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The Potomac Highlands of West Virginia (or Potomac Highlands) centers on five counties (Grant, Hampshire, Hardy, Mineral, and Pendleton) in the upper Potomac River watershed in the western portion of the state's Eastern Panhandle, bordering Maryland and Virginia. Because of geographical proximity, similar topography and landscapes, and shared culture and history, the Potomac Highlands region also includes Pocahontas, Randolph, and Tucker counties, even though they are in the Monongahela River or New River watersheds and not that of the Potomac River.〔West Virginia Travel Regions, General Information, The Wonders of West Virginia: Potomac Highlands, New River, Greenbrier Valley, Eastern Panhandle, Mountaineer Country, Northern Panhandle, Mountain Lakes, Metro Valley, Mid-Ohio Valley © 2007 Citynet LLC. All rights reserved, Site Design and Hosting by Citynet () (ret. July 11, 2010).〕 The Potomac Highlands broadly overlaps, but is not identical with, the four-state Allegheny Highlands or High Alleghenies region which includes the relatively high and rugged mountains along and near the Allegheny Front from extreme southern Pennsylvania southward across Maryland and West Virginia into adjacent Virginia. ==Geography== The region's geologic setting and landscape history make the Potomac Highlands one of the most scenic areas within the central Appalachian Mountains. The eastern part of the region is within the Ridge and Valley physiographic province, where long, steep-sided mountain ridges alternate with parallel broad, flat valleys. Water gaps, where rivers or streams have cut through the ridges, are important not only for their dramatic scenery, but also for their utility as easy crossings of these otherwise formidable mountains for roads, railroads, and telephone and telegraph lines. The western portion of the Potomac Highlands is within the Allegheny Plateau, with the Allegheny Front's prominent escarpment providing the boundary between these two areas. While much of the land in the Potomac Highlands is privately owned, large portions of the area are within the Monongahela National Forest, the George Washington National Forest, or various other kinds of parks, preserves, or other managed wild areas. A group of sites within the Allegheny Highlands has been proposed for inclusion as a new unit within the U.S. National Park System. The Fairfax Stone, marking the source of the Potomac River, is along the north edge of the Potomac Highlands, just south of the southern tip of western Maryland. 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「Potomac Highlands of West Virginia」の詳細全文を読む スポンサード リンク
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