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The Low lighthouse is one of three lighthouses in Burnham-on-Sea, Somerset, England and the only one which is still active. It is a Grade II listed building.〔 Burnham-on-Sea is notable for its beach and mudflats, which are characteristic of Bridgwater Bay and the rest of the Bristol Channel where the tide can recede for over . Burnham is close to the estuary of the River Parrett where it flows into the Bristol Channel, which has the second highest tidal range in the world of , second only to Bay of Fundy in Eastern Canada.〔(【引用サイトリンク】title=Coast: Bristol Channel )〕 The constantly shifting sands have always been a significant risk to shipping in the area. The low wooden pile lighthouse or ''Lighthouse on legs'' is high; the light being at was built by Joseph Nelson in 1832, in conjunction with the High Lighthouse to replace the original Round Tower Lighthouse, which itself had been built to replace the light kept burning in the tower of St Andrews Church to guide fishing boats into the harbour.〔(【引用サイトリンク】title=Lighthouses )〕 It stands on nine wooden piers, some with plate metal reinforcement. The structure is whitewashed with a vertical red stripe on the seaward side.〔(【引用サイトリンク】work=Images of England )〕 The lights were inactive between 1969 and 1993 and were re-established when the High Lighthouse lights were permanently discontinued. They have a focal plane of and provide a white flash every 7.5s plus a directional light (white, red, or green depending on direction) at a focal plane of 4 m.〔 It is operated by Sedgemoor District Council. ==See also== *List of lighthouses in England 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「Burnham-on-Sea Low lighthouse」の詳細全文を読む スポンサード リンク
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