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The Hall Natural Area or Harvey Monroe Hall Natural Area is a region on the eastern border of Yosemite National Park in California. The area is located about 1.25 miles (2.0 km) northwest of Tioga Pass, and is approximately four miles (6.4 km) long from north to south and 2.75 miles (4.4 km) wide at its widest point. It lies completely within the Inyo National Forest.〔 ==Geography== The Natural Area covers . Elevations range from along Lee Vining Creek to atop Mount Conness. The entire area is drained by Lee Vining Creek, which flows from northwest to southweast. Glaciation strongly affected the topography. Several deeply glaciated northeast-facing cirques are present, with steep headwalls and flats or lakes at their floors. Much of the lower elevation area is stepped topography resulting from differential erosion along jointing planes in the granitic bedrock. The climate is high Sierran montane with copious winter snowfall. Average annual precipitation is estimated to be more than . There is great variation in temperature and growing season.〔 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「Hall Natural Area」の詳細全文を読む スポンサード リンク
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