National Geographic TOPO! Weekend Explorer 3D (San Diego Area, Anza-Borrego, Santa Rosa Mountains) Interactive, GPS-ready software helps you plan the ultimate weekend outdoor adventure in San Diego Area, Anza-Borrego, and the Santa Rosa Mountains Provides accurate, dependable information that will enhance your trip or excursion, including a true sense of the terrain before you head out Generate and print high-quality maps; include elevation profiles, select latitude/longitude or UTM grids Elevation profiling option lets you visualize elevation gain; intuitive navigation tools make it easy to see hidden valleys, or stand on top of a mountain and get a bird's eye view "Maps by Mail" feature lets you order large, high-resolution prints of your maps, and get them delivered to your door; search function locates trails, camps, and campgrounds, lakes and more