Mammoth Mountain, Ski resort in California
Mammoth Mountain is a lava dome in California that rises above the surrounding landscape and serves as a ski area during winter. The slopes hold a wide network of runs connected by lifts, with the summit reaching more than 3300 meters (11,000 feet) above sea level.
Development as a ski area began after World War II when Dave McCoy secured permission to install the first permanent lift. Over the following decades, infrastructure gradually expanded, bringing the area to its current form.
Skiers and snowboarders gather here during winter months, drawn by the range of runs that suit different skill levels and riding styles. Many visitors spend several days exploring the terrain, staying in nearby lodges and cabins.
A mobile app provides current snow and weather conditions to help plan your visit. Direct flights from Los Angeles to Mammoth Lakes shorten the trip for visitors coming from larger cities.
Mammoth Mountain's magma source is separate from that of the Long Valley Caldera and the Inyo Craters. Carbon dioxide degassing on the south flank near Horseshoe Lake has killed trees across about 170 acres in six patches, and the gas is monitored year-round in the soil there.
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