Human footprints in the muddy Kalalau Trail, on the Na Pali coast of Kauai, Hawaii.

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Size: 4654px × 3648px
Photo credit: © Nicholas Floyd / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: adventure, arduous, difficult, endurance, footprints, giving, hiking, kalalau, messy, mud, muddy, na, outdoors, pali, perseverance, plodding, rugged, slippery, slogging, trail, trekking, trudging, wilderness