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The Trent–Severn Waterway is a canal route traversing Southern Ontario cottage country, and a linear National Historic Site of Canada administered by Parks Canada. It was formerly used for industrial and transportation purposes, and is maintained for recreational boating and tourism. The Waterway connects two of the Great Lakes—Ontario and Huron—with an eastern terminus at Trenton and a western terminus at Port Severn. Its major natural waterways include the Trent River, Otonabee River, the Kawartha lakes, Lake Simcoe, Lake Couchiching and the Severn River. It is open for navigation from May until October, while its shore lands and bridges are open year-round. ==Geography== The total length of the waterway is , beginning at Trenton, Ontario, with roughly of man-made channels. There are 45 locks, including 36 conventional locks, two sets of flight locks, hydraulic lift locks at Peterborough and Kirkfield, and a marine railway at Big Chute which transports boats between the upper and lower sections of the Severn. The system also includes 39 swing bridges and 160 dams and control structures that manage the water levels for flood control and navigation on lakes and rivers that drain approximately of central Ontario's cottage country region, across four counties and three single-tier cities, an area that is home to more than a million Canadians. It reaches its highest point of at Balsam Lake, the highest point to which a vessel can be navigated from sea level in the Great Lakes-Saint Lawrence River drainage basin. The navigable summit of the Monongahela River (part of the Mississippi River drainage basin) at Fairmont, West Virginia is, at , the highest point in North America, and the summit of the Rhine–Main–Danube Canal at its highest point of is higher still. The Trent–Severn Waterway is managed by Parks Canada under the statutory authority of the Historic Canals Regulations (which outline and delegate the responsibilities for navigation, resource protection, dredge and fill operations, the operation of boater campgrounds, etc.). The navigation corridor includes over of shoreline and over of water. More than private and commercial properties abut the navigation corridor of the Trent–Severn Waterway. The Trent–Severn Waterway also has regulatory responsibility and authority under the Dominion Water Power Act for the 18 hydroelectric generating facilities located along its route. A six-member independent panel was appointed to evaluate the waterway's future in May 2007. The panel members heard from more than one thousand people in more than thirty meetings in sixteen communities along the waterway. The panel submitted their report to the Federal Minister of the Environment in April 2008. 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「Trent–Severn Waterway」の詳細全文を読む スポンサード リンク
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