'''Long Mountain''' may refer to: {{TOC right}}
==Geography== ===China=== * Mount Long (陇山), the southern section of Mount Liupan within Shaanxi province, which defines the western end of the Guanzhong region
===Jamaica=== *Long Mountain (Jamaica), a mountain in the Kingston area
===United Kingdom=== *Long Mountain (Powys), on the borders of Powys, Wales and Shropshire, England
===United States=== *Long Mountain (Hampshire County, Massachusetts) *Long Mountain, just west of Tuxedo, North Carolina *Long Mountain in Hardy County, West Virginia
==Other== *Long Mountain (radar), Taiwanese air defense and BMD radar
== See also == *De Long Mountains, Alaska, United States *Langeberg, a mountain range in South Africa *Long Mynd, Shropshire, England *Long Range Mountains, Newfoundland, Canada
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