Stock photography, photos: A man winter mountaineering Stock photos of A man winter mountaineering on Donner Summit, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Mountaineering, alpine, winter, snow, cold, high, country, active, effort, motivation, strength, rock, strong, challenge, desire, difficult, skill, risk, danger, extreme, radical, adventure, man, male, solo, self reliance, climbing, steep, endurance, determination, concentration, vertical, Donner Summit, CA, California, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adventure, adventuring, twenties, 20s, 30s, thirties, one, 1, person, adult, adrenalin, excite, excitement, thrill, thrilling, climb, climber, ascend, ascent, Barn