiment of Artillery, commonly referred to as the Royal Artillery , is the artillery arm of the British Army. Despite its name, it comprises a number of regiments.-History:...

 Barrack Field from Woolwich Common
Woolwich Common
Woolwich Common is an area of military land located to the south of the town centre of Woolwich in South East London England.It is bounded on the south side by the A207 Shooter's Hill Road, and on the east by Academy Road that the former Royal Military Academy fronts. Situated to the west is the...

 in southeast London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

. This deep ha-ha was installed around 1774 to prevent sheep and cattle, grazing on Woolwich Common as a stopover on their journey to the London meat markets, from wandering onto the Royal Artillery gunnery range. A rare feature of this east-west ha-ha is that the normally-hidden brick wall emerges above ground for its final 70 or so meters as the land falls away to the West, revealing a fine batter to the brickwork face of the so exposed wall - this final west section of the ha-ha forms the boundary of the Gatehouse by James Wyatt
James Wyatt
James Wyatt RA , was an English architect, a rival of Robert Adam in the neoclassical style, who far outdid Adam in his work in the neo-Gothic style.-Early classical career:...

 RA. The Royal Artillery Ha-Ha is maintained in a good state of preservation by the Ministry of Defence
Ministry of Defence (United Kingdom)
The Ministry of Defence is the United Kingdom government department responsible for implementation of government defence policy and is the headquarters of the British Armed Forces....

, it is a Listed Building, and is accompanied by Ha-Ha Road that runs alongside its full length. There is a shorter ha-ha in the grounds of the nearby Jacobean
Jacobean architecture
The Jacobean style is the second phase of Renaissance architecture in England, following the Elizabethan style. It is named after King James I of England, with whose reign it is associated.-Characteristics:...

 Charlton House
Charlton House
Among several English houses with the name Charlton House, the most prominent is a Jacobean building in Charlton, London. It is regarded as the best-preserved ambitious Jacobean house in Greater London. It was built in 1607-12 of red brick with stone dressing, and has an "E"-plan layout...

 and, perhaps suggesting that the art of employing ha-has is not entirely lost, there is an example of a similar wall nearby Severndroog Castle
Severndroog Castle
Severndroog Castle is a folly situated in Oxleas Wood, on Shooter's Hill in south-east London in the London Borough of Greenwich. It was designed by architect Richard Jupp in 1784....

 in Oxleas Wood
Oxleas Wood
Oxleas Wood is one of the few remaining areas of ancient deciduous forest in the London Borough of Greenwich in southeast London, dating back over 8,000 years...

, constructed with what seems to be World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 bomb damage brickwork.

Ha-has were also used at Victorian-Era lunatic asylums such as Yarra Bend Asylum
Yarra Bend Asylum
Yarra Bend Asylum was the first permanent institution established in Victoria that was devoted to the treatment of the mentally ill. It opened in 1848 as a ward of the Asylum at Tarban Creek in New South Wales. It was not officially called Yarra Bend Asylum until July 1851 when the Port Phillip...

 and Kew Lunatic Asylum
Kew Asylum
Kew Lunatic Asylum is a decommissioned psychiatric hospital located between Princess Street and Yarra Boulevard in Kew, a suburb of Melbourne, Australia. Operational from 1871 to 1988, Kew was one of the largest asylums ever built in Australia. Later known as Willsmere, the complex of buildings...

 in Australia. From the inside, the walls presented a tall face to patients, preventing them from escaping, while from outside the walls looked low so as not to suggest imprisonment. Kew Asylum has been redeveloped as apartments; however some of the ha-has remain, albeit partially filled in.

A recent use of a ha-ha is at the Washington Monument
Washington Monument
The Washington Monument is an obelisk near the west end of the National Mall in Washington, D.C., built to commemorate the first U.S. president, General George Washington...

 to minimize the visual impact of security measures. After 9-11
September 11, 2001 attacks
The September 11 attacks The September 11 attacks The September 11 attacks (also referred to as September 11, September 11th or 9/119/11 is pronounced "nine eleven". The slash is not part of the pronunciation...

 and another unrelated terror threat at the monument, authorities had put up jersey barrier
Jersey barrier
A Jersey barrier or Jersey wall is a modular concrete barrier employed to separate lanes of traffic. It is designed to both minimize vehicle damage in cases of incidental contact while still preventing crossover in the case of head-on accidents....

s to restrict cars from approaching the monument. The new one-sided ha-ha, a low 0.76 m (30-inch) granite stone wall that doubles as a seating bench and also incorporates lighting, received the 2005 Park/Landscape Award of Merit.

