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The Nolichucky River is a river that flows through Western North Carolina and East Tennessee, in the southeastern United States.〔(【引用サイトリンク】 title=The National Map )〕 Traversing the Pisgah National Forest and the Cherokee National Forest in the Blue Ridge Mountains, the river's watershed is home to some of the highest mountains in the Appalachians, including Mount Mitchell, the highest point in the eastern United States. The river is a tributary of the French Broad River, and is impounded by Nolichucky Dam near Greeneville, Tennessee. ==Hydrography== The Nolichucky River rises as the confluence of the North Toe River and the Cane River near the community of Huntdale, North Carolina. The stream succeeds the North Toe as the boundary between Yancey County and Mitchell County, North Carolina. Trending roughly westward, it flows along the northern base of Flattop Mountain. The gorge is especially steep on its north side. Geologically, the area is predominantly underlain by metamorphic rock of Precambrian age. The river then enters Unicoi County, Tennessee, as it drops through a whitewater gorge, flowing between the ranges of the Bald Mountains (to the south) and the Unaka Mountains (to the north). Turning northwest, the stream is bridged by the Appalachian Trail, and then, just beyond this, by U.S. Highway 19W southwest of Erwin, Tennessee. Near Erwin, two tributary streams, South Indian Creek and North Indian Creek, join the Nolichucky River. Turning more to the north, the stream is paralleled for several miles by State Route 81, (which is also concurrent with Tennessee State Route 107 for several miles) crossing into Washington County. The river cuts between several mountains at this point, including Rich Mountain to the south and Buffalo Mountain to the north. Shortly after entering Washington County, the river makes a horseshoe bend near Embreeville, where it is bridged by Tennessee 81 and Tennessee 107 for the first time. At the northeastern end of Embreeville Mountain, the stream emerges from a large gap, and, turning west-southwest, is bridged by Tennessee 81 again. Here, it exits the Blue Ridge Mountains and enters the Ridge and Valley province, which is underlain primarily by sedimentary rock of the Lower Paleozoic Era. The river then continues west-southwest for several miles, paralleled by State Route 107. The river leaves the roadside near Mt. Carmel. From there it flows northwest over a winding course to Davy Crockett Birthplace State Park near the Washington County–Greene County line. Many tributary creeks join the river in Washington and Greene Counties. At the county line one of the larger tributaries, Big Limestone Creek, joins the river. State Route 351 crosses the river west of Crockett's birthplace. From Crockett's birthplace the river flows southwestward, following the trends of the Ridge and Valley province's underlying geology. Bridged by Tennessee 107 again just east of Tusculum, the stream continues southwestward, later bridged by State Route 350 just above an impoundment caused by Nolichucky Dam. This dam was constructed as a hydroelectric project by the former Tennessee Electric Power Company in 1912. The dam was sold to the Tennessee Valley Authority (TVA) in 1939. The TVA continued to operate the dam for electrical power purposes until the 1970s. The degree of siltation of the reservoir, called Davy Crockett Lake, had made continued efforts to operate the facility for hydroelectric purposes impracticable. The agency retired the dam as a power source but continues to maintain it and to use it for flood control and recreational purposes. Just west of the dam, the river crosses State Route 70 and State Route 107 for a third and final time. Continuing almost due west, the river is bridged by U.S. Highway 321. Just before reaching the Greene County–Cocke County line, the river is bridged by State Route 340. Just past this point, the river becomes the Greene County–Cocke County line. A few miles below this point it is bridged by Knob Creek Road, a Cocke County road. South of Interstate 81, Greene County, Cocke County, and Hamblen County come to a point at a bend in river, where Lick Creek joins the river. From this point on, the meandering stream forms the Hamblen County–Cocke County line. The confluence of the Nolichucky with the French Broad River occurs in the upstream portion of the Douglas Lake impoundment, caused by Douglas Dam, a World War II-era TVA project located downstream along the French Broad. The mouth of the Nolichucky lies near the point where Hamblen, Cocke, and Jefferson County meet. Near the mouth is the Rankin Wildlife Management Area, a reserve operated by the Tennessee Wildlife Resources Agency. 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「Nolichucky River」の詳細全文を読む スポンサード リンク
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