There are three related types of Neolithic earthwork that are all sometimes loosely called henges. The essential characteristic of all three is that they feature a ring-shaped bank and ditch, with the ditch inside the bank. Because the internal ditches would have served defensive purposes poorly, henges are not considered to have been defensive constructions. The three henge types are as follows, with the figure in brackets being the approximate diameter of the central flat area:
- Henge. The word henge refers to a particular type of earthwork of the Neolithic period, typically consisting of a roughly circular or oval-shaped bank with an internal ditch surrounding a central flat area of more than 20 m (66 ft) in diameter. There is typically little if any evidence of occupation in a henge, although they may contain ritual structures such as stone circles, timber circles and coves. Henge monument is sometimes used as a synonym for henge. Henges sometimes, but by no means always, featured stone or timber circles, and circle henge is sometimes used to describe these structures. The three largest stone circles in Britain are each within a henge. Examples of henges without significant internal monuments are the three henges of Thornborough Henges. Although having given its name to the word henge, Stonehenge is atypical in that the ditch is outside the main earthwork bank.
- Hengiform monument. Like an ordinary henge, except the central flat area is between 5 and 20 m (16–66 ft) in diameter, they comprise a modest earthwork with a fairly wide outer bank. The terms Mini henge or Dorchester henge are sometimes used as synonyms for hengiform monument. An example is the Neolithic site at Wormy Hillock Henge.
- Henge enclosure. A Neolithic ring earthwork with the ditch inside the bank, with the central flat area having abundant evidence of occupation and usually being more than 300 m (980 ft) in diameter. Some true henges are as large as this, but lack evidence of domestic occupation. Super henge is sometimes used as a synonym for a henge enclosure. However, sometimes Super henge is used to indicate size alone rather than use, e.g. "Marden henge ... is the least understood of the four British 'superhenges' ".
A tumulus 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 built for various purposes, may also originally have been a tumulus.
A bowl barrow is a type of burial mound or tumulus. A barrow is a mound of earth used to cover a tomb. The bowl barrow gets its name from its resemblance to an upturned bowl. Related terms include cairn circle, cairn ring, howe, kerb cairn, tump and rotunda grave.
A bank barrow, sometimes referred to as a barrow-bank, ridge barrow, or ridge mound, is a type of tumulus first identified by O.G.S. Crawford in 1938.
A round barrow is a type of tumulus and is one of the most common types of archaeological monuments. Although concentrated in Europe, they are found in many parts of the world, probably because of their simple construction and universal purpose.
Hob Hurst's House is a Bronze Age barrow on Beeley Moor near Bakewell in Derbyshire. It is unique in that instead of the normal round shape, Hob Hurst's barrow is rectangular. Originally made with 13 stones, only five remain today.
Yarnbury Castle is the site of a multiphase, multivallate Iron Age hillfort near the village of Steeple Langford, Wiltshire, England. The site covers an area of 28.5 acres (11.5 ha), and was extensively surveyed and investigated by the Royal Commission on the Historical Monuments of England in 1991, with finds of Iron Age and Romano-British pottery, Iron Age and Roman coins, and burials of human remains. There is much evidence of prolonged and extensive settlement of the site, including evidence of around 130 structures of various sizes, most probably representing a mix of round houses, pits, and other features. It was designated as a scheduled monument in 1925.
A disc barrow is a type of tumulus or round barrow, a variety of fancy barrow identified in English Heritage's Monument Class Descriptions.
The Bull Ring is a Class II henge that was built in the late Neolithic period near Dove Holes in Derbyshire, England.
In archaeology, earthworks are artificial changes in land level, typically made from piles of artificially placed or sculpted rocks and soil. Earthworks can themselves be archaeological features, or they can show features beneath the surface.
Sutton Veny is a village and civil parish in the Wylye valley, to the southeast of the town of Warminster in Wiltshire, England; the village is about 3 miles (5 km) from Warminster town centre. 'Sutton' means 'south farmstead' in relation to Norton Bavant, one mile (1.6 km) to the north. 'Veny' may be a French family name or may describe the village's fenny situation.
Normanton Down is a Neolithic and Bronze Age barrow cemetery located about 0.6 miles (1 km) south of Stonehenge in Wiltshire, England. The burials date from between 2600 and 1600 BC and consist of a Neolithic long barrow and some 40 or more Bronze Age round barrows, sited along the crest of a low ridge.
The Cursus Barrows is the name given to a Neolithic and Bronze Age round barrow cemetery located mostly south of the western end of the Stonehenge Cursus. The cemetery contains around 18 round barrows scattered along an east-to-west ridge, although some of the mounds are no longer visible. The Cursus Barrows can be seen just north of the route between the Stonehenge Visitor Centre and Stonehenge.
The Taplow Barrow is an early medieval burial mound in Taplow Court, an estate in the south-eastern English county of Buckinghamshire. Constructed in the seventh century, when the region was part of an Anglo-Saxon kingdom, it contained the remains of a deceased individual and their grave goods, now mostly in the British Museum. It is often referred to in archaeology as the Taplow burial.
Scratchbury Camp is the site of an Iron Age univallate hillfort on Scratchbury Hill, overlooking the Wylye valley about 1 km northeast of the village of Norton Bavant in Wiltshire, England. The fort covers an area of 37 acres (15 ha) and occupies the summit of the hill on the edge of Salisbury Plain, with its four-sided shape largely following the natural contours of the hill.
The Devil's Humps are four Bronze Age barrows situated on Bow Hill on the South Downs near Stoughton, West Sussex. They are situated on a downland ridgeway crossed by an ancient trackway, above Kingley Vale. The Devil's Humps are counted among the most impressive round barrows surviving on the South Downs. The Devil's Humps are within the Kingley Vale National Nature Reserve. The two bell barrows together with two pond barrows and a cross dyke are listed as Scheduled Ancient Monument 1008371, while the two bowl barrows are listed as Scheduled Ancient Monument 1008372.
Knowlton Circles are a complex of henges and earthworks in Knowlton, Dorset, England. The henge enclosing Knowlton Church is the best known and best preserved, but there are at least two other henges in the vicinity as well as numerous round barrows.
Priddy Nine Barrows Cemetery and Ashen Hill Barrow Cemetery are a collection of round barrows, dating from the Bronze Age, near Priddy in the English county of Somerset. They are designated as ancient monuments.
Chalbury Hillfort is an Iron Age hillfort about 1 mile (1.6 km) south-east of the village of Bincombe, in Dorset, England. It is a scheduled monument.
