Hidden Valley, which opened for business in 1982, is located in Wildwood, Missouri, 29 miles west of St. Louis and has a population base of 3.9 million people within 100 miles. Hidden Valley Skiers and snowboarders enjoy a 310 foot vertical drop. 30% beginner, 60% intermediate, 10% advanced, terrain park, 2 Quad chairlift, 2 Triple chairlifts, 2 double chairlift, 2 rope tows as well as a conveyor surface lift. The resorts snow tubing hill has 8 lanes along with 2 conveyor surface lifts. Hidden Valley boasts 30 acres of skiable terrain over 3 peaks, and their powerful snowmaking system allows for an average of over 80 days of winter operation.