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Lee Valley White Water Centre (previously known as Broxbourne White Water Canoe Centre) is a white-water slalom centre, that was constructed to host the canoe slalom events of the 2012 Summer Olympics. On 9 December 2010, Anne, Princess Royal officially opened the venue which is owned and managed by Lee Valley Regional Park Authority. The £31 million ($50 million US) project to construct the centre finished on schedule and was the first newly constructed Olympic venue to be completed.〔(Hertfordshire Mercury news item ) Retrieved 10 December 2010〕 The Olympic canoe slalom competition was held from 29 July through 2 August. The venue will also host the 2015 ICF Canoe Slalom World Championships. ==Venue== The venue is located between the towns of Waltham Cross in Hertfordshire and Waltham Abbey in Essex. The site is just outside the northern boundary of Greater London and north-west of the Queen Elizabeth Olympic Park in Stratford, east London. It is in the heart of River Lee Country Park which is part of the , long Lee Valley Park.〔(London2012.com venue page )〕 The venue opened in late 2010 offering canoeing and rafting activities to the public ahead of the London 2012 Summer Olympics. The venue has a purpose-built slalom course for the Olympic white-water canoe events (flatwater canoeing and kayaking events took place at Dorney Lake, Buckinghamshire, west of London). The main competition channel is an international- and Olympic-standard 300-metre canoe and kayak slalom course. It and the shorter warm-up course empty into the warm-up and cool-down lake. The white water is created by a system of pumps which lift water into the two start pools. All of the water contained in the system is slightly chlorinated in order to retain water quality.〔(Planning green light for London 2012 Canoe / Kayak slalom venue ) London2012.com Press Release, 1 October 2008〕 During the Games, temporary seating was installed around the venue for 12,000 spectators. The 300-metre competition course has a drop of 5.5 metres〔(Construction underway on 2012 canoe slalom venue ) London2012.com Press Release, 3 July 2009〕 (18 ft), for an average slope of 1.8% (18 m/km or 95 ft/mile) and a pump-powered streamflow of 13 cubic metres per second (460 cubic feet per second).〔http://www.leevalleypark.org.uk/en/content/cms/White_Water_Canoe_Ce/Centre_information/Centre_information.aspx Retrieved 28 August 2011.〕 The intermediate/warm-up course is 160 metres long with a drop of 1.6 metres and flow of 10.5 cubic metres per second.〔 A 10,000-square-metre lake, filled with groundwater, supplies the water for the pumps.〔http://www.london2012.com/games/venues/broxbourne-white-water-canoe-centre.php Retrieved 2 February 2010〕 Lee Valley Regional Park Authority hope to bring in up to £45,000 per day from visitors to offset the energy cost of pumping the water.〔Beard, Matthew (24 May 2010). http://www.standard.co.uk/news/rapids-of-rockies-come-to-herts-for-2012-olympic-canoeists-6472660.html "Rapids of Rockies Come to Herts for 2012 Olympic Canoeists"]. ''London Evening Standard''. Retrieved 4 August 2012.〕 The course is sited within a new landscaped parkland setting, including path and bridge networks to enable spectators to have access and view the events (landscaping works were carried out by Tilbrooks Landscapes.〔(【引用サイトリンク】url=http://www.tilbrooks.co.uk/LeeValley_WWCC.htm )〕). A new facility building houses reception, café, changing rooms, shop, offices, spectator viewing, equipment storage and water pump and filtration facilities.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lee Valley White Water Centre」の詳細全文を読む スポンサード リンク
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