man with backpack and trekking poles walking under huge boulder among mountain creek during makalu barun national park trek in

active activity adventure asia backpack backpacker beautiful boulder caucasian climber climbing clothing creek enjoying explorer freedom happy hike hiker hiking himalaya himalayas journey khumbu kothe landscape makalu barum barun man mera peak motion mountain mountaineering mountains national park nature nepal outdoor people river route solo travel stream tourist trek trekking poles valley