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阿爾泰山脈（維吾爾語：ئالتاي تاغ تىزمىسى‎；俄語：Алтай；蒙古語：ᠠᠯᠲᠠᠢ ‧ Алтай或ᠠᠯᠲᠠᠢ
‍ᠶᠢᠨ
ᠨᠢᠷᠤᠭᠤ ‧ Алтайн нуруу；哈薩克語：Алтай таулары）位於中國新疆維吾爾自治區北部和蒙古西部一直延伸至俄羅斯境內與哈薩克東部，呈東南—西北走向。

阿爾泰山區遼闊各種動物植物皆屬於原始狀態,其中著名的保育動物雪豹,目前已知在此繁衍,動物學者與探險家,曾經於此區域發現他們的芳蹤,雪豹以獵食山區內的兔子,山羊為食物,秋末冬初是他們外出獵食最佳時期,每年冬季到翌年4月牠們多半躲藏在山洞中避冬,但不是冬眠,只是甚少外出獵食,雪豹生產為1-2胎,甚為稀少,早已被聯合國訂為禁止獵殺的動物之一.,近年來俄羅斯,中國,蒙古,哈薩克等4國,皆成立保育區,守護阿爾泰山區,以防止不法獵人盜獵,雪豹,西伯利亞虎,老鷹,山羊以及其他野生動等等.尤其是各國交界地區,容易行成4不管地帶,向南部的向陽區域,動物最多也最活躍,容易吸引獵人如今該地區已零下15度左右.

The Altai Mountains (/ɑːlˈtaɪ/), also spelled Altay Mountains, are a mountain range in Central and East Asia, where Russia, China, Mongolia, and Kazakhstan come together, and where the rivers Irtysh and Ob have their headwaters. The massif merges with the Sayan Mountains in the northeast, and gradually becomes lower in the southeast, where it merges into the high plateau of the Gobi Desert. It spans from about 45° to 52° N and from about 84° to 99° E.

The region is inhabited by a sparse but ethnically diverse population, including Russians, Kazakhs, Altais, and Mongolians. The local economy is based on bovine, sheep, and horse husbandry, agriculture, forestry, and mining. The now-disputed Altaic language family takes its name from this mountain range.

 The Altai Mountains, the “lungs of the planet”. Russia’s Altai gives the Swiss Alps a run for its money

The Altai Republic is located in southern Siberia and is considered one of the most beautiful regions of Russia. The region offers tourists a wide range of activities, from relaxed to hairraising. Thats why about one million travelers visit this place annually.