Some weeks Greg Witt hikes more miles than he drives, which means he wears out his boots faster than he wears out his tires. He has crossed the Grand Canyon on foot a dozen times, and as a guide in the Swiss Alps each summer, hikes more than 700 miles and gaines nearly 100,000 vertical feet of elevationthe equivalent of climbing Everest 9 times. Witt is a Fellow with the Royal Geographical Society. His other titles include 60 Hikes within 60 Miles: Salt Lake City and Ultimate Adventures: A Rough Guide to Adventure Travel. "Some weeks Greg Witt hikes more miles than he drives, which means he wears out his boots faster than he wears out his tires. He has crossed the Grand Canyon on foot a dozen times, and as a guide in the Swiss Alps each summer, hikes more than 700 miles and gaines nearly 100,000 vertical feet of elevationthe equivalent of climbing Everest 9 times. Witt is a Fellow with the Royal Geographical Society. His other titles include 60 Hikes within 60 Miles: Salt Lake City and Ultimate Adventures: A Rough Guide to Adventure Travel. "...more