Mad River Mountain is a ski and snowboard resort in Valley Hi, Ohio, United States. The elevation of Mad River Mountain is 1,460 feet (450 m) with a vertical drop of 300 ft (91 m), and it has a ski season that runs from approximately mid-December through mid-March. The resort, which opened in 1962 as Valley Hi Ski Area, is owned and operated by Vail Resorts, who bought the resort from Peak Resorts... Wikipedia