The Brinkworth Brook 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 r ...

. It rises near

Broad Hinton Broad Hinton is a village and civil parish in Wiltshire, England, about southwest of Swindon. The parish includes the hamlets of Uffcott and The Weir. Disambiguation This village of Broad Hinton near Swindon should not be confused with Broad ...

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 ...

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 ...

of England, and flows in a north and then westerly direction, joining the Avon at

Great Somerford Great Somerford is a village and civil parish within Dauntsey Vale, Wiltshire, England,OS Explorer Map 156, Chippenham and Bradford-on-Avon, Scale: 1:25 000. Publisher: Ordnance Survey A2 edition (2007). near the south bank of the river Avon. ...

Course

The Brinkworth Brook rises at

Broad Town Broad Town is a village and civil parish in Wiltshire, England, about southeast of Royal Wootton Bassett and southwest of Swindon. The parish includes the hamlet of Thornhill and the farming hamlet of Cotmarsh. Since 1996 the village and surro ...

, just north of Broad Hinton, near

Royal Wootton Bassett Royal Wootton Bassett , formerly Wootton Bassett, is a market town and civil parish in Wiltshire, England, with a population of 11,043 in 2001, increasing to 11,385 in 2011. Situated in the north of the county, it lies to the west of the major ...

. It flows first in a northerly direction, and then just south of Royal Wootton Bassett it is joined by minor tributaries from Westlea in

Swindon Swindon () is a town and unitary authority with Borough status in the United Kingdom, borough status in Wiltshire, England. As of the 2021 Census, the population of Swindon was 201,669, making it the largest town in the county. The Swindon un ...

and a reservoir at Tockenham Wick. The stream then passes under the

M4 motorway The M4, originally the London-South Wales Motorway, is a motorway in the United Kingdom running from west London to southwest Wales. The English section to the Severn Bridge was constructed between 1961 and 1971; the Welsh element was largely ...

and turns to the west past Brinkworth, joined on the right by the Thunder Brook near Dovey's Farm. At Somerford Bridge the Brinkworth Brook turns south and joins the Bristol Avon near Dauntsey House at Great Somerford.

History

The brook forms the southern and part of the western boundaries of the parish of Brinkworth. There is evidence of a

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 ...

, possibly on the Brinkworth Brook in the 16th century.

Natural history

The Brinkworth Brook is typical of Wiltshire's chalk streams, with gravelled beds. Floating water crowfoot ''

Ranunculus ''Ranunculus'' is a large genus of about almost 1700 to more than 1800 species of flowering plants in the family Ranunculaceae. Members of the genus are known as buttercups, spearworts and water crowfoots. The genus is distributed in Europe ...

'',

Desmoulin's whorl snail Desmoulin's whorl snail (''Vertigo moulinsiana'') is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails. This species was named in honor of the ea ...

, the sedge ''

Carex ''Carex'' is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus ''Carex'' ...

'' and the reeds ''

Phragmites ''Phragmites'' () is a genus of four species of large perennial reed grasses found in wetlands throughout temperate and tropical regions of the world. Taxonomy The World Checklist of Selected Plant Families, maintained by Kew Garden in London ...

''and ''

Glyceria maxima ''Glyceria maxima'' (syn. ''G. aquatica'' (L.) Wahlenb.; ''G. spectabilis'' Mert. & W.D.J. Koch; ''Molinia maxima'' Hartm.; ''Poa aquatica'' L.), commonly known as great manna grass, reed mannagrass, reed sweet-grass, and greater sweet-grass is a ...

''. In addition, "diverse fish assemblages, and .varied aquatic invertebrate fauna" are to be found.

Hydrology

The Brinkworth Brook suffers from pollution from highway run-off, specifically the

References

{{authority control Rivers of Wiltshire 1Brinkworth