Yellow Hotel Sign on rocks in front of mountain slopes, Langtang Valley trek, Himalayas, Nepal, Asia

A trekker heads up into the wilderness of the highest part of the Ecrins Massif in deep winter snow, above the village of Pelvoux, near Briancon, western Alps, Hautes Alpes, south west France, Europe

A climber walks towards advanced base camp at 5800 metres on Mera Peak, 6420 metres, a popular trekking peak in the Khumbu region, with Mount Everest beyond, Nepal Himalaya, Nepal, Asia

Couple hiking in desert

Group of people nordic walking at Bussalp (1800 m), Grindelwald, Bernese Oberland (highlands), Canton of Bern, Switzerland

Hiker crossing a wooden bridge above a mountain brook, National Park Hohe Tauern, Tyrol, Austria

Hiking woman, National Park Hohe Tauern, Tyrol, Austria

Hiker crossing a wooden bridge above a mountain brook, National Park Hohe Tauern, Tyrol, Austria

Tourists on trip in a Mokoro canoe in the Okavango Delta, Botswana

A woman in her thirties carrying an infant hikes in the high-elevation volcanic Haleakala crater, Maui, Hawaii, United States of America

A woman carrying an infant hiking in the mountains. hiking in the mountains, Cascade Mountains, , Washington

Three Hikers, Two Female And One Male, On Top Of Grassy Hill With Rolling Foothills And Mountain Range In The Background With Blue Sky, Kananaskis Country, Alberta, Canada

Hikers On Grassy Trail With Rolling Foothills In The Background, Kananaskis Country, Alberta, Canada

Man Standing Under The Northern Lights, Near Keno, Yukon, Canada

Group Of Hikers Posing On A Log Bench With Valley Below And Mountains And Blue Sky In The Distance, Banff, Alberta, Canada

Two caucasian women walk barefoot across a creek with moss in it towards the other shore where a man is waiting for them on a sunny summer day in the Brooks Range, Marsh Fork Valley, Arctic National Wildlife Refuge; Alaska, United States of America

Female Hiker In The Fog Next To A Small Stream Wallfalls In A Grassy Area, Lanserbach, Austria

A backpacker hikes off-trail along the top of Stony Dome in Denali National Park in early summer; Alaska, United States of America

Man sitting in base camp tent, Everest, Khumbu glacier, Nepal, Everest, Khumbu glacier, Nepal

Female hiker atop Carbonate Mountain at prayer flags pole

Portrait of smiling woman with trekking poles, Whitefish, Montana, USA