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Hogsmill

Hogsmill
River
Hogsmill01.JPG
The Hogsmill at Kingston as it flows into the Thames
Country England
Counties Surrey, Greater London
Districts / Boroughs Epsom and Ewell, Royal Borough of Kingston upon Thames
Tributaries
 - left Hogsmill Stream, Horton Stream, Bonesgate Stream, Green Lanes Stream, Tolworth Brook
 - right Ewell Court Stream
Towns Ewell, Old Malden, Berrylands, Kingston upon Thames
Source
 - location Ewell, Surrey
Mouth River Thames
 - location Kingston upon Thames
 - coordinates 51°24′33″N 0°18′30″W / 51.40917°N 0.30833°W / 51.40917; -0.30833Coordinates: 51°24′33″N 0°18′30″W / 51.40917°N 0.30833°W / 51.40917; -0.30833
Length 9.9 km (6 mi)
Basin 73 km2 (28 sq mi)
Discharge for Kingston upon Thames
 - average 0.98 m3/s (35 cu ft/s)
 - max 26.3 m3/s (929 cu ft/s) 6 August 1981
 - min 0.33 m3/s (12 cu ft/s) 9 September 1976
Discharge elsewhere (average)
 - Ewell 0.04 m3/s (1 cu ft/s)

The Hogsmill River in Surrey, England, is one of the tributaries of the River Thames. It rises in Ewell and flows into the Thames at Kingston upon Thames on the reach above Kingston road bridge. The river is 6 miles (9.9 km) in length and has a catchment area (water basin) of 73 km². The river flows through low-lying land, most of it sports grounds and green space, with the exception of Kingston town centre.

The 12th century Clattern Bridge, one of the oldest road bridges in England, crosses the river in the centre of Kingston. The Coronation Stone near the river in Kingston is believed to have been used for the coronation of Saxon kings in the 10th Century. It was used as a horse mounting block until 1850 when it was mounted on a plinth in the town centre.

The river has five tributaries: Green Lanes Stream, Ewell Court Stream, Horton Stream, Bonesgate Stream and Tolworth Brook, as well as Hogsmill Stream, the main spring of the river just outside Bourne Hall Park in Ewell.

The source of the Hogsmill River is a chalk spring near grid reference TQ219627 just outside Bourne Hall Park in Ewell, Surrey. It flows in a northerly direction between Kingston Road and the sports field beside the railway track. The river passes the Lower and Upper Mills, where gunpowder was produced in the 18th and 19th century as it gently bends to the left before flowing under the Mole Valley line between Ewell West and Stoneleigh railway station at the start of the Hogsmill Open Space which follows the river until the borough boundary with Kingston.


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Wikipedia

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