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Cannon River (Minnesota)
The Cannon River flows from Lake Tetonka 〔(【引用サイトリンク】 title=The National Map )〕 near Waterville, Minnesota to Red Wing in the U.S. state of Minnesota, where it joins the Mississippi River. It drains a watershed approximately 1460 square miles (3,780 km²) in size.
The Cannon River has few rapids, but some can be difficult (Class II). Some have claimed lives, as has the confluence with the Little Cannon River in Cannon Falls. Canoes traversing the river must portage several dams; the low header dams are more dangerous than they appear to novices. Downed trees and logjams are extreme hazards in high water, as are low bridges. The river varies in width from 50 to 200 feet (15 to 60 m).
==Water characteristics==
Stream flow usually peaks in early April. Very heavy rains can cause the river to flood. The dam at Lake Byllesby, does not affect water levels and canoeing downstream, because it maintains instantaneous flow-through. From Faribault, Minnesota to its mouth, the Cannon, a designated Minnesota Wild and Scenic River falls 280 feet (85 m), an average of 4.8 feet/mile (1 m/km). In its upper course, the river flows through the lake region of western Rice County. The chief tributary of the Cannon River is the Straight River, which enters the Cannon in Faribault. The Straight River is an important and scenic river in its own right. It originates in southern Steele County at Oak Glen Lake near Bixby.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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