Ron Adkison , an avid hiker and backpacker, began his outdoor explorations at age six. Since then he has logged more than 11,000 trail miles in ten western states. He has walked every trail in this guide multiple times to provide precise, firsthand information about the trails, as well as features of ecological and historical interest. When he's not on the trail, Ron and his wife, Nancy, live in the Rocky Mountains of Southwest Montana. With over 165 titles available for America's favorite outdoor destinations, National Geographic Maps' Trails Illustrated maps are the most trusted and popular recreation maps available. Continually setting the standard for accuracy, each map is crafted in conjunction with local land managers, and undergoes rigorous review and enhancement before being printed on waterproof, tear-resistant material. Each Trails Illustrated map contains detailed topographic information, clearly marked and named trails, recreational points of interest, and navigational aids.