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The River Thames ( ) is a major river flowing through southern Englandmarker. While best known because its lower reaches flow through central Londonmarker, the river flows through several other towns and cities, including Oxfordmarker, Readingmarker and Windsormarker.

The river gives its name to the Thames Valleymarker, a region of England centred around the river between Oxford and West London, the Thames Gatewaymarker, the area centred around the tidal Thames, and the Thames Estuarymarker to the east of London.


The River Thames is the second longest river in the United Kingdom and the longest river entirely in England, rising at Thames Headmarker in Gloucestershire, and flowing into the North Seamarker at the Thames Estuarymarker. It has a special significance in flowing through Londonmarker, the capital of the United Kingdommarker, although London only includes a short part of its course. The river is tidal in London with a rise and fall of and becomes non-tidal at Teddington Lockmarker. The catchment area covers a large part of South Eastern and Western England and the river is fed by over 20 tributaries. The river contains over 80 islands, and having both seawater and freshwater stretches supports a variety of wildlife.

The river has supported human activity from its source to its mouth for thousands of years providing habitation, water power, food and drink. It has also acted as a major highway both for international trade through the Port of Londonmarker, and internally along its length and connecting to the British canal system. The river’s strategic position has seen it at the centre of many events and fashions in British history, earning it a description by John Burns as “Liquid History”. It has been a physical and political boundary over the centuries and generated a range of river crossings. In more recent time the river has become a major leisure area supporting tourism and pleasure outings as well as the sports of rowing, sailing, skiffing, kayaking, and punting. The river has had a special appeal to writers, artists, musicians and film-makers and is well represented in the arts. It is still the subject of various debates about its course, nomenclature and history.

Physical and natural aspects

Course of the river

The monument at the traditional source of the Thames.
The Thames has a length of 215 miles (346 km). Its usually quoted source is at Thames Headmarker (at ), about a mile north of the village of Kemblemarker and near the town of Cirencestermarker, in the Cotswoldsmarker. This makes it the longest river entirely in England, although the River Severn, which is partly in Walesmarker, is a longer river in the United Kingdom. Seven Springs near Cheltenhammarker, where the river Churnmarker rises, is also sometimes quoted as the Thames' source, as this location is furthest from the mouth adding some 14 miles (22 km) to the length. The spring at Seven Springs also flow throughout the year, while those at Thames Head are only seasonal.

The Thames flows through or alongside Ashton Keynesmarker, Cricklademarker, Lechlademarker, Oxfordmarker, Abingdonmarker, Wallingfordmarker, Goring-on-Thamesmarker, Readingmarker, Henley-on-Thamesmarker, Marlowmarker, Maidenheadmarker, Windsormarker, Etonmarker, Stainesmarker,Sunbury, Weybridgemarker and Thames Dittonmarker before entering the Greater Londonmarker area. The present course is the result of several minor redirections of the main channel around Oxford, Abingdon and Maidenhead and more recently the creation of specific cuts to ease navigation.

From the outskirts of Greater London, the river passes Hampton Courtmarker, Kingstonmarker, Teddingtonmarker, Twickenhammarker, Richmondmarker (with a famous view of the Thames from Richmond Hill), Syon Housemarker and Kewmarker before flowing through central Londonmarker. In central London, the river forms one of the principal axes of the city, from the Palace of Westminstermarker to the Tower of Londonmarker and was the southern boundary of the medieval city, with Southwarkmarker on the opposite bank.

Once past central London, the river passes between Greenwichmarker and the Isle of Dogsmarker, before flowing through the Thames Barriermarker, which protects central London from flooding in the event of storm surges. Below the barrier, the river passes Dartfordmarker, Tilburymarker and Gravesendmarker before entering the Thames Estuarymarker near Southend-on-Seamarker.

Catchment area and discharge

The river drains a catchment area of or if the River Medway is included as a tributary.

The non-tidal section

The Jubilee River at Slough Weir
Brooks, canals and rivers, within an area of , combine to form 38 main tributaries feeding the Thames between its source and Teddington Lockmarker, the tidal limit. Before Teddington Lock was built in 1810-12, the river was tidal as far as Staines. The tributaries include the rivers Churnmarker, Leachmarker, Cole, Raymarker, Colnmarker, Windrush, Evenlodemarker, Cherwellmarker, Ockmarker, Thamemarker, Pangmarker, Kennetmarker, Loddon, Colnemarker, Weymarker and Mole. In addition there are many backwaters and distributaries and some man-made channels such as the Longford Rivermarker.

More recently, an artificial secondary channel to the Thames, known as the Jubilee Rivermarker, was built between Maidenhead and Windsor for flood relief, being completed in 2002.

More than half the rain that falls on this catchment is lost to evaporation and plant transpiration. The remainder provides a water resource that has to be shared between river flows, to support the natural environment and navigation, and the population's needs for water supplies to homes, industry and agriculture.

