Stock photography, photos: A man backpacking across a river Stock photos of A man crossing a fast river while backpacking near Truckee, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Backpacking, backpacker, backpack, wilderness, backcountry, back, country, action, active, effort, energy, determination, concentration, motivation, strength, strong, power, challenge, desire, difficult, adventure, hiking, risk, wet, man, male, solo, self reliance, spring, summer, stream, river, California, CA, water, crossing, wading, overcoming, deep, outdoor, outdoors, outdoorsman, outside, sports, sport, sportsman, recreation, recreational, exercise, exercising, physical fitness, health, healthy, one, 1, person, 20s, twenties, hike, hiker, vertical, Pres