Mammoth Mountain is California's premiere mountain resort offering big mountain skiing and riding. Mammoth Mountain Ski Area ("Mammoth") features 150 named trails spread across 3,500 acres of terrain. 29 lifts, including three gondola's and 11 high-speed detachable chairlifts provide access to the terrain. Mammoth typically has one of the longest ski and snowboard seasons in the U.S. Resort winter activities Skiing & Riding, Woolly's Tube Park & Snow Play, Cross Country Skiing Snowmobile, Adventures, Ski + Snowboard and muh more.