Hidden Valley, a St. Louis destination since 1982, is located just 29 miles west of downtown St. Louis. Skiers and snowboarders enjoy 65 acres of skiable terrain over 3 peaks, with 320 foot vertical drop and 17 trails for a variety of skill levels! Our snow tubing hill has up to 16 lanes along with 2 conveyor surface lifts to take you back to the top of the hill, perfect for the whole family. Hidden Valley is now open year round with a brand new ZipTour which includes 4 ziplines, 2 chairlift rides and boasting the Region's longest most scenic Zipline!