Although the hike into or out of the Grand Canyon is more challenging than most people envision, it sure does bring about a sense of accomplishment! If you are thinking about doing one of Grand Canyon Whitewater's Upper or Lower Canyon rafting trips, your FIRST question to yourself and to every person in the group should be whether you are in good enough shape to complete such a strenuous hike... IN THE ARIZONA HEAT ...and with a backpack on your back.

Photo: These passengers just completed a 9-mile uphill hike out of Grand Canyon gaining about a MILE of elevation along the way.