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Lyon Mountain is located in Clinton County, New York, United States.
Parent jurisdiction: Clinton County, New York
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Lyon Mountain is a hamlet located in the town of Dannemora, within Clinton County, New York. As of the 2020 Census, the population of Lyon Mountain is 1,201 residents. This small community is situated approximately 10 miles southwest of the city of Plattsburgh and is known for its rich history in iron mining, which significantly contributed to the local economy in the late 19th and early 20th centuries.
Key landmarks in Lyon Mountain include the Lyon Mountain Historic Association, which preserves the area's mining history, and the nearby Lyon Mountain State Forest, offering recreational opportunities such as hiking and wildlife observation. The hamlet is also home to the former Lyon Mountain Correctional Facility, which was operational from 1930 until its closure in 2011. This facility played a significant role in the local economy and community structure for decades.
The economic landscape of Lyon Mountain has shifted since the decline of the mining industry, with many residents now commuting to nearby towns for employment. The community's historical significance is marked by its contributions to the iron industry, which was pivotal in supporting the manufacturing boom in the region during its peak years.
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