River Thames from source to sea
Great Britain 1:50 000 Scale Colour Raster Mapping Extracts © Crown copyright Ordnance Survey. All Rights Reserved. Educational licence 100045616.
Contents
- Brief Introduction
- Thames Head to Ashton Keynes
- Ashton Keynes to Cricklade
- Cricklade to Lechlade
- Lechlade to Newbridge
- Newbridge to Oxford
- Oxford to Abingdon
- Abingdon to Wallingford
- Wallingford to Goring-on-Thames
- Goring-on-Thames to Tileshurst,Reading
- Tilehurst, Reading to Henley-on-Thames
- Henley-on-Thames to Marlow
- Marlow to Windsor
- Windsor to Shepperton
- Shepperton to Teddington
- Teddington to Putney
- Putney to Thames Barrier
- Thames Barrier to Grays
- Grays to Gravesend
- Gravesend and the Shore Forts
- The Essex Shore to the Crowstone and Southend-on-Sea
- The Kent Shore to the London Stone
- Into the Thames Estuary
Brief Introduction
The River Thames is the second longest river in Great Britain flowing for 215 miles (346km) from Thames Head near Cirencester(Glos) to the Thames Estuary. It has a fall of 361ft (110m) from source to sea. There are over 200 crossings over or under the river starting with a stone culvert under the Fosse Way near Thames Head to the modern QE2 Bridge at Dartford.This collaboratively produced article will follow the river downstream with images of the river and bridges in each OS grid square.
Thames Head to Ashton Keynes
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The plaque on a stone marking the source of the River Thames reads: 'The Conservators of the River Thames 1857 - 1974 This stone was placed here to mark the source of the River Thames'
The wet autumn and winter 2012-2013 allow the river to be followed from its source at Trewsbury Mead.
Until 1974 this was marked by a statue of Father Thames now moved to Lechlade.
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Downstream of the Fosse Way the river course takes shape and the channel may be seen during drier periods. The 'summer source' provides a more reliable starting point for the river.
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The infant river flows under the A429 near Kemble and heads off in a southeasterly direction under Parker's Bridge near Ewen.
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The infant river flows east passing to the south of Ewen.
In very dry periods there may be no surface flow.
The Thames Path follows the mill race to Upper Mill Farm.
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Kemble Mill near Somerford Keynes is the third mill from the source.
The Cotswold Water Park comprises 40 square miles with marl lakes left by extraction of Jurassic period gravel. Extraction finished around 1970 and many of the lakes are nature reserves and Sites of Special Scientific Interest.
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Passing by the former gravel pits between Somerford Keynes and Ashton Keynes the river leaves Gloucestershire and enters Wiltshire.
Even here some distance from the source surface flows can disappear in dry weather.
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Images used on this page, © Copyright Philip Halling, John M, Steve Daniels, Brian Robert Marshall, Ruth Sharville, Peter Watkins, Jaggery, Row17, Shaun Ferguson, Martin Elliott, Reiner T, John Topping, Jeremy Newcombe, Rod Allday, Colin Madge, Sarah Charlesworth, Nigel Cox and Richard Green;
licensed for re-use under a Creative Commons Licence. http://creativecommons.org/licenses/by-sa/2.0/Great Britain 1:50 000 Scale Colour Raster Mapping Extracts © Crown copyright Ordnance Survey. All Rights Reserved. Educational licence 100045616.
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