For more than half a century, the Appalachian Mountain Club's Maine Mountain Guide has been hikers' and backpackers' quintessential resource for trails in Maine's spectacular mountains. This new edition has been thoroughly revised and updated, featuring 175 new trails, 50 new mountains, and 13 additional in-text maps, capturing Maine's booming trail building and expansion during the past five years. Fresh coverage of classics such as Baxter State Park and Acadia National Park now sits alongside more detailed descriptions of regions including the 100-Mile Wilderness and Moosehead Lake, Downeast, and Midcoast. More than 450 trails have been revised. Thorough trip-planning and safety information—along with full-color, GPS-rendered, pull-out maps featuring trail segment mileage—make this the trusted, comprehensive hiking guide to Maine.