The non-tidal section of the river is managed by the Environment Agency which has the twin responsibilities of managing the flow of water to control flooding, and providing for navigation. The volume and speed of water down the river is managed by adjusting the gates at each of the weirs and at high water levels are usually dissipated over flood plains adjacent to the river. Occasionally flooding is unavoidable, and the Agency issues Flood Warnings. During heavy rainfall the Thames occasionally receives raw sewage discharge due to sanitary sewer overflow.

The tidal section

The lower course of the Thames in 1840
Below Teddington Lock (about upstream of the Thames Estuary) the river is subject to tidal activity from the North Seamarker. Before the lock was installed the river was tidal as far as Staines. London, capital of Roman Britain, was established on two hills, now known as Cornhillmarker and Ludgate Hillmarker. These provided a firm base for a trading centre at the lowest possible point on the Thames. A river crossing was built at the site of London Bridge. London Bridge is now used as the basis for published tide tables giving the times of high tide. High tide reaches Putney about 30 minutes later than London Bridge, and Teddington about an hour later. The tidal stretch of the river is known as "the Tidewaymarker". Tide tables are published by the Port of London Authoritymarker and are available online. Times of high and low tides are also broadcast on Twitter.

The principal tributaries on the Tideway include the rivers Brentmarker, Wandlemarker, Efframarker, Westbournemarker, Fleetmarker, Ravensbournemarker (the final part of which is called Deptford Creekmarker), Lea, Roding, Darentmarker and Ingrebournemarker. At London, the water is slightly brackish with sea salt, being a mix of sea and fresh water.

This part of the river is managed by the Port of London Authoritymarker. The flood threat here comes from high tides and strong winds from the North Sea, and the Thames Barrier was built in the 1980s to protect London from this risk.


The River Thames contains over 80 islands ranging from the large estuarial marshlands of the Isle of Sheppeymarker, Isle of Grainmarker and Canvey Islandmarker to small tree-covered islets like Rose Islemarker in Oxfordshire and Headpile Eyotmarker in Berkshire. Some of the largest inland islands — Formosa Islandmarker near Cookham and Andersey Islandmarker at Abingdon — were created naturally when the course of the river divided into separate streams, while Desborough Islandmarker, Ham Islandmarker at Old Windsor and Penton Hook Islandmarker were artificially created by lock cuts and navigation channels. Chiswick Eyotmarker is a familiar landmark on the Boat Race course, while Glover's Islandmarker forms the centrepiece of the spectacular view from Richmond Hill. Islands with a historical interest are Magna Carta Islandmarker at Runnymede, Fry's Islandmarker at Reading and Pharaoh's Islandmarker near Shepperton. In more recent times Platts Eyotmarker at Hamptonmarker was the place where MTB were built, Tagg's Islandmarker near Molesey was associated with the impresario Fred Karno, and Eel Pie Islandmarker at Twickenham was the birthplace of the South East’s R&B music scene.

Westminster Abbeymarker and the Palace of Westminstermarker (commonly known today as the Houses of Parliamentmarker) were built on Thorney Island which used to be an eyot.

Geological history

The River Thames can first be identified as a discrete drainage line as early as 58 million years ago, in the late Palaeocene Period Thanetian Stage. Until around half a million years ago, the Thames flowed on its existing course through what is now Oxfordshire, before turning to the north east through Hertfordshiremarker and East Angliamarker and reaching the North Seamarker near Ipswichmarker. At this time the river system headwaters lay in the English West Midlands and may, at times, have received drainage from the North Walesmarker Berwyn Mountainsmarker. Arrival of an ice sheet in the Quaternary Ice Age, about 450,000 years ago, dammed the river in Hertfordshire and caused it to be diverted onto its present course through London. This created a new river route aligned through Berkshire and on into Londonmarker after which the river rejoined its original course in southern Essex, near the present River Blackwater estuary. Here it entered a substantial freshwater lake in the southern North Sea basin. The overspill of this lake caused the formation of the Dover Straitsmarker or Pas-de-Calais gap between Britainmarker and Francemarker. Subsequent development led to the continuation of the course which the river follows at the present day.

At the height of the last ice age around 12000 years ago, Britain was connected to mainland Europe via a large expanse of land known as Doggerland in the southern North Sea basin. At this time, the Thames' course did not continue to Doggerland, but was aligned southwards from the eastern Essex coast where it met the Rhinemarker, the Meusemarker and the Scheldtmarker flowing from what are now The Netherlandsmarker and Belgiummarker. These rivers formed a single river—the Channel River (Fleuve Manche)—that passed through the Dover Strait and drained into the Atlantic Oceanmarker in the western English Channelmarker.


Various species of bird feed off the river or nest on it, some being found both at sea and inland. These include Cormorant, Black-headed Gull, and Herring Gull. The Swan is a familiar sight on the river but the escaped Black Swan is more rare. The annual ceremony of Swan upping is an old tradition of counting stocks. Non-native geese that can be seen include Canada Geese, Egyptian Geese, and Bar-headed Geese, and ducks include the familiar native Mallard, plus introduced Mandarin Duck and Wood Duck. Other water birds to be found on the Thames include the Great Crested Grebe, Coot, Moorhen, Heron, and Kingfisher. In addition there are many types of British birds that live alongside the river, although they are not specific to the river habitat.

