Ice Mountain is a mountain ridge and algific talus slope[4] that is part of a 149-acre (60 ha) preserve near the community of North River Mills in Hampshire County, West Virginia, United States. It was designated a National Natural Landmark in 2012.[5]Ice Mountain is protected by The Nature Conservancy and open for visits by small groups of hikers.[2] It is nicknamed "Nature's Ice Box" and "Nature's Refrigerator" owing to its ice vents that release cool air all year long.[2][4] [Wikipedia]