National Geographic's Trails Illustrated map is an essential travel companion for outdoor enthusiasts exploring this rugged area in the North Cascades of Washington. Expertly researched and created in partnership with the U.S. Forest Service and others, the map provides unparalleled detail of the wilderness area and parts of the Mt. Baker-Snoqualmie and Okanogan-Wenatchee National Forests. Also covered are the popular recreation areas Glacier Peak, Lake Chelan, Henry M. Jackson and Wild Sky Wilderness Areas, Skagit and Suiattle Wild and Scenic Rivers, Entiat Mountains, Pacific Crest Trail and Lake Wenatchee State Park.