Beating the bounds

Beating the bounds or perambulating the bounds is an ancient custom still observed in parts of England, Wales, and the New England region of the United States, which traditionally involved swatting local landmarks with branches to maintain a shared mental map of parish boundaries, usually every seven years.
These ceremonial events occur on what are sometimes called Gangdays; the custom of going a-ganging was kept before the Norman Conquest. During the event, a group of prominent citizens from the community, which can be an English church parish, New England town, or other civil division, will walk the geographic boundaries of their locality for the purpose of maintaining the memory of the precise location of these boundaries. While modern surveying techniques have rendered these ceremonial walks largely irrelevant, the practice often remains as an important local civic ceremony and in some cases remains a legal requirement for civic leaders.
Ceremony.
In former times when maps were rare, it was usual to make a formal perambulation of the parish boundaries on Ascension Day or during Rogation week. Knowledge of the limits of each parish needed to be handed down so that such matters as liability to contribute to the repair of the church or the right to be buried within the churchyard were not disputed. The relevant jurisdiction was that of the ecclesiastical courts. The priest of the parish with the churchwardens and the parochial officials headed a crowd of boys who beat the parish boundary markers with green boughs, usually birch or willow, Sometimes the boys were whipped or violently bumped on the boundary stones to make them remember. The object of taking boys along is supposed to ensure that witnesses to the boundaries should survive as long as possible. Priests would pray for its protection in the forthcoming year, and often Psalms 103 and 104 were recited, and the priest would say such sentences as "Cursed is he who transgresseth the bounds or doles of his neighbour". Hymns would be sung, indeed a number of hymns are titled for their role, and many places in the English countryside bear names such as Gospel Oak testifying to their role in the beating of the bounds.
The ceremony had an important practical purpose. Checking the boundaries was a way of preventing encroachment by neighbours; sometimes boundary markers would be moved or lines obscured, and a folk memory of the true extent of the parish was necessary to maintain integrity of borders by embedding knowledge in oral traditions. For a village man dwelling in champion country, under the traditional open field system, George Homans remarks, "the bounds of his village were the most important bounds he knew." Village and parish were coterminous. The modern system of metes and bounds operates fundamentally similarly, giving a prose definition of a property as if walking about it.
At Manchester in 1597, John Dee recorded in his diary that he with the curate, the clerk and "diverse of the town of diverse ages" perambulated the bounds of the parish taking six days in all. At Turnworth in Dorset the parish register records the perambulation for 1747 thus:
In a few cases such as the Corporation of the City of Portsmouth the bounds were on the shoreline, and the route was followed by boat rather than on foot.
Origins.
In England, the custom dates from Anglo-Saxon times, as it is mentioned in laws of Alfred the Great and Æthelstan. It is thought that it may have been derived from the Roman "Terminalia", a festival celebrated on February 22 in honour of Terminus, the god of landmarks, to whom cakes and wine were offered while sports and dancing took place at the boundaries. Similar practices, of pagan origin, were brought by the Norsemen.
In England, a parish ale, a feast, was held after the perambulation, which assured its popularity. In Henry VIII's reign the occasion had become an excuse for so much revelry that it attracted the condemnation of a preacher who declared, "These solemne and accustomable processions and supplications be nowe growen into a right foule and detestable abuse."
Beating the bounds had a religious aspect which is reflected in the rogation, where the accompanying clergy beseech (Latin "rogare") the divine blessing upon the parish lands for the ensuing harvest. This feature originated in the 5th century, when Mamertus, Archbishop of Vienne, instituted special prayers, fasting and processions on these days. This clerical side of the parish bounds-beating was one of the religious functions prohibited by the Royal Injunctions of Elizabeth I in 1559; but it was then ordered that the perambulation should continue to be performed as a quasi-secular function, so that evidence of the boundaries of parishes, etc., might be preserved.
Bequests were sometimes made in connection with bounds-beating. For example, at Leighton Buzzard on Rogation Monday, in accordance with the will of Edward Wilkes, a London merchant who died in 1646, the trustees of his almshouses accompanied the boys. The will was read and beer and plum rolls distributed. A remarkable feature of the bequest was that while the will is read one of the boys has to stand on his head.
Contemporary observances.
England.
Although modern surveying techniques make the ceremony obsolete, at least for its secular purpose, many English parishes carry out a regular beating of the bounds, as a way of strengthening the community and giving it a sense of place. 
The Tower Liberties area surrounding the Tower of London and the neighbouring parish of All Hallows have kept the custom for over seven centuries, both traditions take place on the same day. When the processions of bound-beaters meet, they take part in a mock confrontation commemorating a riot that happened on one occasion in 1698.
In 1865–66 William Robert Hicks was mayor of Bodmin in Cornwall, when he revived the custom of beating the bounds of the town. This still takes place more or less every five years and concludes with a game of Cornish hurling. Hurling survives as a traditional part of beating the bounds at Bodmin, commencing at the close of the 'Beat'. The game is organised by the Rotary club of Bodmin and was last played in 2015. The game is started by the mayor of Bodmin by throwing a silver ball into a body of water known as the "Salting Pool". There are no teams and the hurl follows a set route. The aim is to carry the ball from the "Salting Pool" via the old A30, along Callywith Road, then through Castle Street, Church Square and Honey Street to finish at the Turret Clock in Fore Street. The participant carrying the ball when it reaches the turret clock will receive a £10 reward from the mayor.
Traditional beating the bounds customs have also taken place in recent times in other parts of Cornwall, Richmond, Yorkshire Barking, London, and Addlestone, Surrey.
In Brightlingsea, Essex, the beating of the bounds is performed in tandem with the "blessing and reclaiming of the waters"; a church service is held at the town's harbour and then the church and civic dignitaries travel the coastal bounds in a sailing vessel where a 'din' is sounded with bells, whistles, shouts and other noise.
New England.
Perambulation of the town borders is a traditional duty of town boards of selectmen in the American states of Massachusetts, New Hampshire, Maine (certain towns), and Connecticut (certain towns). In February 2020, the Portland Press Herald reported that "Maine law used to require neighboring towns to perambulate, or walk their boundaries, every 10 years. In the last century that practice became rare, and in the 1980s, the requirement was taken off the books," according to Robert Yarumian, "a professional land surveyor and owner of Maine Boundary Consultants in Buxton". 
Current Vermont statutes make no reference to town boundary perambulation. New Hampshire lawmakers in 2005 and 2015 rejected bills that would have abandoned the requirement that local officials walk their town lines every seven years, though there is no penalty for noncompliance.
State boundaries.
The laws of Vermont and New Hampshire require the attorneys general of those states to meet once every seven years to perambulate the boundary between the two states. They do not walk along the Connecticut River, but they meet at the boundary and formally reaffirm their mutual understanding of the precise location of the boundary. The location had been disputed in the United States Supreme Court in the case of "Vermont v. New Hampshire", decided in 1933.
The boundary of Connecticut, which meets the states of Massachusetts, Rhode Island, and New York, is perambulated every ten years by the Connecticut Department of Transportation.
Germany.
The town of Biedenkopf, in Hesse, observes a beating of the bounds – called the "" – every seven years.
Further reading.
Berwick, David A. "Beating the Bounds in Georgian Norwich". Larks Press (www.booksatlarkspress.co.uk), Ordnance Farmhouse, Guist Bottom, Dereham, Norfolk, UK: 2007. 