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Molesey Lock
The lock after the release of 160,000 Rubber ducks at the start of the Great British Duck Race in September 2007
51°24′17″N 0°20′45″W / 51.40472°N 0.34583°W / 51.40472; -0.34583 (Molesey Lock)
Waterway	River Thames
County	Surrey
Maintained by	Environment Agency
Operation	Hydraulic
First built	1815
Latest built	1906
Length	81.78 m (268 ft 4 in)
Width	7.56 m (24 ft 10 in)
Fall	1.85 m (6 ft 1 in)
Above sea level	20 ft (6.1 m)
Distance to Teddington Lock	4.8 miles
Power is available out of hours

v t e Molesey Lock
Legend
Tumbling Bay weir River Ash (distributary of Colne) storm weir River Thames above Sunbury Lock Sunbury Weir Sunbury Lock Ait or Island boat rollers Sunbury locks (manual lock) Rivermead Island Sunbury Court Island Grand Junction Isle Portlane Brook Platts Eyot Benn's Ait and St Mary's Church, Hampton Garrick's Ait and main channel Tagg's Island Ash Island weir Molesey Lock River Thames: Kingston Reach

Molesey Lock is a lock on the River Thames in England at East Molesey, Surrey on the right bank.

The lock was built by the City of London Corporation in 1815 and was rebuilt by the Thames Conservancy in 1906. It is the second longest on the river at 81.78 m (268 ft 4 in); it is the second lowest of the non-tidal river and third-lowest including Richmond Lock on the Tideway. Upstream of the lock are moorings for small boats, specifically skiff, paddleboard, small speedboat and open kayak hire, a tour boat pier, a kiosk and van parking space for ice cream and soft drinks. A few metres upstream is a combined side weir and front weir followed by an attached ait, Ash Island. A low backwater against the opposite bank which forms the waterside to homes sometimes called the Hampton Riviera continues to a small upper weir.

Molesey Lock is within sight of the walls of Hampton Court Palace in southwest London on the opposite bank through the arches of Hampton Court Bridge, designed by Edwin Lutyens (220 m away).

Boat hire and touring

The lock's proximity to Hampton Court and boat hire at the site made it a popular venue for spectators in the Victorian and Edwardian eras, the tree-lined lock attracts large numbers of visitors for nine months of the year. Hire boat companies and ice cream sales attract visitors in all months apart from winter.

History

A lock was first proposed in 1802 because of then-shallows upstream at "Kenton Hedge and Sundbury Flatts above" — nothing came of the suggestion. In 1809 the proposal was resubmitted Parliament passed the Act for construction of the lock in 1812. Building began in 1814 and it opened in 1815 with an Italianate lockhouse. The first lock keeper was killed in a horse race at Moulsey Hurst and his successor discharged after incidents of stealing from barges. In 1853 changes were made to the lock in anticipation of lower water levels caused by the extraction of water upstream. Fish ladders were added to the weir in 1864 and the boat slide built in 1871. Such was the popularity of boating that in 1877 the navigation commission stationed a boat and crew in busy days above the weir in case of accidents. The lock was rebuilt in 1906. On the small lock island is a plaque commemorating Michael J Bulleid whose work for salmon conservancy allows them to scale the river.

Access to the lock

The lock is 220 metres (720 ft) upstream of Hampton Court Bridge on the right bank, which is here the south side. It is immediately accessible from Hurst Road/Riverbank (A3050) with pavements and a sloped approach and is 330 metres (1,080 ft) from the platform at Hampton Court railway station terminus on the same bank.

Reach above the lock

After the lock cut is Tagg's Island which provides mooring for houseboats some of which are three storeys high. On the Surrey bank here is the "Eights Tree" a tall metal sculpture outside Molesey Boat Club. The left bank here is sometimes marked as the Hampton Riviera featuring the Swiss Cottage, the Astoria Houseboat and an array of period buildings at Hampton such as Rotary Court. Garrick's Ait similar in size to Ash Island, is residential, by the Hampton-Molesey Hurst Ferry, which runs in the summer between Hampton and Moulsey Hurst park on the right bank.

Left bank proceeding in reverse to flow

Benn's Island, the second-smallest named island in the Thames, lies upstream of the lock, opposite the original village conservation area of Hampton facing St Mary's Church and The Bell Inn, and is entirely covered by Hampton Sailing Club. Further upstream is Platts Eyot, where Motor Torpedo Boats were built during World War I and World War II. At Platt's Eyot on the left bank is Hampton Water Treatment Works and reservoirs, alongside Millennium Boat House jointly operated by Hampton School Boat Club and Lady Eleanor Holles School Boat Club. Grand Junction Isle has a footbridge and a few chalets on it followed by riverside houses at Sunbury and Sunbury Court Island. Upstream of these is Rivermead Island an expanse of public open space. The area of Sunbury Weir pool is used for kayaking and the narrow Creek backwater runs on the left bank adjoining Wheatley's Ait which has two sources: the River Ash and a minor tumbling bay-weir fed branch of the Thames which naturally formed the large residential island.

Right bank proceeding in reverse to flow

On the right bank is the large stretch of open ground at Moulsey Hurst, which has a heritage marker and an information panel opposite Platt's Eyot. Beyond the Eyot on this bank are the Molesey Reservoirs behind the towpath to Walton-on-Thames, trees, high brick walls and a patch of meadow before Sunbury Lock.

