National Geographic's Trails Illustrated topographical maps, based on USGS information, are designed to take you into the wilderness and back. They show all trails, campsites, and recreational features, plus relevant information on wildlife history, geology, and archaeology.
The most comprehensive and complete recreational map for Yosemite National Park
Printed on waterproof, tear-resistant material with a plastic coating that offers supreme durability
Dimensions: 4 x 9 inches folded; 28 x 32 inches fully opened