Arapahoe Basin, often referred to as A-Basin, is a ski area located in the Rocky Mountains of Colorado. It is known for its high elevation, with a base area starting at 10,780 feet and reaching a summit of 13,050 feet. The resort offers a variety of terrain for skiers and snowboarders, including groomed runs and challenging backcountry options. Arapahoe Basin is famous for its long ski season, typically opening in mid-October and closing in early June. The area features several dining options, ski schools, and rental services, making it accessible for both beginners and experienced winter sports enthusiasts.