Includes topographic maps covering - Oceanside Palm Springs Coachella Valley Salton Sea Temecula Yuma Joshua Tree National Park Anza-Borrego Desert State Park San Jacinto Wilderness Santa Rosa Wilderness Cleveland National Forest Imperial Sand Dunes Sawtooth Mountains Wilderness and more. GPS compatible waypoints and routes sync with your GPS unit. Maps can be exported and viewed on the Magellan Triton series of handhelds. PC-Mac compatible. System Requirements Windows 95 98 NT ME 2000 XP or Vista.