Stock photography, photos: A backpacker crossing a stream Stock photos of A man backpacking across Hot Creek near Mammoth, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Backpacking, backpacker, backpack, inspiration, action, active, effort, energy, liveliness, perseverance, endurance, enduring, determination, concentration, momentum, motivation, strength, challenge, desire, difficult, adventure, freedom, hiking, distance, vista, grandeur, vastness, risk, wet, cold, man, male, solo, self reliance, mountains, spring, summer, stream, river, crossing, snow, California, sierras, white, water, river, outdoor, outdoors, outdoorsman, outside, sports, sport, sportsman, recreation, recreational, exercise, exercising, physical fitness, health, healthy, one, 1, person, 20s, twenties, hike, hiker, horizontal, white, sierra, msr, cascade designs, kelty, Pres