Welcome to Mammoth Mountain, California’s highest four-season resort and playground with a summit at 11,053 feet above sea level. With 300 days of sunshine annually, the Eastern Sierra offers infinite recreation and scenic beauty all year long, including skiing and snowboarding in the winter, and mountain biking and golf in the summer. Our legendary snowfall provides a perfect winter playground, enabling Mammoth to truly claim the... Read More about Mammoth Mountain Ski Area