From spring to fall, the Catamount ZipTour at Catamount Mountain Resort in Hillsdale, New York features the longest continuous zipline span in the entire country, at a length of 5,523 feet and a span with a 1,000-foot descent. The adventure park stretches 10 acres and includes more than 50 ziplines, 12 separate courses, and more than 170 platforms. If you're traveling in the winter, don't miss the ski mountain's 1,000-foot vertical drop and 36 trails and terrain parks. Six lifts include a summit quad and two wonder carpets. Other features include night skiing, 98% snowmaking, private and group lessons for adults and children, rentals, and childcare.