The Thames contains both seawater and freshwater, thus providing support for seawater and freshwater fish. The salmon, which inhabits both environments, has been reintroduced and a succession of fish ladders has been built into weirs to allow it to travel upstream. On 5 August 1993 the largest non-tidal salmon in recorded history was caught close to Boulters Lockmarker in Maidenheadmarker. The specimen weighed 14.5 pounds and measured 88 cm in length. This specimen remains the largest salmon caught to this day. The eel is particularly associated with the Thames and there were formerly many eel traps designed to catch them. Some of the freshwater fish to be found in the Thames and its tributaries include brown trout, chub, dace, roach, barbel, perch, pike, bleak, and flounder. Colonies of short-snouted seahorses have also recently been discovered in the river.

In addition the Thames is host to some invasive crustaceans, including the signal crayfish and the Chinese Mitten Crab.

On 20 January 2006 a northern 16–18 ft (5 m) bottle-nosed whale was spotted in the Thames and was seen as far upstream as Chelsea. This is extremely unusual because this type of whale is generally found in deep sea waters. Crowds gathered along the riverbanks to witness the extraordinary spectacle. But it soon became clear there was cause for concern, as the animal came within yards of the banks, almost beaching, and crashed into an empty boat causing slight bleeding. Approximately 12 hours later, the whale was believed to be seen again near Greenwichmarker, possibly heading back to sea. There was a rescue attempt lasting several hours, but it eventually died on a barge. See River Thames whale.

Human aspects

The River Thames has served several roles in human history, being an economic resource, a water highway, a boundary, a fresh water source, also a source of food and more recently a leisure facility. In 1929 John Burns, one time MP for Battersea, responded to an American's unfavourable comparison of the Thames with the Mississippi by coining the expression "The Thames is liquid history".

Human history

The Tower, with Tower Bridge built 800 years later
The Frozen Thames, 1677.
The Thames at Hampton
There is evidence of human habitation living off the river along its length dating back to Neolithic times. The British Museummarker has a decorated bowl (3300-2700 BC), found in the River at Hedsormarker, Buckinghamshire and a considerable amount of material was discovered during the excavations of Dorney Lakemarker. A number of Bronze Age sites and artifacts have been discovered along the banks of the River including settlements at Lechlademarker, Cookhammarker and Sunbury-on-Thamesmarker. Some of the earliest written accounts of the Thames occur in Julius Caesar’s account of his second expedition to Britain in 54BC when the Thames presented a major obstacle and he encountered the Iron Age Belgic tribes the Catuvellauni and the Atrebates along the river.

Under the Emperor Claudius in AD 43 the Romans occupied England and, recognising the River's strategic and economic importance, built fortifications along the Thames valley including a major camp at Dorchestermarker. Two hills, now known as Cornhillmarker and Ludgate Hillmarker, provided a firm base for a trading centre at the lowest possible point on the Thames called Londinium where a bridge was built. The next Roman bridge upstream was at Stainesmarker (Pontes) to which point boats could be swept up on the rising tide with no need for wind or muscle power. Many of the Thames’ riverside settlements trace their origins back to very early roots and the suffix - “ing” in towns such as Goring and Readingmarker owe their origins to the Saxons. Recent research suggests that these peoples preceded the Romans rather than replaced them. The river’s long tradition of farming, fishing, milling and trade with other nations started with these peoples and has continued to the present day. Competition for the use of the river created the centuries-old conflict between those who wanted to dam the river to build millraces and fish traps and those who wanted to travel and carry goods on it. Economic prosperity and the foundation of wealthy monasteries by the Anglo-Saxons attracted unwelcome visitors and by around AD 870 the Vikings were sweeping up the Thames on the tide and creating havoc as in their destruction of Chertsey Abbeymarker.

Once King William had won total control of the strategic Thames Valley he went on to invade the rest of England. He had many castles built, including those at Wallingfordmarker, Rochestermarker, Windsormarker and most importantly the Tower of Londonmarker. Many details of Thames activity are recorded in the Domesday book. The following centuries saw the conflict between King and Barons coming to a head in AD 1215 when King John was forced to sign the Magna Carta on an island in the Thames at Runnymedemarker. This granted them among a host of other things under Clause 23 the right of Navigation. Another major consequence of John’s reign was the completion of the multi-piered London Bridgemarker which acted as a barricade and barrage on the river, affecting the tidal flow upstream and increasing the likelihood of freezing over. In Tudor and Stuart times the Kings and Queens loved the river and built magnificent riverside palaces at Hampton Courtmarker, Kewmarker, Richmond on Thamesmarker, Whitehallmarker and Greenwichmarker.

The 16th and 17th centuries saw the City of London grow with the expansion of world trade. The wharves of the Pool of London were thick with seagoing vessels while naval dockyards were built at Deptfordmarker. The Dutch navy even entered the Thames in 1667 in the raid on the Medway.

