Stock photography, photos: Mountaineering on Matthis Crest, CA Stock photos of Two men mountaineering on Matthis Crest, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Mountaineering, alpine, spring, summer, snow, high country, action, active, effort, challenge, desire, difficult, risk, danger, extreme, adventure, man, male, rock climbing, determination, horizontal, 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, climbing, climb, climber, teamwork, working, together, cameraderie, Matthis Crest, CA, California, Whit Mull