The Havasupai Trail is one of the most iconic backpacking trips in the United States—and arguably the world, taking you down into the Grand Canyon, past towering sandstone walls, big-horned sheep, and, of course, its famed turquoise waterfalls. But packing for this epic three night adventure can be a bit intimidating, especially if you’re new to backpacking—given the trail’s remoteness, you need to pack everything you need to sustain yourself while you’re on the trail, but don’t w...