A cold series of winters led to the Thames freezing over above London Bridge, and this led to the first Frost Fair in 1607, complete with a tent city set up on the river itself and offering a number of amusements, including ice bowling. In good conditions barges travelled daily from Oxford to London carrying timber and wool, foodstuffs and livestock, battling with the millers on the way. The stone from the Cotswoldsmarker used to rebuild St Paul’s Cathedral after the Great Fire in 1666 was brought all the way down from Radcot. The Thames provided the major highway between London and Westminster in the 16th and 17th centuries and the clannish guild of watermen ferried Londoners from landing to landing and tolerated no outside interference. In AD 1715 Thomas Doggett was so grateful to a local waterman for his efforts to ferry him home pulling against the tide, that he set up a rowing race for professional watermen known as “Doggett's Coat and Badge”.

By the 18th century, the Thames was one of the world's busiest waterways, as London became the centre of the vast, mercantile British Empire and progressively over the next century the docks expanded in the Isle of Dogs and beyond. Efforts were made to resolve the navigation conflicts up stream by building locks along the Thames. After temperatures began to rise again, starting in 1814, the river stopped freezing over completely. The building of a new London Bridgemarker in 1825, with fewer pillars than the old, allowed the river to flow more freely and reduced the likelihood of freezing over in cold winters.

The Victorian era was an era of imaginative engineering. In the 'Great Stink' of 1858, pollution in the river reached such proportions that sittings at the House of Commonsmarker at Westminster had to be abandoned. A concerted effort to contain the city's sewage by constructing massive sewers on the north and south river embankments followed, under the supervision of engineer Joseph Bazalgette. Meanwhile, similar huge undertakings took place to ensure water supply, with the building of reservoirs and pumping stations on the river to the west of London. The embankments in London house the water supply to homes, plus the sewers, and protect London from flood. The coming of rail added both spectacular and ugly railway bridges to fine range of earlier road bridges but reduced commercial activity on the river. However sporting and leisure use increased with the establishment of regattas such as Henley and The Boat Race. On 3 September 1878, one of the worst river disasters in England took place, when the crowded pleasure boat collided with the Bywell Castlemarker, killing over 640 people.

The growth of road transport and the decline of the Empire, in the years following 1914, reduced the economic prominence of the river. During World War II the protection of the Thames was crucial to the defence of the country. Defences included the Maunsell forts in the estuary and barrage balloons to cope with the threat of German bombers using the distinctive shape of the river to navigate during The Blitz. Although the Port of London remains one of the UK's three main ports, most trade has moved downstream from central London. The decline of manufacturing industry and improved sewage treatment have led to a massive clean-up since the filthy days of the late 19th and early- to mid-20th centuries, and aquatic life has returned to its formerly 'dead' waters. Alongside the river runs the Thames Pathmarker, providing a route for walkers and cyclists.

In the early 1980s a massive flood-control device, the Thames Barriermarker, was opened. It is closed several times a year to prevent water damage to London's low-lying areas upstream (as in the 1928 Thames floodmarker for example). In the late 1990s, the long Jubilee Rivermarker was built, which acts as a flood channel for the Thames around Maidenhead and Windsor.

Origin of the name

The Thames, from Middle English Temese, is derived from the Celtic name for the river, Tamesas (from *tamēssa), recorded in Latin as Tamesis and underlying modern Welsh Tafwys "Thames". The name probably meant "dark" and can be compared to other cognates such as Irish teimheal and Welsh tywyll "darkness" (PC *temeslos) and Middle Irish teimen "dark grey", though Richard Coates mentions other theories: Kenneth Jackson's that it is non Indo-European (and of unknown meaning), and Peter Kitson's that it is IE but pre-Celtic, and has a name indicating muddiness from a root *tã-, 'melt'.

The river's name has always been pronounced with a simple t /t/; the Middle English spelling was typically Temese and Celtic Tamesis. The th spelling lends an air of Greek to the name and was added during the Renaissance, possibly to reflect or support a belief that the name was derived from River Thyamismarker in the Epirus region of Greecemarker, whence early Celtic tribes were erroneously thought to have migrated.

Indirect evidence for the antiquity of the name 'Thames' is provided by a Roman potsherd found at Oxford, bearing the inscription Tamesubugus fecit (Tamesubugus made this). It is believed that Tamesubugus's name was derived from that of the river.

The Thames through Oxfordmarker is often given the name the River Isismarker, although historically, and especially in Victorian times, gazetteers and cartographers insisted that the entire river was correctly named the River Isis from its source until Dorchester-on-Thamesmarker. Only at this point, where the river meets the River Thamemarker and becomes the "Thame-isis" (subsequently abbreviated to Thames) should it be so-called; Ordnance Surveymarker maps still label the Thames as "River Thames or Isis" until Dorchester. However since the early 20th century, this distinction has been lost in common usage outside Oxford, and some historians suggest the name Isis—although possibly named after the Egyptian goddess of that name—is nothing more than a contraction of Tamesis, the Latin (or pre-Roman Celtic) name for the Thames.

