Kenton Grua, a professional river guide, was the first person in recorded history to walk the entire length of the Grand Canyon, in 1977. He was inspired by Fletcher's book but set out to "do it right" by walking the canyon from end to end, not just the section inside the park.
Kenton Grua, a professional river guide, was the inaugural individual documented to walk the entire Grand Canyon from start to finish in 1977. He was influenced by Fletcher's book but sought to "do it right" by traversing the canyon entirely, not just within park boundaries.