Stock photography, photos: A couple ski mountaineering Stock photos of A couple ski mountaineering on Donner Peak, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Mountaineering, skiers, skis, backpack, alpine, winter, snow, cold, high country, action, active, effort, challenge, desire, difficult, risk, danger, steep, extreme, adventure, man, male, hiking, trekking, endurance, enduring, determination, horizontal, Donner Peak, CA, California, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20s, 30s, thirties, 2, two, people, adrenalin, excite, excitement, exciting, thrill, thrilling, skiing, climbing, climber, climb, ascend, ascent, hike, hiker, hiking, Meye Sutp