Richard Coates suggests that while the river was as a whole called the Thames, part of it, where it was too wide to ford, was called *(p)lowonida. This gave the name to a settlement on its banks, which became known as Londiniummarker, from the Indo-European roots *pleu- "flow" and *-nedi "river" meaning something like the flowing river or the wide flowing unfordable river.

For merchant seamen, the Thames has long been just 'The London River'. Londoners often refer to it simply as 'the river', in expressions such as 'south of the river'.

The active river

One of the many piers for joining sightseeing boat trips.

One of the major resources provided by the Thames is drinking water provided by Thames Water whose area of responsibility covers the length of the River Thames. The Thames Water Ring Mainmarker is the main distribution mechanism for water in London with one major loop linking the Hamptonmarker, Waltonmarker, Ashfordmarker and Kempton Water Treatment Works to central London.

In the past, commercial activities on the Thames included fishing (particularly eel trapping), coppicing willows which provided wood for many purposes including osiers, and running watermills for flour and paper production and metal beating. These activities have disappeared, although there was a proposal to build a hydro plant at Romney Lockmarker to power Windsor Castlemarker. As of January 2008, this scheme appears to have been abandoned.

The Thames is popular for riverside housing whether in high rise flats in central London or chalets on the banks and islands up stream. The river has its own residents dwelling on houseboats, typically around Brentfordmarker and Tagg's Islandmarker

Transport and tourism

The tidal river

In London there are many sightseeing tours in tourist boats, past the more famous riverside attractions such as the Houses of Parliamentmarker and the Tower of Londonmarker as well as regular riverboat services co-ordinated by London River Services.

The upper river

Passenger services are operated in summer along the entire non-tidal river from Oxford to Teddington. The two largest operators are Salters Steamers and French Brothers. Salters operate services between Folly Bridgemarker, Oxford and Staines. The entire journey takes 4 days and requires several changes of boat. French Brothers operate passenger services between Maidenhead and Hampton Court.Along the course of the river a number of smaller private companies also offer river trips at Wallingford, Reading and Hampton Court. Many companies also provide boat hire on the river.

The leisure navigation and sporting activities on the river have given rise to a number of businesses including boatbuilding, marinas, ships chandlers and salvage services.

Police and lifeboats

The river is policed by five police forces. The Thames Division is the River Police arm of London’s Metropolitan Police, while Surrey Police, Thames Valley Police, Essex Police and Kent Police have responsibilities on their parts of the river outside the metropolitan area. There is also a London Fire Brigademarker fire boat on the river. The river claims a number of lives each year. As a result of the Marchioness disastermarker in 1989 when 51 people died, the Government asked the Maritime and Coastguard Agency, the Port of London Authoritymarker and the Royal National Lifeboat Institution (RNLI) to work together to set up a dedicated Search and Rescue service for the tidal River Thames. As a result, there are four lifeboat stations on the river Thames based at Teddingtonmarker, Chiswick Pier, Tower Lifeboat Stationmarker and Gravesendmarker.


Bray lock, Buckinghamshire
The Thames is navigable from the estuary as far as Lechlademarker in Gloucestershiremarker. Between the sea and Teddington Lockmarker, the river forms part of the Port of Londonmarker and navigation is administered by the Port of London Authoritymarker. From Teddington Lock to the head of navigation, the navigation authority is the Environment Agency. Both the tidal river through London and the non-tidal river upstream are intensively used for leisure navigation. All craft using the river Thames must be licensed.

The river is navigable to large ocean-going ships as far upstream as the Pool of Londonmarker and London Bridgemarker. Although London's upstream enclosed docks have closed and central London sees only the occasional visiting cruise ship or warship, the tidal river remains one of Britain's main ports. Around 60 active terminals cater for shipping of all types including ro-ro ferries, cruise liners and vessels carrying containers, vehicles, timber, grain, paper, crude oil, petroleum products, liquified petroleum gas, etc. There is a regular traffic of aggregate or refuse vessels, operating from wharves in the west of London. The tidal Thames links to the canal network at the River Lea Navigationmarker, the Regent's Canal at Limehouse Basinmarker, and the Grand Union Canalmarker at Brentford.

The non-tidal River Thames is divided into reaches by the 45 locks. The locks are manned for a greater part of the day, but can be operated by experienced users out of hours. This part of the Thames links to existing navigations at the River Wey Navigationmarker, the River Kennetmarker and the Oxford Canalmarker.

There is no speed limit on the Tideway downstream of Wandsworth Bridgemarker, although boats are not allowed to create undue wash. Upstream of Wandsworth Bridge a speed limit is in force for powered craft to protect the riverbank environment and to provide safe conditions for rowers and other river users. The speed limit of applies to powered craft on this tidal part and on the non-tidal Thames. The Environment Agency has patrol boats (named after tributaries of the Thames) and can enforce the limit strictly since river traffic usually has to pass through a lock at some stage. There are pairs of transit markers at various points along the non-tidal river that can be used to check speed - a boat travelling legally taking a minute or more to pass between the two markers.