In fiction

  • In the Terry Pratchett
    Terry Pratchett
    Sir Terence David John "Terry" Pratchett, OBE is an English novelist, known for his frequently comical work in the fantasy genre. He is best known for his popular and long-running Discworld series of comic fantasy novels...

     Discworld
    Discworld
    Discworld is a comic fantasy book series by English author Sir Terry Pratchett, set on the Discworld, a flat world balanced on the backs of four elephants which, in turn, stand on the back of a giant turtle, Great A'Tuin. The books frequently parody, or at least take inspiration from, J. R. R....

     novel Men at Arms
    Men at Arms
    Men at Arms is the 15th Discworld novel by Terry Pratchett first published in 1993. It is the second novel about the Ankh-Morpork City Watch on the Discworld. Lance-constable Angua von Überwald, later in the series promoted to the rank of Sergeant, is introduced in this book...

    , a similar landscape boundary is used for a comedic twist: designed by ill-famed engineer Bergholt Stuttley Johnson, the ha-ha is accidentally specified to be 50 feet deep, is called a hoho, and is reported to have claimed the lives of three gardeners. In Pratchett's book with Neil Gaiman
    Neil Gaiman
    Neil Richard Gaiman born 10 November 1960)is an English author of short fiction, novels, comic books, graphic novels, audio theatre and films. His notable works include the comic book series The Sandman and novels Stardust, American Gods, Coraline, and The Graveyard Book...

    , Good Omens
    Good Omens
    Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch is a World Fantasy Award nominated novel written in collaboration between the English authors Terry Pratchett and Neil Gaiman....

    during a gun battle at an old English country house a character in the book is said to be lying face down in the ha-ha, but not to be very amused by it
  • In The Island of Doctor Moreau
    The Island of Doctor Moreau
    The Island of Doctor Moreau is an 1896 science fiction novel written by H. G. Wells. It is told from the point of view of a man named Edward Prendick who is shipwrecked, rescued by a passing boat, and then left at the ship's destination by the crew along with the ship's cargo of exotic animals...

    by H. G. Wells
    H. G. Wells
    Herbert George Wells was an English author, now best known for his work in the science fiction genre. He was also a prolific writer in many other genres, including contemporary novels, history, politics and social commentary, even writing text books and rules for war games...

    , a "steep-walled gap" on the island is compared to "the ha-ha of an English park"
  • Edward Gorey
    Edward Gorey
    Edward St. John Gorey was an American writer and artist noted for his macabre illustrated books.-Early life:...

    's The Awdrey-Gore Legacy, a satire on overcomplicated murder mysteries, ha-ha is one of the typical places where the body of a murder victim might be found
  • In Tom Stoppard's Arcadia
    Arcadia (play)
    Arcadia is a 1993 play by Tom Stoppard concerning the relationship between past and present and between order and disorder and the certainty of knowledge...

    , the ha-ha is discussed in relation to the Capability Brown garden and is used as one of the links between the nineteenth and twentieth century characters
  • In Jane Austen's Mansfield Park
    Mansfield Park
    Mansfield Park may mean:* Mansfield Park by Jane Austen* Mansfield Park , based on the novel, directed by Patricia Rozema, starring Frances O'Connor, Embeth Davidtz, and Sheila Gish in 1999...

    a ha-ha prevents the more sensible characters from getting around a locked gate and into the woodland beyond. Maria Bertram sends her fiance Mr Rushworth back for the keys and then proceeds to edge out over the ha-ha to pass round the gate, and Mr Crawford follows. Fanny warns Maria against falling into the ha-ha or tearing her dress, but she is ignored, and left waiting on the bench for Mr Rushworth's return. The potential to fall into the ha-ha here represents Maria's imminent moral decline and foreshadows her exclusion beyond the boundaries of civilised society due to her later elopement with Henry Crawford.

Ice house connection

Ice houses are sometimes found built into ha-ha walls because they provide a very subtle entrance way that allows the ice house as a structure to be less intrusive.
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