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Laurel Hill, also known as Laurel Ridge or Laurel Mountain, is a long mountain in Pennsylvania's Allegheny Mountains. This ridge is flanked by Negro Mountain to its east and Chestnut Ridge to its west. The mountain is home to six State Parks; Laurel Ridge State Park, Laurel Mountain State Park, Linn Run State Park, Kooser State Park, Laurel Hill State Park, and the Ohiopyle State Park. The mountain also holds the long Laurel Highlands Hiking trail that runs along its length. Two state forests are also located on this mountain ridge that comprise over , they are the Gallitzin State Forest and the Forbes State Forest. State Game Lands 42 and 111 are also located on the mountain which also comprise a little over . Laurel Hill has an average elevation of along its length, while there are individual "knobs" that do rise above . The highest point is above the Seven Springs Ski Resort at . Laurel Hill is flanked on its north end by the Conemaugh Gorge and on its south end by the Youghogheny Gorge, both water gaps being approximately in depth. The ridge continues north of the Conemaugh Gorge for several miles as Rager Mountain, which reaches about 2,560'. South of the Youghiogheny Gorge, a short ridge, generally still labeled Laurel Hill, at the edge of Ohiopyle State Park, reaches about 2,920'. Part of the Eastern Continental Divide between Chesapeake Bay and Ohio River drainage, Laurel Ridge marks the western edge of Pennsylvania's ridge and valley geographic province and its meeting line with the Allegheny Plateau region to the west. it was a significant obstacle to westward movement of goods during the Colonial era. The towns of Johnstown and Ligonier are located on its northern end, while Confluence and Farmington are located towards its southern end. Two major roadways cross the Laurel Hill, the Pennsylvania Turnpike and U.S. Route 30 crosses further north. The Laurel Hill Tunnel goes beneath Laurel Hill. A number of smaller State roads crosses at other points on the mountain. ==Geology== Laurel Hill is made up of Mississippian and Pennsylvanian clastic sedimentary rocks, consisting mostly of conglomerate, sandstone, and shale. Formations include the Burgoon, Mauch Chunk, Pottsville, and Allegheny. The mountain is anticlinal in structure. Along the length of this ridge there are several prominent knobs that rise from the ridgeline. They are as follows south to north; Sugarloaf Knob , Painter Rock Hill , Birch Rock Hill , Highpoint , Bald Knob , Ulery Hill , Pea Vine Hill , Pikes Peak and Sugar Camp Hill . 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「Laurel Hill (Pennsylvania)」の詳細全文を読む スポンサード リンク
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