page 107 of 239 of The Devil’s Highway: A True Story

While probably not as bad as the Great Sand Dunes National Park, hiking in sand is a bitch. It’s hot, your legs hurt almost immediately climbing, and you really do slide back half a step for every step forward you take I can’t imagine doing it for 2-3 days – damn near wiped me out when I was in my late 20’s, healthy, and only was at it for a couple of hours.