page_title: The Serpentine
section_title: History
hierarchical_section_title: The Serpentine / History
caption_attribution_description: English: Serpentine Bridge in Hyde Park, London seen from the eastern end of The Serpentine
context_page_description: The Serpentine is a 40-acre recreational lake in Hyde Park, London, England, created in 1730 at the behest of Queen Caroline. Although it is common to refer to the entire body of water as the Serpentine, strictly the name refers only to the eastern half of the lake. Serpentine Bridge, which marks the boundary between Hyde Park and Kensington Gardens, also marks the Serpentine's western boundary; the long and narrow western half of the lake is known as the Long Water. The Serpentine takes its name from its snakelike, curving shape, although it only has one bend.
  Originally fed by the River Westbourne and Tyburn Brook in the 1730s, the lake's water was then pumped from the Thames in the 1830s. The water is now pumped from three boreholes within Hyde Park, the most recent being installed in May 2012 as part of the 2011–2012 restoration of the Lake. The Serpentine provided a focal point for The Great Exhibition of 1851, and more recently was a venue for the men's and women's triathlon and marathon swimming events in the London 2012 Olympics. Since 1864 the Serpentine Swimming Club has organised a 100-yard race every Christmas morning.
context_section_description: In 1730 Queen Caroline, wife of George II, ordered the damming of the River Westbourne in Hyde Park as part of a general redevelopment of Hyde Park and Kensington Gardens. Original monastic ponds may have existed in the location and these were modified as part of the 1730–1732 scheme to create a single lake. At that time, the Westbourne formed eleven natural ponds in the park. During the 1730s, the lake filled to its current size and shape. The redevelopment was carried out by Royal Gardener Charles Bridgeman, who dammed the Westbourne to create the artificial lake, and dug a large pond in the centre of Kensington Gardens (The Round Pond) to be a focal point for pathways in the park.
  At the time of construction, artificial lakes were typically long and straight. The Serpentine was one of the earliest artificial lakes designed to appear natural, and was widely imitated in parks and gardens nationwide.
  The lake achieved notoriety in December 1816 when Harriet Westbrook, the pregnant wife of the poet Percy Bysshe Shelley, was found drowned in the Serpentine having left a suicide note addressed to her father, sister and husband. Shelley married Mary Wollstonecraft Godwin less than two weeks later.
  The lake formed a focal point of the 1814 celebrations which marked a century of Hanoverian rule and re-enacted the British victory at Trafalgar nine years previously, and of the 1851 Great Exhibition, with the Crystal Palace standing on its southern shore. Following the introduction of more stringent regulations to protect the environment in the park, the relocation of the Crystal Palace, and the construction of the nearby Albertopolis complex of museums and exhibitions, large-scale events ceased to take place on the banks of the Serpentine. However, it was the location for the 1977 Silver Jubilee celebrations, and a venue for the 2012 Olympics.
  In the 1820s, the park was extensively redesigned by Decimus Burton. At the same time, John Rennie the Younger designed and oversaw the Serpentine Bridge as part of newly built West Carriage Drive bounding Hyde Park against Kensington Gardens, dividing the lake into the Serpentine (east) and the Long Water (west).
  In 2011, The Royal Park embarked on the restoration of the Serpentine to combat growing concerns about the status of the water and the quality of the aquatic environment. The project resulted in a substantial change to the hydrology of the lake, which had a turnover time of 10 years, and is now reduced to 4–5 months as a result of new borehole water being pumped into the lake. The three boreholes, drilled into the Upper Chalk, now supply the lake with up to 900,000 cubic metres (32 million cubic feet) of water per annum ensuring that the lake remains fresh and does not stagnate. In addition, the historically contaminated sediments have been treated and nutrients within the sediments chemically neutralised. Thirdly, the oxygen status of the water and the overall mixing of the lake is now controlled by a series of 24 aeration pumps fixed to the base of the lake. These ensure that the dissolved oxygen levels in the lake do not fall and result in chronic ecological stress. Finally, the overall ecology of the lake was reviewed and some of the large bream and carp were removed in February 2012 to reduce their disturbance of the sediment and vegetation of the lake. These measures were implemented over the period October 2011 to June 2012. The resultant water quality of the lake was excellent and proved to be an extremely popular venue for the swimming portion of the London 2012 Triathlon and the Marathon Swim events in August 2012.
caption: Serpentine Bridge
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