Brief Description
"The Rideau Canal, a monumental early 19th-century construction covering 202 km of the Rideau and Cataraqui rivers from Ottawa south to Kingston Harbour on Lake Ontario, was built primarily for strategic military purposes at a time when Great Britain and the United States vied for control of the region. The site, one of the first canals to be designed specifically for steam-powered vessels, also features an ensemble of fortifications. It is the best-preserved example of a slackwater canal in North America, demonstrating the use of this European technology on a large scale. It is the only canal dating from the great North American canal-building era of the early 19th century to remain operational along its original line with most of its structures intact."
丽都运河
丽都运河
"丽都运河是建于19世纪初的一条伟大的运河，包含了丽都河和卡坦拉基河(Cataraqui)长达202公里的河段，北起 渥太华，南接安大略湖金斯顿港。在英美两国争相控制这一区域之际，为战略军事目的开凿了这条运河。丽都运河是首批专为蒸汽船设计的运河之一，防御工事群是 它的另一个特色。1826年，在运河建造初期，英国人采用“静水”技术，避免了大量挖掘工作，并建立了一连串的水库和47座大型水闸，将水位抬高到适航深 度。这是北美保存最完好的静水运河，表明当时北美已大规模使用这项欧洲技术，是唯一一条始建于19世纪初北美大规模兴建运河时代，流经途径至今保持不变， 且绝大多数原始构造完好无损的运河。运河上建有六座“碉堡”和一座要塞，后来又在多个闸站增建防御性闸门和管理员值班室。在1846至1848年期间，为 加固金斯顿港口的防御工事建造了四个圆形石堡。丽都运河见证了为控制北美大陆发起的战争，具有重要的历史价值。 "
Source UNESCO WH website http://whc.unesco.org/en/list/1221
Courtesy of MsMoney from postcrossing forum
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