History of the management of the river

In the Middle Ages the Crown exercised general jurisdiction over the Thames, one of the four royal rivers, and appointed water bailiffs to oversee the river upstream of Staines. The City of Londonmarker exercised jurisdiction over the tidal Thames. However, navigation was increasingly impeded by weirs and mills, and in the 14th century the river probably ceased to be navigable for heavy traffic between Henley and Oxford. In the late 16th century the river seems to have been reopened for navigation from Henley to Burcotmarker.

The first commission concerned with the management of the river was the Oxford-Burcot Commission, formed in 1605 to make the river navigable between Burcot and Oxford.

In 1751 the Thames Navigation Commission was formed to manage the whole non-tidal river down to Staines. The City of Londonmarker long claimed responsibility for the tidal river. A long running dispute between the City and the Crown over ownership of the river was not settled until 1857, when the Thames Conservancymarker was formed to manage the river from Staines downstream. In 1866 the functions of the Thames Navigation Commission were transferred to the Thames Conservancy, which thus had responsibility for the whole river.

In 1909 the powers of the Thames Conservancy over the tidal river, below Teddington, were transferred to the Port of London Authoritymarker.

In 1974 the Thames Conservancy became part of the new Thames Water Authority. When Thames Water was privatised in 1990, its river management functions were transferred to the National Rivers Authority, in 1996 subsumed into the Environment Agency.

The river as a boundary

Until sufficient crossings were established, the river provided a formidable barrier, with Belgic tribes and Anglo-Saxon kingdoms being defined by which side of the river they were on. When English counties were established their boundaries were partly determined by the Thames. On the Northern bank were the traditional counties of Gloucestershiremarker, Oxfordshire, Buckinghamshire, Middlesexmarker and Essex. On the southern bank were the counties of Wiltshiremarker, Berkshire, Surreymarker, and Kentmarker. However the 214 bridges and 17 tunnels that have been built to date have changed the dynamics and made cross-river development and shared responsibilities more practicable. In 1965, upon the creation of the Greater London Council, the borough of Richmond-upon-Thamesmarker incorporated parts of both Middlesex and Surrey, while the 1974 boundary changes moved some of the boundaries away from the river, so that, for example, some of the traditional county of Berkshire became part of the administrative county of Oxfordshire, some of the traditional county of Buckinghamshire became part of the administrative county of Berkshire, and some of the traditional county of Middlesex became part of the administrative county of Surrey. On occasion – for example in rowing – the banks are still referred to by their traditional county names.


Newbridge, in rural Oxfordshire
Railway bridge at Maidenhead
Many of the present road bridges on the river are on the site of earlier fords, ferries and wooden structures. The earliest known major crossings of the Thames by the Romans were at London Bridgemarker and Staines Bridgemarker. At Folly Bridgemarker in Oxford the remains of an original Saxon structure can be seen, and mediaeval stone structures such as Newbridgemarker and Abingdon Bridgemarker are still in use. Kingston’s growth is believed to stem from its having the only crossing between London Bridge and Staines until the beginning of the 18th century. During the 18th century, many stone and brick road bridges were built from new or to replace existing structures both in London and along the length of the river. These included Putney Bridgemarker, Westminster Bridgemarker, Windsor Bridgemarker and Sonning Bridgemarker. Several central London road bridges were built in the 19th century, most conspicuously Tower Bridgemarker, the only Bascule bridge on the river, designed to allow ocean going ships to pass beneath it. The most recent road bridges are the bypasses at Isis Bridgemarker and Marlow By-pass Bridgemarker and the Motorway bridges, most notably the two on the M25 route Queen Elizabeth II Bridgemarker and M25 Runnymede Bridgemarker.

The development of the railway resulted in a spate of bridge building in the 19th century including Blackfriars Railway Bridgemarker and Charing Cross Railway Bridgemarker in central London, and the spectacular railway bridges by Isambard Kingdom Brunel at Maidenhead Bridgemarker, Gatehampton Railway Bridgemarker and Moulsford Railway Bridgemarker.

The world’s first underwater tunnel was the Thames Tunnelmarker by Marc Brunel built in 1843 and used to carry the East London Line. The Tower Subwaymarker was the first railway under the Thames, which was followed by all the deep-level tube lines. Road tunnels were built in East London at the end of the 19th century, being the Blackwall Tunnelmarker and the Rotherhithe Tunnelmarker, and the latest tunnel was the Dartford Crossingmarker.

Many foot crossings were established across the weirs that were built on the non-tidal river, and some of these remained when the locks were built – for example at Benson Lockmarker. Others were replaced by a footbridge when the weir was removed as at Hart's Weir Footbridgemarker. Around the year 2000 AD, several footbridges were added along the Thames, either as part of the Thames Path or in commemoration of the Millennium. These include Temple Footbridgemarker, Bloomers Hole Footbridgemarker, the Hungerford Footbridgesmarker and the Millennium Bridgemarker, all of which have distinctive design characteristics.

Some ferries still operate on the river. The Woolwich Ferrymarker carries cars and passengers across the river in the Thames Gateway and links the North Circular and South Circular roads. Upstream are smaller pedestrian ferries, for example Hampton Ferrymarker and Shepperton to Weybridge Ferrymarker the last being the only non-permanent crossing that remains on the Thames Path.


