The River Churn is a tributary of the

River Thames The River Thames ( ), known alternatively in parts as the The Isis, River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the Longest rivers of the United Kingdom, se ...

in central England. It rises at Seven Springs in Gloucestershire and flows south for approximately to meet the Thames at

Cricklade Cricklade is a town and civil parish on the River Thames in north Wiltshire, England, midway between Swindon and Cirencester. It is the first downstream town on the Thames. The parish population at the 2011 census was 4,227. History Cricklade ...

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 ...

. Its length from its source to the

confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...

with the Thames is greater than that of the Thames from

Thames Head Thames Head is a group of seasonal springs that arise near the village of Coates in the Cotswolds, about three miles south-west of the town of Cirencester, in the county of Gloucestershire, England. The spring water comes from the limestone ...

, though the Churn is regarded as a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

rather than the main river.

Description

The River Churn is the first tributary river of the

. It rises in the Cotswolds at Seven Springs, south of Cheltenham,

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 ...

, England and flows south across the Cotswold

dip slope A dip slope is a topographic (geomorphic) surface which slopes in the same direction, and often by the same amount, as the true dip or apparent dip of the underlying strata.Jackson, JA, J Mehl and K Neuendorf (2005) ''Glossary of Geology.'' Amer ...

, passing through

North Cerney North Cerney is a village and civil parish in the English county of Gloucestershire, and lies within the Cotswolds, a range of hills designated an Area of Outstanding Natural Beauty. The village is north of Cirencester within the Churn valley. ...

and

Cirencester Cirencester (, ; see below for more variations) is a market town in Gloucestershire, England, west of London. Cirencester lies on the River Churn, a tributary of the River Thames, and is the largest town in the Cotswolds. It is the home of ...

, and joining the Thames in the parish of

. Its length from source to

with the Thames is considerably greater than that of the Thames from

, and its flow is also more consistent than the winterbourne Thames, but the Churn is regarded as a

historically and therefore by most geography guides. The length of the Churn is approximately . It is classed as a main river and thus falls under the jurisdiction of the Environment Agency as opposed to the local authority. The main tributaries are the Elkstone Brook, which joins at Perrots Brook Farm, and the Daglingworth Stream, also known as the Dunt Stream or Duntisbourne, which joins at Barton Mill, Cirencester. Two smaller tributaries are the Hilcot Brook and the Gumstool Brook.

Etymology

The name Churn is ancient, certainly pre-

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...

and probably from a

Celtic language The Celtic languages (usually , but sometimes ) are a group of related languages descended from Proto-Celtic. They form a branch of the Indo-European language family. The term "Celtic" was first used to describe this language group by Edward ...

, possibly that spoken by the

Dobunni The Dobunni were one of the Iron Age tribes living in the British Isles prior to the Roman conquest of Britain. There are seven known references to the tribe in Roman histories and inscriptions. Various historians and archaeologists have examined ...

tribe who controlled the area before the Roman conquest in the 1st century. The original name may have sounded similar to ''Korinn''. It has also been suggested that the origin of the word is associated with the ancient British

Cornovii The Cornovii is the name by which two, or three, tribes were known in Roman Britain. One tribe was in the area centred on present-day Shropshire, one was in Caithness in northernmost Scotland, and there was probably one in Cornwall. The name has ...

tribe. Cognate names and name elements from the area are ''Cerney'', ''Ciren'' and ''Corin'' as found in the settlement names of

South Cerney South Cerney is a village and civil parish in the Cotswold district of Gloucestershire, 3 miles south of Cirencester and close to the border with Wiltshire. It had a population of 3,074 according to the 2001 census, increasing to 3,464 at the ...

, and Cerney Wick (all on or close to the river). Cirencester's original recorded name of

Corinium Dobunnorum Corinium Dobunnorum was the Romano-British settlement at Cirencester in the present-day English county of Gloucestershire. Its 2nd-century walls enclosed the second-largest area of a city in Roman Britain. It was the tribal capital of the Dobun ...

also shares this root.

History

Much of the catchment basin of the Churn was a key Roman settlement in the second to fourth centuries AD, as

rose to likely status of capital of a division of Britain. The Churn and the Thames feed the waters of a western bisection of the

Cotswold Water Park The Cotswold Water Park is the United Kingdom's largest marl lake system, straddling the Wiltshire–Gloucestershire border, northwest of Cricklade and south of Cirencester. There are 180 lakes, spread over . The park is a mix of nature co ...

, converted since the 1970s from redundant gravel beds between Cirencester and Cricklade. In 2006, the national government was engaged in a planning study to analyse methods of mitigating future flooding associated with the Churn. However, the river is known to stop flowing completely at times; in September 2011 the river bed was completely dry at Latton.

Water quality

The Environment Agency measures the water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at the quantity and varieties of

invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

angiosperm Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail. Text was copied from this source, which is available under a
Open Government Licence v3.0
© Crown copyright. Water quality of the River Churn in 2019:

References

External links