Ice Mountain is a mountain ridge and algific talus slope 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. Ice Mountain is protected by The Nature Conservancy and open for visits by small groups of hikers. It is nicknamed "Nature's Ice Box" and "Nature's Refrigerator" owing to its that release cool air all year long.