There are several watersports prevalent on the Thames, with many clubs encouraging participation and organising racing and inter-club competitions.


Cambridge cross the finish line ahead of Oxford in the 2007 Boat Race, viewed from Chiswick Bridge
The Thames is the historic heartland of rowing in the United Kingdommarker. There are over 200 clubs on the river, and over 8,000 members of the Amateur Rowing Association (over 40% of its membership). Most towns and districts of any size on the river have at least one club, but key centres are Oxfordmarker, Henley-on-Thamesmarker and the stretch of river from Chiswickmarker to Putneymarker.

Two rowing events on the River Thames are traditionally part of the wider English sporting calendar:

The University Boat Race is rowed between Oxford University Boat Club and the Cambridge University Boat Club in late March or early April, on the Championship Course from Putneymarker to Mortlakemarker in the west of Londonmarker.

Henley Royal Regatta takes place over five days at the start of July in the upstream town of Henley-on-Thamesmarker. Besides its sporting significance the regatta is an important date on the English social calendar alongside events like Royal Ascotmarker and Wimbledonmarker.

Other significant or historic rowing events on the Thames include:

Other regattas, head races and bumping races are held along the Thames which are described under Rowing on the River Thames.


Sailing is practiced on both the tidal and non-tidal reaches of the river. The highest club upstream is at Oxford. The most popular sailing craft used on the Thames are lasers, GP14s, and Wayfarers. One sailing boat unique to the Thames is the Thames Rater, which is sailed around Raven's Aitmarker.


Skiffing remains popular, particularly in the summer months. Several clubs and regattas may be found in the outer suburbs of west London.


Unlike the "pleasure punting" common on the Cherwellmarker in Oxfordmarker and the Cammarker in Cambridgemarker, punting on the Thames is competitive and uses narrower craft.

Kayaking and canoeing

Kayaking and canoeing are popular, with sea kayakers using the tidal stretch for touring. Sheltered water kayakers and canoeists use the non-tidal section for training, racing and trips. Whitewater playboaters and slalom paddlers are catered for at weirs like those at Hurley Lockmarker, Sunbury Lockmarker and Boulter's Lockmarker. At Teddington just before the tidal section of the river starts is Royal Canoe Clubmarker, said to be the oldest in the world and founded in 1866.


A Thames meandermarker is a long-distance journey over all or part of the Thames by running, swimming or using any of the above means. It is often carried out as an athletic challenge in a competition or for a record attempt.


Maidenhead Railway Bridge as Turner saw it in 1844
Monet's Trouée de soleil dans le brouillard, Houses of Parliament, London, Sun Breaking Through the Fog, 1904
St John's lock, near Lechlade.
The River Thames in Oxford

Visual arts

The River Thames has been a subject for artists, great and minor, over the centuries. Four major artists with works based on the Thames are Canaletto, J. M. W. Turner, Claude Monet, and James Abbott McNeill Whistler. The 20th century British artist Stanley Spencer produced many works at Cookhammarker.

The river is lined with various pieces on sculpture, but John Kaufman's sculpture The Diver:Regeneration is actally sited in the Thames near Rainhammarker.


The Thames is mentioned in many works of literature including novels, diaries and poetry. It is the central theme in three in particular:

Three Men in a Boat by Jerome K. Jerome, first published in 1889, is a humorous account of a boating holiday on the Thames between Kingston and Oxford. The book was intended initially to be a serious travel guide, with accounts of local history of places along the route, but the humorous elements eventually took over. The landscape and features of the Thames as described by Jerome are virtually unchanged, and enduring humour has meant that it has never been out of print since it was first published.

Charles Dickens Our Mutual Friend (written in the years 1864–65) describes the river in a grimmer light. It begins with a scavenger and his daughter pulling a dead man from the river near London Bridge, to salvage what the body might have in its pockets, and heads to its conclusion with the deaths of the villains drowned in Plashwater Lockmarker upstream. The workings of the river and the influence of the tides are described with great accuracy. Dickens opens the novel with this sketch of the river, and the people who work on it:
In these times of ours, though concerning the exact year there is no need to be precise, a boat of dirty and disreputable appearance, with two figures in it, floated on the Thames, between Southwark Bridgemarker which is of iron, and London Bridgemarker which is of stone, as an autumn evening was closing in.The figures in this boat were those of a strong man with ragged grizzled hair and a sun-browned face, and a girl of nineteen or twenty. The girl rowed, pulling a pair of sculls very easily; the man with the rudder-lines slack in his hands, and his hands loose in his waisteband, kept an eager look-out.

Kenneth Grahame's The Wind in the Willows, written in 1908, is set in the middle to upper reaches of the river. It starts as a tale of anthropomorphic characters "simply messing about in boats" but develops into a more complex story combining elements of mysticism with adventure and reflection on Edwardian Society. It is generally considered one of the most beloved works of children's literature and the illustrations by E.H.Shepard and Arthur Rackham feature the Thames and its surroundings.

