A view of mountains and a ski lift at Timberline Lodge Ski Resort. Credit: JonathanCohen/Getty Images In much of North America, ski season ends in April and May. Lifts stop running, the weather warms, and locals get out of town and head to the beach. But at certain ski areas in the Northern Hemisphere, the fun continues into summer, and in the Southern Hemisphere, skiing is just getting started. Skiers who want to extend their ski season into summer need only know where to head next. Some U.S. ski areas stay open through spring—Mammoth Mountain in California often remains open into June, as does Colorado’s Arapahoe Basin—but a true powder hound needs to know where to head in July or even August. If you want to chase ski season this June, July, and August, here are seven places to go—from glacier skiing options in the Northern Hemisphere to ski areas in the Southern Hemisphere. Note that exact opening dates will depend on conditions.…