The Tetbury Avon, also known as the Little Avon or the Ingleburn (

Anglo-Saxon The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...

- English river), is a tributary of the

Bristol Avon The River Avon is a river in the south west of England. To distinguish it from a number of other rivers of the same name, it is often called the Bristol Avon. The name 'Avon' is a cognate of the Welsh word , meaning 'river'. The Avon ...

. It is also referred to as the River Avon (Tetbury Branch). It rises at

Tetbury Tetbury is a town and civil parish inside the Cotswold district in England. It lies on the site of an ancient hill fort, on which an Anglo-Saxon monastery was founded, probably by Ine of Wessex, in 681. The population of the parish was 5,250 in ...

Gloucestershire Gloucestershire ( abbreviated Glos) is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn and the entire Forest of Dean. The county town is the city of Gl ...

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, Gloucesters ...

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 ...

, and flows in a generally south easterly direction, joining the Sherston Avon at

Malmesbury Malmesbury () is a town and civil parish in north Wiltshire, England, which lies approximately west of Swindon, northeast of Bristol, and north of Chippenham. The older part of the town is on a hilltop which is almost surrounded by the upp ...

Wiltshire Wiltshire (; abbreviated Wilts) is a historic and ceremonial county in South West England with an area of . It is landlocked and borders the counties of Dorset to the southwest, Somerset to the west, Hampshire to the southeast, Gloucestershire ...

. The water flow has been reduced by public water extraction from its source

aquifer An aquifer is an underground layer of water-bearing, permeable rock, rock fractures, or unconsolidated materials (gravel, sand, or silt). Groundwater from aquifers can be extracted using a water well. Aquifers vary greatly in their characterist ...

in the Cotswold Hills. In the past

watermill A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of ...

s were used for

fulling Fulling, also known as felting, tucking or walking ( Scots: ''waukin'', hence often spelled waulking in Scottish English), is a step in woollen clothmaking which involves the cleansing of woven or knitted cloth (particularly wool) to elimin ...

wool and grinding corn. One working mill survives.

Course

The Tetbury Avon rises at Wor Well to the north east of Tetbury in the Cotswold Hills. It flows first in a southerly direction, joined on the right bank by the Cutwell Brook at the southeast of the town. The river now turns in the southeasterly direction into a steep valley through Estcourt Park, where it is joined on the right by the Wormwell Brook, which has its origin at Westonbirt. Passing through Shipton Wood the river forms a lake, created as part of the Estcourt Estate in the late 18th century. It then enters Wiltshire near the village of

Brokenborough Brokenborough is a village and civil parish about northwest of Malmesbury, Wiltshire in England. The course of the Fosse Way Roman road forms the northwest boundary of the parish, and also the county boundary with neighbouring Gloucestershire. ...

, flowing to the north of Malmesbury where it joins the Sherston Avon at the eastern edge of the town.

History

As is common amongst Cotswold streams, many

s were established from early times for

wool and grinding corn. Shipton Mill in the wood of the same name still produces organic wheat and rye flours. A mill at this site was recorded in the

Domesday Book Domesday Book () – the Middle English spelling of "Doomsday Book" – is a manuscript record of the "Great Survey" of much of England and parts of Wales completed in 1086 by order of King William I, known as William the Conqueror. The manusc ...

in 1086.

Natural history

A population of

white-clawed crayfish ''Austropotamobius pallipes'' is an endangered European freshwater crayfish, and the only crayfish native to the British Isles. Its common names include white-clawed crayfish and Atlantic stream crayfish. Distribution It is found from the eas ...

in the Tetbury Avon has been eradicated by fungi hosted by the invasive

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

signal crayfish The signal crayfish (''Pacifastacus leniusculus'') is a North American species of crayfish. It was introduced to Europe in the 1960s to supplement the North European ''Astacus astacus'' fisheries, which were being damaged by crayfish plague, but ...

Hydrology

The

Environment Agency The Environment Agency (EA) is a non-departmental public body, established in 1996 and sponsored by the United Kingdom government's Department for Environment, Food and Rural Affairs, with responsibilities relating to the protection and enha ...

has a gauging station at Brokenborough and reports a mean flow of with a maximum of and a minimum of . It is believed that abstraction of public water supplies from the

Great Oolite The Great Oolite Group is a Middle Jurassic stratigraphic unit that outcrops in southern England. It consists of a complex set of marine deposits primarily mudstone and bioclastic ooidal and fine grained limestone, deposited in nearshore to she ...

of the Cotswolds has reduced flows in the Tetbury Avon, making it difficult to maintain high water quality and having a negative effect on the ecology.

References

External links

Malmesbury River Valleys Trust
{{authority control Rivers of Gloucestershire Rivers of Wiltshire 2Tetbury