The river almost inevitably features in many books set in Londonmarker. Most of Dickens' other novels include some aspect of the Thames. Oliver Twist finishes in the slums and rookeries along its south bank. The Sherlock Holmes stories by Arthur Conan Doyle often visit riverside parts as in The Sign of Four. In Heart of Darkness by Joseph Conrad, the serenity of the contemporary Thames is contrasted with the savagery of the Congo Rivermarker, and with the wilderness of the Thames as it would have appeared to a Roman soldier posted to Britannia two thousand years before. Conrad also gives a description of the approach to London from the Thames Estuarymarker in his essays The Mirror of the Sea (1906). Upriver, Henry James' Portrait of a Lady uses a large riverside mansion on the Thames as one of its key settings.

Literary non-fiction works include Samuel Pepys' diary, in which he recorded many events relating to the Thames including the Fire of Londonmarker. He was disturbed while writing it in June 1667 by the sound of gunfire as Dutch warships broke through the Royal Navy on the Thames.

In poetry, William Wordsworth's sonnet On Westminster Bridge closes with the lines:

Ne'er saw I, never felt, a calm so deep!
The river glideth at his own sweet will:
Dear God! the very houses seem asleep;
And all that mighty heart is lying still!

T. S. Eliot references makes several references to the Thames in The Fire Sermon, Section III of The Waste Land.

Sweet Thames run softly, till I end my song.
The river bears no empty bottles, sandwich papers,
Silk handkerchiefs, cardboard boxes cigarette ends
Or other testimony of summer nights.


The river sweats
Oil and tar
The barges drift
With the turning tide
Red sails
To leeward, swing on the heavy spar,
The barges wash
Drifting logs
Down Greenwich reach
Past the Isle of Dogs

The Sweet Thames line is taken from Edmund Spenser’s Prothalamion which presents a more idyllic image:

Along the shoare of silver streaming Themmes;
Whose rutty banke, the which his river hemmes,
Was paynted all with variable flowers.
And all the meads adornd with daintie gemmes
Fit to deck maydens bowres

Also writing of the upper reaches is Matthew Arnold in The Scholar Gypsy:

Crossing the stripling Thames at Bab-lock-hythe
Trailing in the cool stream thy fingers wet
As the slow punt swings round

Oh born in days when wits were fresh and clear
And life ran gaily as the sparkling Thames;
Before this strange disease of modern life.

Dylan Thomas mentions the Thames River in his poem "A Refusal To Mourn The Death, By Fire, Of A Child In London". "Londons' Daughter", the subject of the poem, lays "Deep with the first dead...secret by the unmourning water of the riding Thames".

Science-fiction novels make liberal use of a futuristic Thames. The utopian News from Nowhere by William Morris is mainly the account of a journey through the Thames valleymarker in a socialist future. The Thames also features prominently in Philip Pullman's His Dark Materials trilogy, as a communications artery for the waterborne Gyptian people of Oxford and the Fens.

In The Deptford Mice trilogy by Robin Jarvis, the Thames appears several times. In one book, rat characters swim through it to Deptfordmarker. Winner the Nestlé Children's Book Prize Gold Award I, Coriander, by Sally Gardner is a fantasy novel in which the heroine lives on the banks of the Thames


The Water Music composed by George Frideric Handel premiered in the summer of 1717 (July 17, 1717) when King George I requested a concert on the River Thames. The concert was performed for King George I on his barge and he is said to have enjoyed it so much that he ordered the 50 exhausted musicians to play the suites three times on the trip.

The Sex Pistols played a concert on the Queen Elizabeth Riverboat on June 7, 1977, the Queen's Silver Jubilee year, while sailing down the river.

"Waterloo Sunset" is a song released as a single by The Kinks in 1967, and featured on their album Something Else by the Kinks. It was composed and produced by The Kinks lead singer and songwriter Ray Davies and is one of the band's best known and most acclaimed songs. The lyrics are from the point of view of a solitary man on the south bank of the Thames watching (or imagining) the romantic encounters of a couple at Waterloo Underground, then crossing Waterloo Bridgemarker.

"The Lovers Are Losing" is the second song on the Keane album "Perfect Symmetry", and it mentions the river in the first few lines of lyrics:
"I dreamed I was drowning in the River Thames

I dreamed I had nothing at all

Nothing but my own skin".

Cinema and television

A boat chase on the Thames forms the long opening scene of the James Bond film The World Is Not Enough. The offices of MI6marker, Britain's external spy agency, are right on the river in a building known as Vauxhallmarker Cross.

The theme of the Thames being completely drained was used in the Doctor Who episode "The Runaway Bride". This theme was also used in the Hollywoodmarker Blockbuster Fantastic Four: Rise of the Silver Surfer (2007), where a huge hole in the riverbed beside Westminster Bridge and the London Eye stranded the items formerly floating on the river.A birds eye view of the Thames in London can be seen in the main titles of EastEnders.

See also


Further reading

  • Multiple authors (1985). The Royal River: The Thames from Source to Sea. Bloomsbury Books, London. ISBN 0906223776 (Originally published 1885)

External links

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