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Loch Katrine (; (スコットランド・ゲール語:Loch Ceiteirein or Loch Ceathairne), ) is a freshwater loch in the district of Stirling, Scotland. It is roughly 8 miles long by 2/3 of a mile wide and runs the length of Strath Gartney (Gaelic: ''Srath Ghartain''). It is a popular destination for tourists and day visitors from Glasgow and other nearby towns. The loch derives its name from the term ''cateran'' from the Gaelic ''ceathairne'', a collective word meaning ''cattle thief'' or possibly ''peasantry''. Historically this referred to a band of fighting men of a clan; hence the term applied to marauders or cattle-lifters, the most notorious of whom was Rob Roy MacGregor who was born at Glengyle House at the northern end of the Loch. It is the fictional setting of Sir Walter Scott's poem ''The Lady of the Lake'' and of the subsequent opera by Gioachino Rossini, ''La donna del lago''. ==History== Robert Roy MacGregor was born at the head of the loch. Loch Katrine is now owned by Scottish Water, and has been the primary water reservoir for much of the city of Glasgow and its surrounding areas since 1859. The water level has been artificially raised by around 6 feet - the Loch can be drawn down by a maximum of 7 ft in order to provide gravitational flow to the Milngavie water treatment works via two 26 mile long aqueducts and 13 miles of tunnel. Milngavie itself is situated at almost 400 ft above sea level - sufficient to provide adequate water pressure to the majority of Glasgow without the need for pumping. The system can deliver up to 50,000,000 gallons a day. Construction was started in 1855 and the works was opened by Queen Victoria in 1859. The aqueduct project was built under the guidance of the eminent Civil Engineer John Frederick Bateman (1810–1889), an example of his engineering prowess that can still be seen working today. The second aqueduct was opened in 1901. Water levels are supplemented via a dam and short tunnel from Loch Arklet, a reservoir located between Loch Katrine itself and Loch Lomond, beside the road to Inversnaid, this project was completed in 1914. A longer tunnel beneath Ben A'an which brings water from the Glen Finglas Reservoir was completed in 1958, with dam being completed in 1965. Oil-fired vessels are not permitted to sail its waters due to the danger of pollution to the drinking water of Glasgow. The steamboat SS Sir Walter Scott has provided sailings on the loch since 1900. It was coal-fired until 2007, when it was converted to use biodiesel fuel, and continues to provide local tourist transport between Trossachs Pier and Stronachlachar during the summer. 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「Loch Katrine」の詳細全文を読む スポンサード リンク
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