Sports and public regattas

The stretch is home to two sailing and three rowing clubs, one of which is skiffing and one for two large independent schools. Molesey Regatta takes place from Platts Eyot in July and Sunbury Amateur Regatta is held alongside Rivermead Island in August.

Sports clubs on the reach

• Molesey Boat Club
• Hampton School Boat Club (shares Millennium Boathouse with LEH School)
• Sunbury Skiff and Punting Club
• Lady Eleanor Holles School Boat Club (shares Millennium Boathouse with Hampton School)
• Hampton Sailing Club
• Aquarius Sailing Club
• Hampton Canoe Club
• 1st Molesey (Jaguar) Sea Scout Group
• 1st Hampton Hill (Achilles) Sea Scout Group

Waterworks and reservoirs

There are reservoirs on both sides of the river above Sunbury Lock, created after the 1852 Metropolis Water Act made it illegal to take drinking water for London from the tidal Thames below Teddington Lock because of the amount of sewage in the river. The Hampton Waterworks were built on the northern bank in the 1850s by three companies — the Grand Junction Waterworks Company, the Southwark and Vauxhall Waterworks Company, and the West Middlesex Waterworks Company. The reservoirs at Molesey on the southern bank were established in 1872, by the Lambeth Waterworks Company, followed three years later by the Chelsea Waterworks Company. Both companies had previously built their reservoirs at Seething Wells below Molesey Lock, but the turbulence caused by the River Mole, River Ember and The Rythe meant there was too much mud brought in with the water.

Thames Path

The Thames Path stays on the Surrey bank (right bank) to Sunbury Lock. The next bridge is half-way along the long reach upstream, Walton Bridge. A large tank trap from World War II is visible beside the right-bank reservoirs.

Literature and the Media

• Jerome K. Jerome wrote in the 1880s "I have stood and watched it sometimes when you could not see any water at all, but only a brilliant triangle of bright blazers and gay caps, and saucy hats, and many-coloured parasols, and silken rugs and cloaks and streaming ribbons..."
• The lock featured in an edition of the gardening make-over programme Ground Force

See also

• Locks on the River Thames
• Rowing on the River Thames
• Sailing on the River Thames
• London water supply infrastructure

References

1. ^ "A User's Guide to the River Thames" (PDF). PDF file. Environmental Agency. 2009. pp. 29–30. Retrieved 7 November 2012. Dimensions given in metres
2. ^ Fred. S. Thacker The Thames Highway: Volume II Locks and Weirs 1920 - republished 1968 David & Charles
3. An Act to make better Provision respecting the Supply of Water to the Metropolis, (15 & 16 Vict. C.84)
4. A Guide to the Industrial Archaeology of the Borough of Elmbridge
5. Jerome, Jerome K. Three Men in a Boat (To Say Nothing of the Dog). Bristol: Arrowsmith, 1889

External links

• Photographs of Molesey Lock from the Francis Frith Collection
• Memoryscape — Drifting: Molesey Lock
• 1st Molesey (Jaguar) Sea Scout Group

v t e Borough of Elmbridge
Towns, villages and neighbourhoods	Cobham Cobham Downside Stoke d'Abernon Little Heath Esher Claygate Esher Hinchley Wood West End Surbiton Long Ditton Thames Ditton Thames Ditton Weston Green Molesey Molesey (in traditional parish, East Molesey and West Molesey) Leatherhead Leatherhead, Oxshott Walton on Thames Ashley Park Burwood Park Hersham Walton-on-Thames Weybridge Oatlands St George's Hill Weybridge
Notable parks	Cigarette Island Park Esher Commons Giggs Hill Green Hurst Park Molesey Heath Oxshott Heath and Woods Painshill Weybridge Heath
Places of worship	St George's Church, Esher St Mary's Church, Stoke d'Abernon Church of St Nicholas, Thames Ditton Weybridge United Reformed Church
Education	ACS International Schools Brooklands College Danes Hill School Esher Church of England High School Esher Sixth Form College Feltonfleet School Heathside School Hinchley Wood School Milbourne Lodge School Notre Dame School Reed's School Three Rivers Academy St George's College (part)
Transport	Railway stations Claygate Cobham & Stoke d'Abernon Esher Hampton Court Hersham Hinchley Wood Oxshott Thames Ditton Walton-on-Thames Weybridge Roads M25 A3 A244 A307 A3050 Notable other Thames Path London Outer Orbital Path Wey Navigation
Buildings and structures	Bessborough Reservoir Brooklands Brooklands Museum Claremont Estate Cobham Park Cobham Training Centre Esher Place Hurst Park Racecourse Knight Reservoir Island Barn Reservoir London Bus Museum Molesey Lock Molesey Reservoirs Queen Elizabeth II Reservoir Sandown Park Racecourse Sunbury Lock Wayneflete Tower
Sport	Dittons Skiff and Punting Club East Molesey Cricket Club Esher RFC Metropolitan Police F.C. Molesey Boat Club Molesey F.C. Surbiton Hockey Club Thames Ditton Lawn Tennis Club Thames Valley Skiff Club Walton Casuals F.C. Walton & Hersham F.C. Walton Rowing Club Weybridge Rowing Club
Places listed are articles notable as settlements, arranged by post town The M25 motorway follows approximately a boundary and is included for its regional importance.

• Locks on the River Thames
• 1815 establishments in England
• Geography of Surrey
• Transport in Surrey