- Waterproof - Tear-Resistant - Topographic Map Explore the magnificent alpine landscape of Mammoth Lakes, Mono Divide with National Geographic's Trails Illustrated map. Expertly researched and created in partnership with local land management agencies, this map features key points of interest including John Muir, Ansel Adams, and Dinkey Lakes wilderness areas; Devils Postpile National Monument; and the northern portion of Kings Canyon...