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The Loudoun Valley is a small, but historically significant valley in the Blue Ridge Mountains located in Loudoun County in northwestern Virginia in the United States. ==Geography== The lush and fertile valley lies between Catoctin Mountain and the Bull Run Mountains to the east and the Blue Ridge Mountains to the west. To the north it is bound by the Potomac River and to the south by the Broken Hills of Fauquier County. The small portion of the valley residing in Fauquier County is known as Upper Fauquier. The valley varies between and in width and is approximately long. The northern section of the valley is bisected by Short Hill Mountain. The area west of the Short Hill is known as Between the Hills and is distinct from the Loudoun Valley, while the area to the east, sometimes referred to as the Catoctin Valley, is associated with it. Major watercourses include Goose Creek, Catoctin Creek, Panther Skin Run, and the Little River. The three major highways across the valley are U.S. Route 50, which runs from Aldie on the east to Ashby Gap on the west; Route 7, which runs from Clarke's Gap west of Leesburg to Snickers Gap west of Bluemont; and Route 9, which diverges from Route 7 at Clarke's Gap and runs west to Keyes Gap on the West Virginia border. The terrain is rolling, with numerous ridges and hills; the elevation here ranges between above sea level. The soil is formed from gneiss, clay / slate, hornblende, greenstone, and quartz particles, a fertile and durable soil, containing alumina, silex, potash, lime, and other natural fertilizing minerals. 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「Loudoun Valley」の詳細全文を読む スポンサード リンク
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