Name
Source
Mouth
Image
Bristol Avon Acton Turville 51°31′49″N 2°16′26″W Severn Estuary, Avonmouth, Bristol 51°30′22″N 2°43′06″W
Hampshire Avon Pewsey , Wiltshire 51°22′10″N 1°41′42″W English Channel, Mudeford, Dorset50°43′23″N 1°44′53″W
Biss near Upton Scudamore , Wiltshire 51°13′42″N 2°11′40″W River Avon at Staverton, Wiltshire 51°20′12″N 2°12′56″W
Blackwater Redlynch, Wiltshire 50°59′23″N 1°42′44″W Totton , Hampshire 50°55′36″N 1°29′31″W
Bourne Burbage 51°21′09″N 1°40′17″W Salisbury 51°03′44″N 1°47′22″W
Broadmead Brook west of Marshfield, Gloucestershire 51°27′24″N 2°21′45″W Bybrook River north west of Castle Combe 51°29′54″N 2°14′13″W
Brinkworth Brook Broad Hinton , Wiltshire51°30′7.92″N 1°52′24.6″W Bristol Avon , Great Somerford , Wiltshire 51°32′43.44″N 2°2′17.52″W
Bybrook River Prime: Lower Lapdown Farm, Tormarton, South Gloucestershire 51°29′53.88″N 2°20′34.44″W Secondary: Folly Farm, Cold Ashton, South Gloucestershire51°27′23.4″N 2°21′43.56″W Bristol Avon, Batheaston51°24′5.76″N 2°18′36.72″W
Bydemill Brook Stanton Country Park, south of Stanton Fitzwarren 51.600328°N 1.747239°W / 51.600328; -1.747239 confluence with River Thames 51.669759°N 1.719348°W / 51.669759; -1.719348
Chalke Mead End, near Bowerchalke , Wiltshire51°0′44″N 1°57′56″W confluence with River Ebble at Broad Chalke 51°1′35″N 1°57′27″W River Chalke and adjoining fish farm between Mead End, Bowerchalke and Broad Chalke
River Churn Seven Springs, Gloucestershire 51°51′4″N 2°3′1″W confluence with River Thames 51°39′14″N 1°51′12″W
Cocklemore Brook Studley, Wiltshire 51°25′2″N 2°4′6″W River Avon (Bristol) south of Chippenham 51°25′56″N 2°6′7″W
Cole Wanborough, Wiltshire 51°32′34″N 1°41′54″W River Thames 51°41′19″N 1°4′37″W
Damson Brook Milston 51°12′22″N 1°46′08″W confluence with Nine Mile River51°11′20″N 1°45′36″W No picture available
Derry Brook Ravensroost Wood, Minety Common51.595278°N 1.973032°W / 51.595278; -1.973032 confluence with Swill Brook south of Ashton Keynes51.638041°N 1.922296°W / 51.638041; -1.922296 No picture available
Doncombe Brook south of Marshfield, Gloucestershire 51.459253°N 2.312498°W / 51.459253; -2.312498 confluence with Bybrook River at Ford 51.470562°N 2.233651°W / 51.470562; -2.233651
River Dun (River Kennet) Great Bedwyn 51°22′16″N 1°36′25″W River Kennet near Hungerford 51°24′44″N 1°29′39″W River Dun near Hungerford
River Dun (River Test) 51°3′12.05″N 1°40′57.62″W Confluence with River Test near Kimbridge in Hampshire51.030672°N 1.533504°W / 51.030672; -1.533504
River Ebble Alvediston 51.0127°N 2.039°W / 51.0127; -2.039 confluence with River Avon 51.0334°N 1.7582°W / 51.0334; -1.7582
Gauze Brook Littleton Drew 51.5265°N 2.2391°W / 51.5265; -2.2391 River Avon (Bristol) south of Malmesbury 51.5623°N 2.0802°W / 51.5623; -2.0802
River Kennet Swallowhead Spring near Silbury Hill 51.50276°N 1.84507°W / 51.50276; -1.84507 confluence with River Thames at Reading 51.459148°N 0.94947°W / 51.459148; -0.94947
Key Braydon Forest near Purton 51°35′11″N 1°51′57″W confluence with River Thames near Cricklade 51°38′22″N 1°51′27″W
Lambrok Stream Hoopers Pool between Southwick and Rode 51.285141°N 2.249281°W / 51.285141; -2.249281 confluence with River Biss at Trowbridge 51.321743°N 2.220678°W / 51.321743; -2.220678
River Marden Ranscombe Bottom, Calstone Wellington , near Calne 51°24′56″N 2°0′48″W Bristol Avon near Chippenham 51°27′56″N 2°05′33″W
River Nadder Springs at Nadder Head near Donhead St Mary 51.016951°N 2.175815°W / 51.016951; -2.175815 Confluence with River Avon (Hampshire) in Salisbury51.060677°N 1.799525°W / 51.060677; -1.799525
Nine Mile Brigmerston Down northeast of Bulford Camp51.226017°N 1.714214°W / 51.226017; -1.714214 Confluence of River Avon at Bulford51.188797°N 1.768739°W / 51.188797; -1.768739
Oddford Brook Bitham Lake northwest of Tisbury 51.073844°N 2.116175°W / 51.073844; -2.116175 confluence with River Nadder at Tisbury 51.060750°N 2.082072°W / 51.060750; -2.082072 No picture available
River Og Draycot Foliat 51°29′53″N 1°44′25″W River Kennet near Marlborough 51°25′13″N 1°43′43″W
River Ray Wroughton 51°31′24″N 1°47′29″W Confluence with River Thames
51°38′39″N 1°49′20″W
River Sem near Sedgehill 51.047620°N 2.184409°W / 51.047620; -2.184409 near Wardour 51.045790°N 2.110142°W / 51.045790; -2.110142 No picture available
Semington Brook The Warren south of West Lavington 51.264651°N 1.996125°W / 51.264651; -1.996125 confluence with River Avon (Bristol) near Whaddon 51.353071°N 2.171855°W / 51.353071; -2.171855
River Stour, Dorset Stourhead 51.104584°N 2.326786°W / 51.104584; -2.326786 English Channel at Christchurch , Dorset50.72796°N 1.77295°W / 50.72796; -1.77295
Summerham Brook north of Rowde 51.360947°N 2.014142°W / 51.360947; -2.014142 confluence with Semington Brook, south of Seend Cleeve 51.332359°N 2.098262°W / 51.332359; -2.098262
Swill Brook confluence of Braydon Brook and Flagham Brook near Somerford Keynes 51.638517°N 1.976646°W / 51.638517; -1.976646 confluence with River Thames at Ashton Keynes 51.638890°N 1.923656°W / 51.638890; -1.923656
Tetbury Avon Wor Well, Tetbury 51.6432°N 2.1424°W / 51.6432; -2.1424 River Avon (Bristol) at Malmesbury 51.5821°N 2.09289°W / 51.5821; -2.09289
Thames enters Wiltshire to the east of Ashton Keynes leaves Wiltshire to the southwest of Lechlade-on-Thames
Till near Tilshead 51°13′49″N 1°57′21″W confluence with River Wylye near Stapleford 51°08′09″N 1°54′07″W
Woodbridge Brook Midgehall Copse near Lydiard Millicent 51.5605°N 1.9115°W / 51.5605; -1.9115 confluence with River Avon (Bristol) near Malmesbury No picture available
Wylye Rodmead Farm near Maiden Bradley 51°07′25″N 2°18′11″W Confluence with River Nadder 51°04′45″N 1°51′45″W