© Rear view of male hiker photographing river amidst mountains at Sagarmatha National Park

© hiking guide and local naturalist Jeffery Ottmers, explains the flora and fauna and teaches the participants how to track animals

© Side view of male hiker with backpack photographing while sitting on mountain against sky during sunny day

© Hiker kayaking on Lake Powell against canyons

© Low angle view of confident male hiker running on mountain against blue sky at night

© Low angle view of hiker with backpack climbing mountain against sky

© Female hiker standing by trees against cloudy sky in forest

© Rear view of female hiker with backpack walking on dirt road against sky in forest

© Rear view of female hiker with backpack standing on trail amidst plants against blue sky in forest

© Side view of female hiker with backpack standing in forest against cloudy sky

© Rear view of female hiker with backpack and stick standing on trail amidst plants against blue sky in forest

© Woman shaking head while standing in forest during winter

© Rear view of female hiker with backpack walking on boardwalk amidst trees in forest

© Distant view of man looking at sea while standing on cliff against cloudy sky

© Female hiker standing by river against mountains at Yosemite National Park

© Portrait of male hiker wearing sunglasses while standing on field against sky

© Rear view of female hiker with backpack walking on trail amidst trees in forest

© Low angle view of female hiker with backpack walking on grassy mountain against sky

© Rear view of female hiker with backpack walking on grassy mountain against sky

© Side view of female hiker with backpack standing on mountain against cloudy sky

© Side view of female hiker with backpack looking through binoculars while standing on field against sky

© Low angle view of male hiker with dog standing on snow covered field against mountain

© Rear view of female hikers with backpacks looking at mountains against clear sky

© Mid distance view of hiker standing on mountain against sky

© Rear view of female hiker with backpack looking at view while standing on mountain against cloudy sky