Shaver Lake / Sierra National Forest, California (Trails Illustrated Map) (National Geographic Trails Illustrated Map) Amazon.com's Price: $11.95

Yosemite NW: Hetch Hetchy Reservoir (National Geographic Trails Illustrated Map) Amazon.com's Price: $9.48

Carson-Iceberg, Emigrant, and Mokelumne Wilderness Areas [Eldorado, Humboldt-Toiyabe, and Stanislaus National Forests] (National Geographic Trails Illustrated Map) Amazon.com's Price: $11.55

Big Sur, Ventana Wilderness [Los Padres National Forest] (National Geographic Trails Illustrated Map) Amazon.com's Price: $11.95

Camper's Guide to Northern California: Parks, Lakes, Forests, and Beaches (Camper's Guide to California Parks, Lakes, Forests, & Beache) Amazon.com's Price: $18.95